Server Error in '/' Application.

There is no row at position 0.

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 0.

Source Error:


Line 86:                 Dim dt As DataTable = New DataTable()
Line 87:                 dt.Load(spGridView)
Line 88:                 Return dt.Rows(0).Item("ID")
Line 89:             End Using
Line 90:         End Using

Source File: C:\Inetpub\vhosts\isba.ir\old.isba.ir\Festival.aspx.vb    Line: 88

Stack Trace:


[IndexOutOfRangeException: There is no row at position 0.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2136515
   System.Data.DataRowCollection.get_Item(Int32 index) +21
   Festival.index_Value() in C:\Inetpub\vhosts\isba.ir\old.isba.ir\Festival.aspx.vb:88
   Festival.Page_Load(Object sender, EventArgs e) in C:\Inetpub\vhosts\isba.ir\old.isba.ir\Festival.aspx.vb:12
   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:4.7.4057.0