"martinharvey via DotNetMonster.com" <u14945@uwe> wrote in message
news:594d6d0c9585f@uwe...
> This is probably a simple question but i would appreciate some help.
>
> I am trying to implement paging with a datagrid that also has a button
> that
> allows the user to insert selected information into a datatable thus:
>
> <asp:DataGrid id="dg" runat="server" ShowHeader="False"
> AutoGenerateColumns="False" Width="754px" CellPadding="10"
> HorizontalAlign="Center" OnItemCommand="AddProduct"
> DataKeyField="ProductID"
> OnItemCommand="AddProduct" OnPageIndexChanged="pager" AllowPaging="True"
> >
>
> This works ok if I leave out the paging or the on item Command but they
> wont
> work together. If i try to use them together i get the
> message "Out of range exception".
>
> Can anyone tell me where i am going wrong
>
> Many thanks
>
> Martin
>
> For reference the page code is:
>
> Sub Page_Load(sender As Object, e AS EventArgs)
> If Not Page.IsPostBack then
> dg.DataSource = Catalog.SP_GetInfo()
> dg.DataBind
> End If
> End Sub
>
> Sub pager(sender as Object, e As DatagridPageChangedEventArgs)
> dg.CurrentPageIndex = e.NewPageIndex
> dg.DataSource = Catalog.SP_GetInfo()
> dg.DataBind()
> End Sub
>
> Sub AddProduct(sender As Object, e As DataGridCommandEventArgs)
> ShoppingCart.AddProduct(dg.DataKeys(e.Item.ItemIndex))
> End Sub
>
> --
> Message posted via DotNetMonster.com
> http://www.dotnetmonster.com/Uwe/Forums.aspx/asp-net-datagrid/200512/1

Elton Wang wrote:
>Normally during performing datagrid pagination, it's better to keep record
>number of datagrid's data source. If you change record, it might causes
>CurrentPageIndex to be referred to wrong one, out of range exception. One
>way to workaround is once you change record, set CurrentPageIndex = 0, first
>page.
>
>HTH
>
>> This is probably a simple question but i would appreciate some help.
>>
>[quoted text clipped - 38 lines]
>> ShoppingCart.AddProduct(dg.DataKeys(e.Item.ItemIndex))
>> End Sub