Error

System.ArgumentOutOfRangeException: StartIndex cannot be less than zero.
Parameter name: startIndex
   at System.String.Remove(Int32 startIndex, Int32 count)
   at _WebContent_PageContent_Catalogue_CategoryDefault.Page_PreRender(Object sender, EventArgs e)
   at System.Web.UI.Control.PreRenderRecursiveInternal()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Exception of type 'System.Web.HttpUnhandledException' was thrown.

System.Web