Server Error in '/' Application.

Length cannot be less than zero.
Parameter name: length

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: Length cannot be less than zero.
Parameter name: length

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy) +9386571
   System.String.Substring(Int32 startIndex, Int32 length) +11
   WebLibrary.Collections.EThesis_detail.rptSection_ItemDataBound(Object sender, RepeaterItemEventArgs e) in D:\LibraryUniv\Web\WebLibrary\Collections\EThesis_detail.aspx.cs:191
   System.Web.UI.WebControls.Repeater.OnItemDataBound(RepeaterItemEventArgs e) +115
   System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) +138
   System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource) +478
   System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) +61
   System.Web.UI.WebControls.Repeater.DataBind() +76
   WebLibrary.Collections.EThesis_detail.LoadData(ThesisData data) in D:\LibraryUniv\Web\WebLibrary\Collections\EThesis_detail.aspx.cs:118
   WebLibrary.Collections.EThesis_detail.Page_Load(Object sender, EventArgs e) in D:\LibraryUniv\Web\WebLibrary\Collections\EThesis_detail.aspx.cs:33
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1031