private bool isValidExit(string nameDesc)
 {
     bool isValid = true;
     DepartmentOrderDetailTableAdapters.DepartmentOrderEmergencyExitTableAdapter tableAdapter = new DepartmentOrderDetailTableAdapters.DepartmentOrderEmergencyExitTableAdapter();
     if (tableAdapter.GetEmergencyExitsByName((int)Session[WebConstants.Session.DEPT_ID], loggedInUserCoId, int.Parse(Request[WebConstants.Request.DEPT_ORDER_ID]), nameDesc).GetEnumerator().MoveNext())
     {
         isValid = false;
         SetErrorMessage(WebConstants.Messages.Error.ALREAD_EXISTS);
     }
     return isValid;
 }