Server Error in '/' Application.

Operator '<>' is not defined for type 'DBNull' and string "".

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: Operator '<>' is not defined for type 'DBNull' and string "".

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidCastException: Operator '<>' is not defined for type 'DBNull' and string "".]
   Microsoft.VisualBasic.CompilerServices.Operators.ConditionalCompareObjectNotEqual(Object Left, Object Right, Boolean TextCompare) +1253403
   ECPH_Web.sugatsunesearch.LoadProduct(sugatsunecriteria sc) +2370
   ECPH_Web.sugatsunesearch.LoadPage(sugatsunecriteria sc) +48
   ECPH_Web.sugatsunesearch.Page_Load(Object sender, EventArgs e) +1181
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2053.0