[Solved] Vaules are null when inserting new records

[Christopher Fenton]

Hi,

I am using the RadGrid control to show some very basic data and allow users to insert new items and edit existing ones. I have had a look at the documentation and demos concerning inserting but I seem to be running into a problem. No matter what I try the new value is returned as null. Please find my code below:

Markup:

<telerik:RadGrid ID="RadGrid_Baskets" runat="server"
    AutoGenerateColumns="False"
    CssClass="basket_grid"
    DataKeyNames="id">

    <ClientSettings
        Selecting-AllowRowSelect="true"
        EnablePostBackOnRowClick="true"
        ClientEvents-OnRowClick="RadGrid_Basket_OnRowClick"/>

    <MasterTableView CommandItemDisplay="Top">
        <Columns>
            <telerik:GridBoundColumn
                DataField="name"
                HeaderText="Basket Name"
                UniqueName="name"/>

            <telerik:GridTemplateColumn Display="false"
                ReadOnly="true">
                <ItemTemplate>
                    <input type="hidden" id="item_id_hidden_<%#eval("id")%>" class="item_id" value="<%#eval("id")%>" />
                </ItemTemplate>
            </telerik:GridTemplateColumn>

            <telerik:GridTemplateColumn>
                <ItemTemplate>
                    <asp:LinkButton ID="ImageButton_Edit" runat="server"
                        CommandName="Edit"
                        Text="Edit"
                        Visible='<%#Not IsSystemBasket(Eval("name"))%>'/>
                </ItemTemplate>
            </telerik:GridTemplateColumn>

            <telerik:GridTemplateColumn
                UniqueName="DeleteColumn">
                <ItemTemplate>
                    <asp:ImageButton ID="ImageButton_Delete" runat="server"
                        CommandName="Delete"
                        ImageUrl="../Objects/CSS/telerik/Grid/Delete.gif"
                        Text="Delete"
                        Visible='<%#Not IsSystemBasket(Eval("name"))%>'/>
                </ItemTemplate>
            </telerik:GridTemplateColumn>
        </Columns>

    </MasterTableView>

</telerik:RadGrid>

Code behind:

Protected Sub RadGrid_Basket_InsertCommand(ByVal source As Object, ByVal e As GridCommandEventArgs) Handles RadGrid_Baskets.InsertCommand

Dim newItem As GridEditableItem = CType(e.Item, GridEditableItem)
Dim editManager As GridEditManager = newItem.EditManager

Dim editor As GridTextBoxColumnEditor = editManager.GetColumnEditor(e.Item.OwnerTableView.RenderColumns(2))

ItemBaskets.AddBasket(editor.Text)

End Sub

My ItemBasket class handles the creation if the basket and all it needs is a name. The problem is that the value is always null and therefore the AddBasket method throws an exception.

I have also tried:

Protected Sub RadGrid_Basket_InsertCommand(ByVal source As Object, ByVal e As GridCommandEventArgs) Handles RadGrid_Baskets.InsertCommand

Dim newItem As GridEditableItem = CType(e.Item, GridEditableItem)

Dim values As New Hashtable()

e.Item.OwnerTableView.ExtractValuesFromItem(values, newItem)

ItemBaskets.AddBasket(values("name"))

End Sub

Here the value is in the hashtable but it is null again. I am obviously missing something here, advice would be welcome.


Chris

[Christopher Fenton]

It turns out that I had rebound the data to the grid without realising it.

I suppose sometimes you just need to look at something with a fresh pair of eyes :)