JScript: Isses handling empty values in a lookup field

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  Hello there,

  I need to rite a JScript to check the value of a lookup field. So if the lookup field value is X, then I will do a couple of things (hide and show some fields, which I know how to do).

  What would be the easiest way to check for the value of a lookup?

  Cheers,

  P.

  • Moved by Andrii ButenkoMVP, Moderator Thursday, January 31, 2013 12:41 PM
  • Merged by HIMBAPModerator Thursday, January 31, 2013 3:33 PM

  Thursday, January 31, 2013 11:00 AM
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  Hi,
  
  Try Below JS.
  
  

   var testLookup = Xrm.Page.getAttribute("new_accountid");
   if (testLookup != null) {
       var lookupName = testLookup.getValue()[0].name;
       if (lookupName == "X") {
           // Businesslogic
       }
       else {
       // Business logic
         
       }
   }

  
  
  

  ---

  Chandan - http://mscrm-chandan.blogspot.in/ I hope this helps. If my response answered your question, please mark the response as an answer and also vote as helpful !!!

  Thursday, January 31, 2013 11:26 AM
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  Hi,

  Try this

  function displayAddressFields(countryField, roiCountyField, stateProvField, cityField) {
  	
  	var countryLookup = Xrm.Page.getAttribute(countryField).getValue();
  		if (countryLookup != null) {
  			var lookupID = countryLookup.getValue()[0].id;
  			if (lookupID == "{B0C6F05C-146A-E211-B4C7-3C4A92DBC8C7}") {
  				Xrm.Page.ui.controls.get(roiCountyField).setVisible(true);
  				Xrm.Page.ui.controls.get(stateProvField).setVisible(false);
  				Xrm.Page.ui.controls.get(cityField).setVisible(false);
  			}
  		else {
  				Xrm.Page.ui.controls.get(roiCountyField).setVisible(false);
  				Xrm.Page.ui.controls.get(stateProvField).setVisible(true);
  				Xrm.Page.ui.controls.get(cityField).setVisible(true);
  		}
  	}
  }
  function clearAddressFields(countryField, roiCountyField, stateProvField, cityField) {
  	var countryLookup = Xrm.Page.getAttribute(countryField).getValue();
  		if (countryLookup != null) {
  			var lookupID = countryLookup.getValue()[0].id;
  			if (lookupID == "{B0C6F05C-146A-E211-B4C7-3C4A92DBC8C7}") {
  				Xrm.Page.data.entity.attributes.get(stateProvField).setValue('');
  				Xrm.Page.data.entity.attributes.get(cityField).setValue('');
  			}
  		else {
  				Xrm.Page.data.entity.attributes.get(roiCountyField).setValue();
  		}
  	}
  }
  

  ---

  Hope this helps. If you get answer of your question, please mark the response as an answer and vote as helpful !
  Vikram !

  
  
  

  • Edited by _Vikram Thursday, January 31, 2013 3:11 PM
  • Proposed as answer by HIMBAPModerator Thursday, January 31, 2013 3:20 PM
  • Unproposed as answer by pmdci Thursday, January 31, 2013 4:35 PM

  Thursday, January 31, 2013 3:10 PM
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  Hello,

  you can just add one condition like below in your code
  

  var countryLookup = Xrm.Page.getAttribute(countryField);

  if (countryLookup != null) {
  if(countryLookup.getValue()!=null)
  {
  
  var lookupID = countryLookup.getValue()[0].id;
  
  //rest of the code
  }

  }

  ---

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  • Edited by HIMBAPModerator Thursday, January 31, 2013 3:21 PM
  • Proposed as answer by HIMBAPModerator Thursday, January 31, 2013 3:21 PM
  • Marked as answer by pmdci Thursday, January 31, 2013 4:34 PM

  Thursday, January 31, 2013 3:20 PM

  Moderator