• Rajesh Kumar Maharana
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I want to display the data of a .csv file in a tabular form using LWC.(Below is the image for the reference.)User-added image
Requirement: Whenever I upload a csv file, the data in the csv file should show in a tabular form(like above image.) in LWC.

Problem: Whenever I try to show the data in a <table>. The value is not showing in the <thead> &<tbody> (i.e. html). If I print the values of columnHeader and rows in the console, it gets displayed. 
As I am not able to find where is the problem?
(If there is any doubt in understanding, please mention here.)
Below is the code.
<!-- html file -->
<template>
  <lightning-card>
    <h3>
      <lightning-icon icon-name="utility:database" size="small"></lightning-icon>  CSV Dataloader
      <button class="slds-button slds-button_destructive" style="margin-right:0; margin-left:auto; display:block;">
        Clean Data
      </button>
    </h3>
    <lightning-input type="file" name="file" label="Attachment" accept=".csv" onchange={handleUploadFinished}>
    </lightning-input>

    <template if:true={showTable}>
      <table>
        <thead>
          <tr>
            <template for:each={csvString} for:item="head">
              <th key={head.column_name}>
                {head.column_name}
              </th>
            </template>
          </tr>
        </thead>
        <tbody>
          <template for:each={lines} for:item="row">
            <tr key={row}>
              <!--<template for:each={row} for:item="rowData">-->
                <td key={row}>{row}</td>
              <!--</template>-->
            </tr>
          </template>
        </tbody>
      </table>
    </template>
  </lightning-card>
</template>
=================================

// Javascript File

import { LightningElement, track, wire } from 'lwc';
import getCSVObject from '@salesforce/apex/CSVCreator.getCSVObject';

export default class CustomCSVDataloaderInLWC extends LightningElement {
  
    @track colHeader = [];
    @track showTable = false;
    @track csvString;
    @track st;
    @track csvFile;
    @track lines;
    
    handleUploadFinished(event) {
        
        const uploadedFiles = event.detail.files;
        const file = uploadedFiles[0];
        console.log("file : " + file);

        if (file) {
            this.showTable = true; //show the table
            console.log("this.showTable : " + this.showTable);
            let reader = new FileReader();
            reader.readAsText(file, "UTF-8");
            reader.onload = function (evt) {
                const csv = evt.target.result;
                console.log('csv : ' + csv);
                this.csvFile = csv;

                getCSVObject({
                    csv_str: csv
                })
                    .then(response => {
                        console.log("response : " + JSON.stringify(response));
                        this.csvString =JSON.stringify([...response.headers]);
                        console.log('this.csvString : '+this.csvString);
                       
                        this.lines = [...response.lines];
                        console.log('this.lines : '+JSON.stringify(this.lines));
                     
                        
                        let temp = response.headers;
                        let col_head;
                        this.colHeader = [];
                        temp.forEach(element => {

                            col_head = element.column_name;//JSON.stringify(element.column_name);
                            console.log("col_head : " + col_head);
                            this.colHeader = [...this.colHeader,col_head];                         
                        });
                        console.log("this.colHeader : " + this.colHeader);

                    }).catch(error => {
                        console.log("error2 ==> " + error);
                        console.log("error ==> " + error.body.message);
                    });

            };
        }
    }
}
Below is the console.log output of chrome in browser.
console window
I have created custom multipicklist jQuery. In the multipicklist I have shown the contact names. Whenever I select the contact names, it is showing contact names in the label. It is also counting no.of contacts I have selected.
Activity Objective==> Wherever you see Activity Objective in the VFP, I have added the codes for the multi-picklist.
ISSUE: whenever I select the contact names (either 1 or more than 1) from the multi-picklist and click on save. It will save the record, but in the name field in the Task object will be blank. If I have selected 1 0r more than 1 contact names, it will create single record in the Task object and the name field will be blank.
REQUIREMENT: Now I want that, how many contact names I have selected from the multi-picklist. That many records will be created in the Task Object.
Already in the controller, record creation code is written. It is checking the contact name isChecked=true, then it will create the record.
In my code, it is taking isChecked=false. So it is not able to creat
<apex:page standardController="Task" id="thePageId" extensions="NewTaskCtrl" tabStyle="Task" action="{!loadNewTask}">
    <apex:outPutPanel id="myMSG">
        <apex:pageMessages id="msg" />
    </apex:outPutPanel>  
    <apex:slds />
    <apex:form id="newTaskPage">
             <!-- CDN links for the multiple picklist  -->
                <meta charset="utf-8" />
                <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
                <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
                <link href="https://www.jqueryscript.net/css/jquerysctipttop.css?v3" rel="stylesheet" type="text/css" />
                <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"/>
                <script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>                
                <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
                <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
                <script src="https://cdn.jsdelivr.net/npm/@dashboardcode/bsmultiselect@0.5.40/dist/js/BsMultiSelect.min.js"></script>              
                <!-- / Activity Objective - New picklist code-->

