Server Error in '/' Application.

StartIndex cannot be less than zero.
Parameter name: startIndex

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.ArgumentOutOfRangeException: StartIndex cannot be less than zero.
Parameter name: startIndex

Source Error:


Line 21:       while (oPage.PageID == 0)
Line 22:       {
Line 23:         sURLToTry = sURLToTry.Remove(sURLToTry.LastIndexOf('/')) + ".aspx";
Line 24:         oPage = new page(sURLToTry);
Line 25:       }

Source File: c:\Inetpub\vhosts\wentworthletchworth.co.uk\httpdocs\template.aspx    Line: 23

Stack Trace:


[ArgumentOutOfRangeException: StartIndex cannot be less than zero.
Parameter name: startIndex]
   System.String.Remove(Int32 startIndex) +12944210
   ASP.template_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in c:\Inetpub\vhosts\wentworthletchworth.co.uk\httpdocs\template.aspx:23
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1303


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0