Server Error in '/' Application.

There is no row at position -1.

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.IndexOutOfRangeException: There is no row at position -1.

Source Error:


Line 10:             Dim rowno As Integer = Int(Rnd(1) * NUMQUOTES - 1)
Line 11:             Dim qf As String = ""
Line 12:             Select Case ldt.Rows(rowno)("quote")
Line 13:                 Case 1
Line 14:                     qf = "response1"

Source File: D:\Moongates\U4\Default.aspx    Line: 12

Stack Trace:


[IndexOutOfRangeException: There is no row at position -1.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2508462
   System.Data.DataRowCollection.get_Item(Int32 index) +20
   ASP.u4_default_aspx.Page_Load(Object sender, EventArgs e) in D:\Moongates\U4\Default.aspx:12
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1607


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.3928.0