Server Error in '/' Application.

Unable to cast object of type 'System.DBNull' to type 'System.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: Unable to cast object of type 'System.DBNull' to type 'System.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: Unable to cast object of type 'System.DBNull' to type 'System.String'.]
   tblPropertyKeywordRow.get_KeyWordText() +63

[StrongTypingException: The value for column 'KeyWordText' in table 'tblPropertyKeyword' is DBNull.]
   tblPropertyKeywordRow.get_KeyWordText() +160
   WebUserControl_Property_PropertyDetail.GetDetail(Int32 proId) +13183
   WebUserControl_Property_PropertyDetail.Page_Init(Object sender, EventArgs e) +150
   System.Web.UI.Control.OnInit(EventArgs e) +108
   System.Web.UI.Control.InitRecursive(Control namingContainer) +173
   System.Web.UI.Control.InitRecursive(Control namingContainer) +380
   System.Web.UI.Control.InitRecursive(Control namingContainer) +380
   System.Web.UI.Control.InitRecursive(Control namingContainer) +380
   System.Web.UI.Control.InitRecursive(Control namingContainer) +380
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +491


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0