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:

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: StartIndex cannot be less than zero.
Parameter name: startIndex]
   System.String.Substring(Int32 startIndex, Int32 length) +13220247
   directorylist.rptalldata_ItemDataBound(Object sender, RepeaterItemEventArgs e) +1006
   System.Web.UI.WebControls.Repeater.OnItemDataBound(RepeaterItemEventArgs e) +111
   System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) +138
   System.Web.UI.WebControls.Repeater.AddDataItemsIntoItemsArray(IEnumerable dataSource, Boolean useDataSource) +217
   System.Web.UI.WebControls.Repeater.PostGetDataAction(IEnumerable dataSource) +71
   System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource) +220
   System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) +62
   System.Web.UI.WebControls.Repeater.DataBind() +77
   directorylist.bindappdata() +271
   directorylist.Page_Load(Object sender, EventArgs e) +117
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4081.0