                <apex:actionFunction action="{!filterFields}" name="filterFields" reRender="myMSG,taskInfo" >
                    <apex:param value="" name="tType" />
                </apex:actionFunction>
                <apex:sectionHeader title="Task" subtitle="New Task"/>
                <apex:inputHidden value="{!inputValue}" id="theHiddenInput"/>
                <div class="slds-card">
                    <div class="slds-card__header slds-grid slds-border_bottom slds-p-bottom_small" style="background-color: #fafaf9;">
                        <div class="slds-media slds-media_center slds-has-flexi-truncate">
                            <div class="slds-media__body">
                                <h2 class="slds-card__header-title slds-text-heading_small">
                                    Task Edit
                                </h2>
                            </div>
                            <div class="slds-no-flex">
                                <apex:commandButton action="{!performSave}" title="Save" value="Save" styleClass="slds-button slds-button_brand"/>
                                <apex:commandButton action="{!cancel}" title="Cancel" value="Cancel" styleClass="slds-button slds-button_neutral"/>
                            </div>
                        </div>
                    </div>
                    <div class="slds-card__body slds-p-horizontal_small">
                        <div class="slds-m-bottom_small slds-p-around_xx-small" style="background-color: #fafaf9;"><strong>Related To</strong></div> 
                        <div class="slds-form slds-form_horizontal">
                            <div>
                                <div style="max-width: 600px;">
                                    <apex:outputPanel styleClass="relatedToSection">
                                        <div class="slds-form-element">
                                            <apex:outputLabel value="Account" styleClass="slds-form-element__label"/>
                                            <div class="slds-form-element__control slds-m-top_xxx-small">
                                                <apex:outputField value="{!taskObjectParent.WhatId}" title="This will contain Related Account" label="Account" />
                                            </div>
                                        </div>

                                        <apex:pageBlock id="OfficeContactList">
                                            <!--  rendered="{!IF((taskObjectParent.Id = null),true,false)}"  -->
                                            <apex:outputPanel style="display:none" styleclass="taskContactMultiList">


                                                <div class="slds-form-element">
                                                    <apex:outputLabel value="Select Contact to create task" styleClass="slds-form-element__label" id="con12"/>
                                                    <div class="slds-form-element__control"  style="padding-right: 82px;">
                                                        <!-- Activity Objective  -->
                                                        <!-- Show the multiple picklist values and binding-->
                                                        <div class="container">
                                                            <select name="contactNames" id="example" class="form-control" multiple="multiple" onChange="countSelectedCheckbox()">
                                                                <apex:repeat value="{!avaiableContactlList}" var="con" id="conTable">
                                                                    <option value="{!con.isChecked}" id="opt">{!con.Name}</option> <!---value is changed -->
                                                                </apex:repeat>
                                                            </select>    
                                                        </div>
                                                        <!-- / Activity Objective -->

                                                        Total Number of Selected record :<span style="font-weight:bold" id="selContactSize">0</span>
                                                    </div>
                                                </div>

                                            </apex:outputPanel>

                                        </apex:pageBlock>     

                                    <div class="slds-form-element">
                                        <apex:outputLabel value="Topics Discussed" styleClass="slds-form-element__label"/>
                                        <apex:outputPanel id="refreshing">
                                            <div class="slds-form-element__control"  style="padding-right: 82px;">
                                                <div class="slds-scrollable_y slds-m-top_x-small slds-m-bottom_small slds-p-around_x-small" style="max-height: 90px; border: 1px solid #dddbda; border-radius: .25rem;">
                                                    <table>

