How to resolve 
Select Id ,name,(Select Product_dashcode__c from IX_V1__PP_Relationships__r)from IX_V1__ICIX_Product__c
                                                             Where Name 
                                                             LIKE:newSearchText 
                                                             OR Product_dashcode__c=:productName 

It showing 


                           OR Product_dashcode__c=:productName
                              ^
ERROR at Row:5:Column:65
No such column 'Product_dashcode__c' on entity 'IX_V1__ICIX_Product__c'. If you are attempting to use a custom field, be sure to append the '__c' after the custom field name. Please reference your WSDL or the describe call for the appropriate names.

How to use ng-show ,ng-hide ,ng-click in Apex: command Button or Action Function is it possible ?

Generaly we use spinner like this 
<apex:CommandButton status ="loadingStatus" styleClass="slds-button slds-button_outline-brand" value="Report Missing Document" action="{!reportPopupOpen}" reRender="reportPopup"/>


<apex:actionStatus id="loadingStatus">
<apex:facet name="stop">
    <apex:outputPanel >
    </apex:outputPanel>
</apex:facet>
<apex:facet name="start">
    <apex:outputPanel >
        <div role="status" class="slds-spinner slds-spinner_medium slds-spinner_brand">
            <span class="slds-assistive-text">Loading</span>
            <div class="slds-spinner__dot-a"></div>
            <div class="slds-spinner__dot-b"></div>
        </div>                                                  
    </apex:outputPanel>
</apex:facet>


How to use spinner with button why i need this is im using angular js function on button im not able to do spinner for that
                           <button id="buttonClr" status="loadingStatus" class="slds-button slds-button_brand" ng-show="myForm.myInput.$valid"    ng-click="vm.searchs(result, event); "><b>Search</b></button> 
 

I want to call ng-click function in Apex:CommandButton in visualforce . 

How to use ng-show ,ng-hide ,ng-click in Apex: command Button or Action Function is it possible ?

Generaly we use spinner like this 
<apex:CommandButton status ="loadingStatus" styleClass="slds-button slds-button_outline-brand" value="Report Missing Document" action="{!reportPopupOpen}" reRender="reportPopup"/>


<apex:actionStatus id="loadingStatus">
<apex:facet name="stop">
    <apex:outputPanel >
    </apex:outputPanel>
</apex:facet>
<apex:facet name="start">
    <apex:outputPanel >
        <div role="status" class="slds-spinner slds-spinner_medium slds-spinner_brand">
            <span class="slds-assistive-text">Loading</span>
            <div class="slds-spinner__dot-a"></div>
            <div class="slds-spinner__dot-b"></div>
        </div>                                                  
    </apex:outputPanel>
</apex:facet>


How to use spinner with button why i need this is im using angular js function on button im not able to do spinner for that
                           <button id="buttonClr" status="loadingStatus" class="slds-button slds-button_brand" ng-show="myForm.myInput.$valid"    ng-click="vm.searchs(result, event); "><b>Search</b></button>