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ai501.3910110299805757E12ai501.3910110299805757E12 

unable to create Search filter fields in Salesforce

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Best Answer chosen by ai501.3910110299805757E12
Subramani_SFDCSubramani_SFDC
Could understand your question. can u explain wat u want exactly?? 


if u looking dynamic search means use this code.....IT DID FOR CONTACT...U MAKE SOME CHANGES FOR WHICH OBJECT U WANT......


public with sharing class ContactSearchController {

  // the soql without the order and limit
  private String soql {get;set;}
  // the collection of contacts to display
  public List<Contact> contacts {get;set;}

  // the current sort direction. defaults to asc
  public String sortDir {
    get  { if (sortDir == null) {  sortDir = 'asc'; } return sortDir;  }
    set;
  }

  // the current field to sort by. defaults to last name
  public String sortField {
    get  { if (sortField == null) {sortField = 'lastName'; } return sortField;  }
    set;
  }

  // format the soql for display on the visualforce page
  public String debugSoql {
    get { return soql + ' order by ' + sortField + ' ' + sortDir + ' limit 20'; }
    set;
  }

  // init the controller and display some sample data when the page loads
  public ContactSearchController() {
    soql = 'select firstname, lastname, account.name, interested_technologies__c from contact where account.name != null';
    runQuery();
  }

  // toggles the sorting of query from asc<-->desc
  public void toggleSort() {
    // simply toggle the direction
    sortDir = sortDir.equals('asc') ? 'desc' : 'asc';
    // run the query again
    runQuery();
  }

  // runs the actual query
  public void runQuery() {

    try {
      contacts = Database.query(soql + ' order by ' + sortField + ' ' + sortDir + ' limit 20');
    } catch (Exception e) {
      ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Ooops!'));
    }

  }

  // runs the search with parameters passed via Javascript
  public PageReference runSearch() {

    String firstName = Apexpages.currentPage().getParameters().get('firstname');
    String lastName = Apexpages.currentPage().getParameters().get('lastname');
    String accountName = Apexpages.currentPage().getParameters().get('accountName');
    String technology = Apexpages.currentPage().getParameters().get('technology');

    soql = 'select firstname, lastname, account.name, interested_technologies__c from contact where account.name != null';
    if (!firstName.equals(''))
      soql += ' and firstname LIKE \''+String.escapeSingleQuotes(firstName)+'%\'';
    if (!lastName.equals(''))
      soql += ' and lastname LIKE \''+String.escapeSingleQuotes(lastName)+'%\'';
    if (!accountName.equals(''))
      soql += ' and account.name LIKE \''+String.escapeSingleQuotes(accountName)+'%\''; 
    if (!technology.equals(''))
      soql += ' and interested_technologies__c includes (\''+technology+'\')';

    // run the query again
    runQuery();

    return null;
  }

  // use apex describe to build the picklist values
  public List<String> technologies {
    get {
      if (technologies == null) {

        technologies = new List<String>();
        Schema.DescribeFieldResult field = Contact.interested_technologies__c.getDescribe();

        for (Schema.PicklistEntry f : field.getPicklistValues())
          technologies.add(f.getLabel());

      }
      return technologies;         
    }
    set;
  }

}



VF PAGE


<apex:page controller="ContactSearchController" sidebar="false">

  <apex:form >
  <apex:pageMessages id="errors" />

  <apex:pageBlock title="Find Me A Customer!" mode="edit">

  <table width="100%" border="0">
  <tr> 
    <td width="200" valign="top">

      <apex:pageBlock title="Parameters" mode="edit" id="criteria">

      <script type="text/javascript">
      function doSearch() {
        searchServer(
          document.getElementById("firstName").value,
          document.getElementById("lastName").value,
          document.getElementById("accountName").value,
          document.getElementById("technology").options[document.getElementById("technology").selectedIndex].value
          );
      }
      </script>

      <apex:actionFunction name="searchServer" action="{!runSearch}" rerender="results,debug,errors">
          <apex:param name="firstName" value="" />
          <apex:param name="lastName" value="" />
          <apex:param name="accountName" value="" />
          <apex:param name="technology" value="" />
      </apex:actionFunction>

      <table cellpadding="2" cellspacing="2">
      <tr>
        <td style="font-weight:bold;">First Name<br/>
        <input type="text" id="firstName" onkeyup="doSearch();"/>
        </td>
      </tr>
      <tr>
        <td style="font-weight:bold;">Last Name<br/>
        <input type="text" id="lastName" onkeyup="doSearch();"/>
        </td>
      </tr>
      <tr>
        <td style="font-weight:bold;">Account<br/>
        <input type="text" id="accountName" onkeyup="doSearch();"/>
        </td>
      </tr>
      <tr>
        <td style="font-weight:bold;">Interested Technologies<br/>
          <select id="technology" onchange="doSearch();">
            <option value=""></option>
            <apex:repeat value="{!technologies}" var="tech">
              <option value="{!tech}">{!tech}</option>
            </apex:repeat>
          </select>
        </td>
      </tr>
      </table>

      </apex:pageBlock>

    </td>
    <td valign="top">

    <apex:pageBlock mode="edit" id="results">

        <apex:pageBlockTable value="{!contacts}" var="contact">

            <apex:column >
                <apex:facet name="header">
                    <apex:commandLink value="First Name" action="{!toggleSort}" rerender="results,debug">
                        <apex:param name="sortField" value="firstName" assignTo="{!sortField}"/>
                    </apex:commandLink>
                </apex:facet>
                <apex:outputField value="{!contact.firstName}"/>
            </apex:column>

            <apex:column >
                <apex:facet name="header">
                    <apex:commandLink value="Last Name" action="{!toggleSort}" rerender="results,debug">
                        <apex:param name="sortField" value="lastName" assignTo="{!sortField}"/>
                    </apex:commandLink>
                </apex:facet>
                <apex:outputField value="{!contact.lastName}"/>
            </apex:column>

            <apex:column >
                <apex:facet name="header">
                    <apex:commandLink value="Account" action="{!toggleSort}" rerender="results,debug">
                        <apex:param name="sortField" value="account.name" assignTo="{!sortField}"/>
                    </apex:commandLink>
                </apex:facet>
                <apex:outputField value="{!contact.account.name}"/>
            </apex:column>

            <apex:column >
                <apex:facet name="header">
                    <apex:commandLink value="Technologies" action="{!toggleSort}" rerender="results,debug">
                        <apex:param name="sortField" value="interested_technologies__c" assignTo="{!sortField}"/>
                    </apex:commandLink>
                </apex:facet>
                <apex:outputField value="{!contact.Interested_Technologies__c}"/>
            </apex:column>

        </apex:pageBlockTable>

    </apex:pageBlock>

    </td>
  </tr>
  </table>

  <apex:pageBlock title="Debug - SOQL" id="debug">
      <apex:outputText value="{!debugSoql}" />          
  </apex:pageBlock>   

  </apex:pageBlock>

  </apex:form>

</apex:page>


FOR REF : http://blog.jeffdouglas.com/2010/07/13/building-a-dynamic-search-page-in-visualforce/.



Thanks
Subramani.j
TRINAY TECHNOLOGY SOLUTIONS