Server Error in '/' Application.

Input string was not in a correct format.

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.FormatException: Input string was not in a correct format.

Source Error:


Line 54:             _MainPanel.Visible = True
Line 55:             _SitemapPanel.Visible = True
Line 56:             _MainPanelDescription.Visible = Not LoadSitempap(IdPost, Convert.ToInt32(_SitemapId.Value), True)
Line 57:         Else
Line 58:             Dim menuType As String = Request.QueryString("type")

Source File: D:\inetpub\wwwroot\eurocto.eu\eventdetails.aspx.vb    Line: 56

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +12838615
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +122
   System.Convert.ToInt32(String value) +48
   eventdetails.ShowPanels() in D:\inetpub\wwwroot\eurocto.eu\eventdetails.aspx.vb:56
   eventdetails.Page_PreRender(Object sender, EventArgs e) in D:\inetpub\wwwroot\eurocto.eu\eventdetails.aspx.vb:44
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.Control.OnPreRender(EventArgs e) +9882874
   System.Web.UI.Control.PreRenderRecursiveInternal() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +906


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.0