<apex:page sidebar="false"  standardController="Business_Status_Report__c" extensions="BSRData"  tabStyle="Business_Status_Report__c">
<script>
 function setFocusOnLoad() {}
</script>
   <apex:form >
   <apex:outputText >From Date :</apex:outputText>
 
   <apex:inputField value="{!bsrObj1.Date__c}"/>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   
   <apex:outputText >To Date :</apex:outputText>
   <apex:inputField value="{!bsrObj2.Date__c}"/>
    <br/><br/>
   <apex:commandButton value="Generate Report" action="{!getData}"/><br/> <br/>

    <apex:pageBlock >
     <apex:pageBlockTable value="{!bsr1}" var="b">
       <apex:column headerValue="CreatedByName">
       <apex:outputLink >{!b.CreatedByName__c}</apex:outputLink>
      </apex:column>  
     
      <apex:column headerValue="BSR Name">
       <apex:outputLink >{!b.Name}</apex:outputLink>
      </apex:column>
      <apex:column headerValue="Account Name">
      <apex:outputLink  >{!b.Account__r.Name}</apex:outputLink>
      </apex:column>
      <apex:column headerValue="Main Contact">
      <apex:outputLink >{!b.Contact__c}</apex:outputLink>
      </apex:column>
      <apex:column headerValue="Date">
      <apex:outputText >{!b.Date__c}</apex:outputText>
      </apex:column>
      <apex:column headerValue="Status">
      <apex:outputText >{!b.Status_Update_Notes__c}</apex:outputText>
      </apex:column>
      <apex:column headerValue="Type">
      <apex:outputText >{!b.Type__c}</apex:outputText>
      </apex:column>
     </apex:pageBlockTable>
    </apex:pageBlock>
   </apex:form>
</apex:page>

-------------------
public class BSRData  
{
  public List<Business_Status_Report__c> bsr1 { set; get; }
  public Business_Status_Report__c bsrobj1;
  public Business_Status_Report__c bsrobj2;
 
     public Business_Status_Report__c getBsrObj1()
    {
     if (bsrobj1 == null)
     {
      bsrobj1 = new Business_Status_Report__c();
      return bsrobj1;
     }
     else
       return bsrobj1;
    }
    
   public Business_Status_Report__c getBsrObj2()
    {
     if (bsrobj2 == null)
     {
      bsrobj2 = new Business_Status_Report__c();
      return bsrobj2;
     }
     else
       return bsrobj2;
    }

    public BSRData(ApexPages.StandardController controller) {
   
    }

 public List<Business_Status_Report__c> bsr { set; get; }
 public BSRData()
 {
 
 }
 public void getData()
 {
  if ( bsrobj1.Date__c != null && bsrobj2.Date__c != null)
   {
     
       Datetime dt = bsrobj1.Date__c;      
       Date dates = dt.date();       
    
       Datetime dt1 = bsrobj2.Date__c;    
       Date dates1 = dt1.date();
       

       if ( Date.valueOf(String.valueOf(dates)) > Date.valueOf(String.valueOf(dates1)) )
       {   
       
       }
      else
       {      
        System.debug('I am in else block');
       
        bsr1 = [SELECT CreatedByName__c,Account__r.Name,Name,Agency__c,BSR_Name__c,Contact__c,CreatedById,Date__c,Status_Update_Notes__c,Type__c FROM Business_Status_Report__c where CreatedDate__c >=: Date.valueOf(String.valueOf(dates)) and CreatedDate__c <=: Date.valueOf(String.valueOf(dates1)) order by CreatedById ];                
       }
    }
 }

By clicking the output link have to display particular record of that standard page. how to display that standard record page by clicking the command link can any one help on this.
}