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 67:                 mlat = r("TblPercorsi_Lat").ToString
Line 68:                 mlong = r("TblPercorsi_Long").ToString
Line 69:                 Testo = r("TblPercorsi_descrizione")
Line 70: 
Line 71: 

Source File: E:\inetpub\wwwroot\youliguria.it\it\dettaglioitinerario.aspx    Line: 69

Stack Trace:


[InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) +1113
   ASP.it_dettaglioitinerario_aspx.Page_Load(Object sender, EventArgs e) in E:\inetpub\wwwroot\youliguria.it\it\dettaglioitinerario.aspx:69
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


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