                                                        <apex:repeat value="{!avaiableTopicList}" var="topic">
                                                            <tr>
                                                                <td width="20" class="slds-p-bottom_x-small">
                                                                    <span class="slds-checkbox slds-checkbox_standalone">
                                                                        <apex:inputCheckbox value="{!topic.isChecked}" onclick="selectAllCheckboxes('topicCheckBoxId')"  id="topicCheckBoxId"/>
                                                                        <span class="slds-checkbox_faux"></span>
                                                                    </span>
                                                                </td>
                                                                <td class="slds-p-bottom_x-small">
                                                                    <label>
                                                                        {!topic.Name}
                                                                    </label>
                                                                </td>
                                                            </tr>
                                                        </apex:repeat> 
                                                    </table>

                                                </div>
                                                Total Number of Selected record :<span style="font-weight:bold" id="selTopicSize">{!totalAvaiableTopic}</span> 
                                            </div>
                                        </apex:outputPanel>
                                    </div>

                                </div>
                            </div>


                        </div> 

                    </div>
                    <div class="slds-card__footer slds-text-align_right">
                        <apex:commandButton action="{!performSave}" title="Save" value="Save" styleClass="slds-button slds-button_brand"/>
                        <apex:commandButton action="{!cancel}" title="Cancel" value="Cancel" styleClass="slds-button slds-button_neutral"/>  
                    </div>
                </div>
                <script>
                function setFocusOnLoad() {}

                function toggleComponent(taskType,componentToToggle,taskId){
                    console.log('taskId : '+taskId);
                    //filterFields();
                    if(taskId == 'NULL' || taskId == ''){
                        var contactComponent = document.getElementsByClassName(componentToToggle)[0];
                        var selectedValue = taskType.value;
                        console.log(componentToToggle);
                        if(selectedValue == 'Physician-to-Physician Visit' || selectedValue == 'Sports Medicine' ){
                            contactComponent.style.display ='block';

                        }else{
                            contactComponent.style.display ='none';
                        }
                    }else{
                        var contactComponent = document.getElementsByClassName(componentToToggle)[0];
                        var selectedValue = taskType.value;
                        console.log(componentToToggle);
                        var oldTaskType =  String(document.getElementById('thePageId:newTaskPage:theHiddenInput').value);

                        if((oldTaskType != 'Physician-to-Physician Visit' && selectedValue == 'Physician-to-Physician Visit') || (oldTaskType != 'Sports Medicine' && selectedValue == 'Sports Medicine')){
                            contactComponent.style.display ='block';

                        }else{ 
                            contactComponent.style.display ='none';
                        }
                    }
                    //alert(taskType.value);
                    filterFields(taskType.value);
                }

                function selectAllCheckboxes(receivedInputID){
                    var inputCheckBox = document.getElementsByTagName("input");
                    var totalCount = 0;
                    for(var i=0; i<inputCheckBox.length; i++){
                        if(inputCheckBox[i].id.indexOf(receivedInputID)!=-1){
                            if(inputCheckBox[i].checked == true){
                                //alert("inputCheckBox[i].checked==>>"+inputCheckBox[i].checked);
                                totalCount = totalCount + 1;
                            }
                        }
                    }

                    //console.log('====>' + totalCount);
                    if(receivedInputID=='contactCheckBoxId'){
                        document.getElementById('selContactSize').innerHTML = totalCount;
                    }else if(receivedInputID=='goalCheckBoxId'){
                        document.getElementById('setGoalsLength').innerHTML = totalCount;
                    }else if(receivedInputID=='topicCheckBoxId'){
                        document.getElementById('selTopicSize').innerHTML = totalCount;
                    }

                }


                // Js file to show the multiple picklist.
                $("select[multiple='multiple']").bsMultiSelect();

                // code to calculate the count of selected picklist values
                **function countSelectedCheckbox(){
                    var totalCount = $("select#example>option:selected").length;
                    document.getElementById('selContactSize').innerHTML = totalCount;
                    }
                </script>
    </apex:form>
</apex:page>

e the record. Due to limitation, not able to upload whole code.
I want to display the data of a .csv file in a tabular form using LWC.(Below is the image for the reference.)User-added image
Requirement: Whenever I upload a csv file, the data in the csv file should show in a tabular form(like above image.) in LWC.

