Index Out of Range on ListView (with asp:Timer which swich data based on datapager)

Posted on 2008-10-14
Last Modified: 2012-05-05
Greetings, greetings, and thank you.. for reading my problem.

The thing is that i'm getting this error :
"System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"

... the SECOND time the data is bound to the listview.. the code will explain the situation for itself..
The first time, i'm getting the datakey the correct way, but the second time.. the error occurs on this line of code in the itemdatabound event :
--> DataKey currentDataKey = this.lvCampain.DataKeys[currentItem.DataItemIndex];

A quick description of the functionality is that there is ONE object per PAGE, and the timer_click event switch pages after 10 seconds..

Any help regarding this would be of great help to me, since this is quite urgent (and i have to work until i get this thing right!)..

So... thanx in advance to whoever has time to assist me. Cheers !

See the attached code and explanation :


<asp:Timer ID="timCampain" runat="server" Interval="7000" OnTick="timCampain_Tick" />

                <asp:UpdatePanel runat="server" ID="upnlCampain" UpdateMode="Conditional">


                        <asp:Panel runat="server" Width="100%" ID="pnlCampain">


                            <asp:ListView runat="server" ID="lvCampain" DataKeyNames="Id" DataSourceID="odsCampain"

                                OnItemCommand="lvCampain_OnItemCommand" OnItemDataBound="lvCampain_ItemDataBound">


                                    <asp:PlaceHolder runat="server" ID="itemPlaceholder" />



                                    <table width="100%" border="0" cellspacing="0" cellpadding="0">


                                            <td valign="top" width="70%">

                                                <table width="100%" border="0" cellspacing="2" cellpadding="2">



                                                            <div style="float: left; vertical-align: top;">

                                                                <asp:Label runat="server" ID="lblUgle" /> /// ETC ETC ETC......




                            <div style="float: left; margin-left: 5px">

                                <asp:Panel runat="server" ID="pnlPager" CssClass="listviewpager" Enabled="True" Visible="True">

                                    <asp:DataPager ID="dpCampain" runat="server" PagedControlID="lvCampain" PageSize="1">


                                            <asp:NumericPagerField />





                            <asp:ObjectDataSource ID="odsCampain" runat="server" TypeName="Dao.initiativeDao, App_Code"

                                SelectMethod="activeCampain" EnablePaging="True" SelectCountMethod="activeCampainCount"

                                StartRowIndexParameterName="startRow" MaximumRowsParameterName="maxRow">


                                    <asp:SessionParameter DefaultValue="0" SessionField="companyid" Name="companyid"

                                        Type="Int32" />




protected void timCampain_Tick(object sender, EventArgs e)


        int currPage = dpCampain.StartRowIndex;

        int lastPage = dpCampain.TotalRowCount;

        if (currPage < lastPage - 1)


            dpCampain.SetPageProperties(currPage + 1, 1, true);




            dpCampain.SetPageProperties(0, 1, true);





protected void lvCampain_ItemDataBound(object sender, ListViewItemEventArgs e)


          if (e.Item.ItemType == ListViewItemType.DataItem)


              ListViewDataItem currentItem = (ListViewDataItem)e.Item;


              DataKey currentDataKey = this.lvCampain.DataKeys[currentItem.DataItemIndex];

              Label lblUgle = (Label)currentItem.FindControl("lblUgle");

              lblUgle.Text = Convert.ToString((int)currentDataKey["Id"]);

              //If ( NOT e.Item.ItemIndex > departmentsGrid.DataKeys.Count ) Then

              //  departmentId = departmentsGrid.DataKeys(e.Item.ItemIndex)

              //End If



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Question by:Nygter
  • 2

Author Comment

ID: 22716480
Oh.. and by the way.. i need to get the primary-key (Id) of the object for further use in a query in the itemdatabound event.

Accepted Solution

Nygter earned 0 total points
ID: 22716551
Found the solution myself mostly due to luck :

protected void lvCampain_ItemDataBound(object sender, ListViewItemEventArgs e)
        if (e.Item.ItemType == ListViewItemType.DataItem)
            ListViewDataItem currentItem = (ListViewDataItem)e.Item;
            int currentId = ((Induct.Model.Campain)currentItem.DataItem).Id;

            Label lblUgle = (Label)currentItem.FindControl("lblUgle");
            lblUgle.Text = currentId.ToString();

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