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 65:             Me.Title = "Risa AG Deitingen - " & meinDatenleser("Ueberschrift")
Line 66:             ueberschrift.InnerHtml = meinDatenleser("Ueberschrift")
Line 67:             seiteninhalt.InnerHtml = meinDatenleser("Seiteninhalt")
Line 68: 
Line 69:             If meinDatenleser("Downloadlink") <> "" And meinDatenleser("Downloadtext") <> "" Then

Source File: E:\www\vhosts\risaag.ch\httpdocs\seite.aspx.vb    Line: 67

Stack Trace:


[InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) +1307492
   seite.Page_Load(Object sender, EventArgs e) in E:\www\vhosts\risaag.ch\httpdocs\seite.aspx.vb:67
   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:4.8.4700.0