Server Error in '/' Application.

Conversion from type 'DBNull' to type 'String' is not valid.

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: Conversion from type 'DBNull' to type 'String' is not valid.

Source Error:


Line 31:         ' Response.Write(jasnet.MenuList.Seo.CurrentNodeInLevel(3).ID)
Line 32: 
Line 33:         SqlDataSourceClankeFotoU.SelectParameters("id").DefaultValue = Jasnet.MenuList.Seo.CurrentNodeInLevel(3).Data("idClanku")
Line 34:     End Sub
Line 35: 

Source File: e:\web\sites\JAS0000045844\wwwroot\clen.aspx.vb    Line: 33

Stack Trace:


[InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) +1307492
   clen.Page_Load(Object sender, EventArgs e) in e:\web\sites\JAS0000045844\wwwroot\clen.aspx.vb:33
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0