Server Error in '/' Application.

Value cannot be null.
Parameter name: url

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.ArgumentNullException: Value cannot be null.
Parameter name: url

Source Error:


Line 18:         If Session("aspnetforumUserName") = Nothing Then
Line 19:             Session("loginerror") = "dlerror"
Line 20:             Response.Redirect(Session("lastpage"))
Line 21:         Else
Line 22:             Dim userconString As String = ConfigurationManager.ConnectionStrings("ForumDataConnectionString").ConnectionString

Source File: E:\kunden\homepages\34\d107420414\www\library\cdl-kxl\downloader.aspx.vb Line: 20

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: url]
   System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent) +9774464
   System.Web.HttpResponse.Redirect(String url) +14
   library_cdlkxl_downloader.Page_Load(Object sender, EventArgs e) in E:\kunden\homepages\34\d107420414\www\library\cdl-kxl\downloader.aspx.vb:20
   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:4.8.4718.0

Server Error in '/' Application.

Value cannot be null.Parameter name: url

Value cannot be null.
Parameter name: url