Hi Liste,
ich habe in meiner Session eine DataTable, aus der ich gerne einen eintrag
löschen würde. das wollte ich mit folgender funktion machen:
Sub DeleteArtikel(ByVal id As Integer)
Dim objDataTable As DataTable = CType(Session("warenkorb"), DataTable)
Dim i As Integer
For i = 0 To objDataTable.Rows.Count - 1
If CInt(objDataTable.Rows(i)("id")) = id Then
objDataTable.Rows.RemoveAt(i)
End If
Next
objDataTable.AcceptChanges()
If objDataTable.Rows.Count = 0 Then
Response.Redirect("warenkorb.aspx")
Else
Datenlesen()
End If
End Sub
jedoch bekomme ich danach immer folgende exception:
There is no row at position 2.
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 2.
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:
[IndexOutOfRangeException: There is no row at position 2.]
System.Data.DataRowCollection.get_Item(Int32 index) +63
Vinerie.Warenkorb.DeleteArtikel(Int32 id) +102
Vinerie.Warenkorb.ibtnDelete_Click(Object sender, ImageClickEventArgs e)
+40
System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +109
System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String
eventArgument) +69
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1277
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