Problem: Whenever I try to show the data in a <table>. The value is not showing in the <thead> &<tbody> (i.e. html). If I print the values of columnHeader and rows in the console, it gets displayed. 
As I am not able to find where is the problem?
(If there is any doubt in understanding, please mention here.)
Below is the code.
<!-- html file -->
<template>
  <lightning-card>
    <h3>
      <lightning-icon icon-name="utility:database" size="small"></lightning-icon>  CSV Dataloader
      <button class="slds-button slds-button_destructive" style="margin-right:0; margin-left:auto; display:block;">
        Clean Data
      </button>
    </h3>
    <lightning-input type="file" name="file" label="Attachment" accept=".csv" onchange={handleUploadFinished}>
    </lightning-input>

    <template if:true={showTable}>
      <table>
        <thead>
          <tr>
            <template for:each={csvString} for:item="head">
              <th key={head.column_name}>
                {head.column_name}
              </th>
            </template>
          </tr>
        </thead>
        <tbody>
          <template for:each={lines} for:item="row">
            <tr key={row}>
              <!--<template for:each={row} for:item="rowData">-->
                <td key={row}>{row}</td>
              <!--</template>-->
            </tr>
          </template>
        </tbody>
      </table>
    </template>
  </lightning-card>
</template>
=================================

// Javascript File

import { LightningElement, track, wire } from 'lwc';
import getCSVObject from '@salesforce/apex/CSVCreator.getCSVObject';

export default class CustomCSVDataloaderInLWC extends LightningElement {
  
    @track colHeader = [];
    @track showTable = false;
    @track csvString;
    @track st;
    @track csvFile;
    @track lines;
    
    handleUploadFinished(event) {
        
        const uploadedFiles = event.detail.files;
        const file = uploadedFiles[0];
        console.log("file : " + file);

        if (file) {
            this.showTable = true; //show the table
            console.log("this.showTable : " + this.showTable);
            let reader = new FileReader();
            reader.readAsText(file, "UTF-8");
            reader.onload = function (evt) {
                const csv = evt.target.result;
                console.log('csv : ' + csv);
                this.csvFile = csv;

                getCSVObject({
                    csv_str: csv
                })
                    .then(response => {
                        console.log("response : " + JSON.stringify(response));
                        this.csvString =JSON.stringify([...response.headers]);
                        console.log('this.csvString : '+this.csvString);
                       
                        this.lines = [...response.lines];
                        console.log('this.lines : '+JSON.stringify(this.lines));
                     
                        
                        let temp = response.headers;
                        let col_head;
                        this.colHeader = [];
                        temp.forEach(element => {

                            col_head = element.column_name;//JSON.stringify(element.column_name);
                            console.log("col_head : " + col_head);
                            this.colHeader = [...this.colHeader,col_head];                         
                        });
                        console.log("this.colHeader : " + this.colHeader);

                    }).catch(error => {
                        console.log("error2 ==> " + error);
                        console.log("error ==> " + error.body.message);
                    });

