Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot perform runtime binding on a null reference RSS

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  hubertjiang

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  21 Posts

  Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot perform runtime binding on a null r...

  Apr 21, 2012 10:01 PM|LINK

  How do i solve :

  Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot perform runtime binding on a null reference ?

  var sql3 = "SELECT MedicalId From Medical WHERE CDSID=@0";
          var medical = db.QuerySingle(sql3, myCDSID);
          var myMedicalId = medical.MedicalId; //error appears to be here

  Thanks
  
  

  • Edited by Mikesdotnetting on Apr 22, 2012 06:50 AM
  • Split by Mikesdotnetting on Apr 22, 2012 06:50 AM
  • Edited by Mikesdotnetting on Apr 22, 2012 06:50 AM
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  GmGregori

  Contributor

  5446 Points

  735 Posts

  Re: Can someone tell me what is this error means?? Webmatrix is getting on my nerves.

  Apr 21, 2012 10:38 PM|LINK

  It looks like "medical" is empty: no one record matches the query criteria.

  • Marked as answer by Dino He - MSFT on Apr 27, 2012 02:51 AM