            };
        }
    }
}
Below is the console.log output of chrome in browser.
console window
I have created custom multipicklist jQuery. In the multipicklist I have shown the contact names. Whenever I select the contact names, it is showing contact names in the label. It is also counting no.of contacts I have selected.
Activity Objective==> Wherever you see Activity Objective in the VFP, I have added the codes for the multi-picklist.
ISSUE: whenever I select the contact names (either 1 or more than 1) from the multi-picklist and click on save. It will save the record, but in the name field in the Task object will be blank. If I have selected 1 0r more than 1 contact names, it will create single record in the Task object and the name field will be blank.
REQUIREMENT: Now I want that, how many contact names I have selected from the multi-picklist. That many records will be created in the Task Object.
Already in the controller, record creation code is written. It is checking the contact name isChecked=true, then it will create the record.
In my code, it is taking isChecked=false. So it is not able to creat
<apex:page standardController="Task" id="thePageId" extensions="NewTaskCtrl" tabStyle="Task" action="{!loadNewTask}">
    <apex:outPutPanel id="myMSG">
        <apex:pageMessages id="msg" />
    </apex:outPutPanel>  
    <apex:slds />
    <apex:form id="newTaskPage">
             <!-- CDN links for the multiple picklist  -->
                <meta charset="utf-8" />
                <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
                <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
                <link href="https://www.jqueryscript.net/css/jquerysctipttop.css?v3" rel="stylesheet" type="text/css" />
                <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"/>
                <script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>                
                <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
                <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
                <script src="https://cdn.jsdelivr.net/npm/@dashboardcode/bsmultiselect@0.5.40/dist/js/BsMultiSelect.min.js"></script>              
                <!-- / Activity Objective - New picklist code-->

                <apex:actionFunction action="{!filterFields}" name="filterFields" reRender="myMSG,taskInfo" >
                    <apex:param value="" name="tType" />
                </apex:actionFunction>
                <apex:sectionHeader title="Task" subtitle="New Task"/>
                <apex:inputHidden value="{!inputValue}" id="theHiddenInput"/>
                <div class="slds-card">
                    <div class="slds-card__header slds-grid slds-border_bottom slds-p-bottom_small" style="background-color: #fafaf9;">
                        <div class="slds-media slds-media_center slds-has-flexi-truncate">
                            <div class="slds-media__body">
                                <h2 class="slds-card__header-title slds-text-heading_small">
                                    Task Edit
                                </h2>
                            </div>
                            <div class="slds-no-flex">
                                <apex:commandButton action="{!performSave}" title="Save" value="Save" styleClass="slds-button slds-button_brand"/>
                                <apex:commandButton action="{!cancel}" title="Cancel" value="Cancel" styleClass="slds-button slds-button_neutral"/>
                            </div>
                        </div>
                    </div>
                    <div class="slds-card__body slds-p-horizontal_small">
                        <div class="slds-m-bottom_small slds-p-around_xx-small" style="background-color: #fafaf9;"><strong>Related To</strong></div> 
                        <div class="slds-form slds-form_horizontal">
                            <div>
                                <div style="max-width: 600px;">
                                    <apex:outputPanel styleClass="relatedToSection">
                                        <div class="slds-form-element">
                                            <apex:outputLabel value="Account" styleClass="slds-form-element__label"/>
                                            <div class="slds-form-element__control slds-m-top_xxx-small">
                                                <apex:outputField value="{!taskObjectParent.WhatId}" title="This will contain Related Account" label="Account" />
                                            </div>
                                        </div>

                                        <apex:pageBlock id="OfficeContactList">
                                            <!--  rendered="{!IF((taskObjectParent.Id = null),true,false)}"  -->
                                            <apex:outputPanel style="display:none" styleclass="taskContactMultiList">


                                                <div class="slds-form-element">
                                                    <apex:outputLabel value="Select Contact to create task" styleClass="slds-form-element__label" id="con12"/>
                                                    <div class="slds-form-element__control"  style="padding-right: 82px;">
                                                        <!-- Activity Objective  -->
                                                        <!-- Show the multiple picklist values and binding-->
                                                        <div class="container">
                                                            <select name="contactNames" id="example" class="form-control" multiple="multiple" onChange="countSelectedCheckbox()">
                                                                <apex:repeat value="{!avaiableContactlList}" var="con" id="conTable">
                                                                    <option value="{!con.isChecked}" id="opt">{!con.Name}</option> <!---value is changed -->
                                                                </apex:repeat>
                                                            </select>    
                                                        </div>
                                                        <!-- / Activity Objective -->

                                                        Total Number of Selected record :<span style="font-weight:bold" id="selContactSize">0</span>
                                                    </div>
                                                </div>

                                            </apex:outputPanel>

                                        </apex:pageBlock>     

                                    <div class="slds-form-element">
                                        <apex:outputLabel value="Topics Discussed" styleClass="slds-form-element__label"/>
                                        <apex:outputPanel id="refreshing">
                                            <div class="slds-form-element__control"  style="padding-right: 82px;">
                                                <div class="slds-scrollable_y slds-m-top_x-small slds-m-bottom_small slds-p-around_x-small" style="max-height: 90px; border: 1px solid #dddbda; border-radius: .25rem;">
                                                    <table>

                                                        <apex:repeat value="{!avaiableTopicList}" var="topic">
                                                            <tr>
                                                                <td width="20" class="slds-p-bottom_x-small">
                                                                    <span class="slds-checkbox slds-checkbox_standalone">
                                                                        <apex:inputCheckbox value="{!topic.isChecked}" onclick="selectAllCheckboxes('topicCheckBoxId')"  id="topicCheckBoxId"/>
                                                                        <span class="slds-checkbox_faux"></span>
                                                                    </span>
                                                                </td>
                                                                <td class="slds-p-bottom_x-small">
                                                                    <label>
                                                                        {!topic.Name}
                                                                    </label>
                                                                </td>
                                                            </tr>
                                                        </apex:repeat> 
                                                    </table>

                                                </div>
                                                Total Number of Selected record :<span style="font-weight:bold" id="selTopicSize">{!totalAvaiableTopic}</span> 
                                            </div>
                                        </apex:outputPanel>
                                    </div>

                                </div>
                            </div>


                        </div> 

                    </div>
                    <div class="slds-card__footer slds-text-align_right">
                        <apex:commandButton action="{!performSave}" title="Save" value="Save" styleClass="slds-button slds-button_brand"/>
                        <apex:commandButton action="{!cancel}" title="Cancel" value="Cancel" styleClass="slds-button slds-button_neutral"/>  
                    </div>
                </div>
                <script>
                function setFocusOnLoad() {}

                function toggleComponent(taskType,componentToToggle,taskId){
                    console.log('taskId : '+taskId);
                    //filterFields();
                    if(taskId == 'NULL' || taskId == ''){
                        var contactComponent = document.getElementsByClassName(componentToToggle)[0];
                        var selectedValue = taskType.value;
                        console.log(componentToToggle);
                        if(selectedValue == 'Physician-to-Physician Visit' || selectedValue == 'Sports Medicine' ){
                            contactComponent.style.display ='block';

                        }else{
                            contactComponent.style.display ='none';
                        }
                    }else{
                        var contactComponent = document.getElementsByClassName(componentToToggle)[0];
                        var selectedValue = taskType.value;
                        console.log(componentToToggle);
                        var oldTaskType =  String(document.getElementById('thePageId:newTaskPage:theHiddenInput').value);

                        if((oldTaskType != 'Physician-to-Physician Visit' && selectedValue == 'Physician-to-Physician Visit') || (oldTaskType != 'Sports Medicine' && selectedValue == 'Sports Medicine')){
                            contactComponent.style.display ='block';

                        }else{ 
                            contactComponent.style.display ='none';
                        }
                    }
                    //alert(taskType.value);
                    filterFields(taskType.value);
                }

                function selectAllCheckboxes(receivedInputID){
                    var inputCheckBox = document.getElementsByTagName("input");
                    var totalCount = 0;
                    for(var i=0; i<inputCheckBox.length; i++){
                        if(inputCheckBox[i].id.indexOf(receivedInputID)!=-1){
                            if(inputCheckBox[i].checked == true){
                                //alert("inputCheckBox[i].checked==>>"+inputCheckBox[i].checked);
                                totalCount = totalCount + 1;
                            }
                        }
                    }

                    //console.log('====>' + totalCount);
                    if(receivedInputID=='contactCheckBoxId'){
                        document.getElementById('selContactSize').innerHTML = totalCount;
                    }else if(receivedInputID=='goalCheckBoxId'){
                        document.getElementById('setGoalsLength').innerHTML = totalCount;
                    }else if(receivedInputID=='topicCheckBoxId'){
                        document.getElementById('selTopicSize').innerHTML = totalCount;
                    }

                }


                // Js file to show the multiple picklist.
                $("select[multiple='multiple']").bsMultiSelect();

                // code to calculate the count of selected picklist values
                **function countSelectedCheckbox(){
                    var totalCount = $("select#example>option:selected").length;
                    document.getElementById('selContactSize').innerHTML = totalCount;
                    }
                </script>
    </apex:form>
</apex:page>

e the record. Due to limitation, not able to upload whole code.

Hi guys.

 

I have batch calss name:Del_leads

and a Schedule Class bulkdelleads.

 

When i am writing test method for batch class it is not covering the execute method i am calling this execute from schedule class.Can any body help to figure out the problem.

 

Batch Class:-

=====================

global class Del_leads implements Database.Batchable<sobject>
{

public String query;
public date d=System.today();
public integer i=7;
Public Date z=d-i;
Public String s;
public integer j;
Public string k='Name'+','+'Company'+','+'phone'+','+'Email';

global Database.QueryLocator start(Database.BatchableContext BC){
system.debug(query);
return Database.getQueryLocator(query);

}

global void execute(Database.BatchableContext BC,List<Lead> Lds){
for( j=0;j<lds.size();j++){
if(j==0){
s +=k+'\n'+ lds[j].Name+','+lds[j].Company+','+lds[j].phone+','+lds[j].Email;
} else{
s +=+'\n'+ lds[j].Name+','+lds[j].Company+','+lds[j].phone+','+lds[j].Email;
}
}

Blob b=Blob.valueOf(s);
Messaging.EmailFileAttachment efa = new Messaging.EmailFileAttachment();
efa.setFileName('attachment.csv');
efa.setBody(b);

Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
mail.setToAddresses(new String[] {'franktoanil@gmail.com'});
mail.setSenderDisplayName('Batch Processing');
mail.setSubject('Batch Process Completed');
mail.setPlainTextBody('Please find the attachment of deleted records');
mail.setFileAttachments(new Messaging.EmailFileAttachment[] {efa});
Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mail });
delete Lds;
}

global void finish(Database.BatchableContext BC){
System.debug(LoggingLevel.WARN,'Deleting Leads Finished');
}

=====================================================
/*-----------------Test Method-----------------Only 47 % test coverage*/

=====================================================
public static testMethod void Del_leads (){
List <Lead> lds = new List<Lead>();
for(integer i = 0; i<200; i++){
Lead l = new Lead(LastName='Anil',Company='ef');
lds.add(l);
}
insert lds;

test.startTest();
Del_leads dl = new Del_Leads();
dl.query='select id,Name,Company,Phone,Email from lead where createddate<=:z and date_opened__c=null ';
ID batchprocessid = Database.executeBatch(dl);
test.stoptest();
System.AssertEquals(
database.countquery('SELECT COUNT()'+' FROM Lead '),200);
}
}

============================

Schedule Class

============================

global class bulkdelleads Implements Schedulable{
public static String CRON_EXP = '0 0 0 3 9 ? 2022';
global void Execute(SchedulableContext SC){

Del_leads ld=new Del_leads();
ld.query='select id,Name,Company,Phone,Email from lead where createddate<=:z and date_opened__c=null ';
database.executebatch(ld);

}

==================================

/*----------Test Method------------------ 100% test Coverage-*/

==================================
static testmethod void bulkdelleads () {
Test.startTest();

Lead l = new Lead ();
l.LastName = 'Raghu ';
l.company='eg';
insert l;

// Schedule the test job

String jobId = System.schedule('bulkdelleads ',bulkdelleads.CRON_EXP,new bulkdelleads ());
// Get the information from the CronTrigger API object

CronTrigger ct = [SELECT Id, CronExpression, TimesTriggered,
NextFireTime
FROM CronTrigger WHERE id = :jobId];

// Verify the expressions are the same

System.assertEquals(bulkdelleads.CRON_EXP,ct.CronExpression);

// Verify the job has not run

System.assertEquals(0, ct.TimesTriggered);

// Verify the next time the job will run

System.assertEquals('2022-09-03 00:00:00',
String.valueOf(ct.NextFireTime));

Test.stopTest(); 

}

}

 

Thanks

Anil.B