Templatefield Gridview

[wallm]

I converted a boundfield into a templatefield

The templatefield now looks like this

<asp:TemplateField HeaderText="Quantity">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Quantity") %>'></asp:TextBox>

</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Quantity") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>

The sub below used to work for the boundfield

Protected Sub CartGrid_RowUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewUpdateEventArgs)
Dim QuantityTextBox As TextBox = CType(CartGrid.Rows(e.RowIndex).Cells(2).Controls(0), TextBox)
Dim Quantity As Integer = Convert.ToInt32(QuantityTextBox.Text)

If Quantity = 0 Then
Profile.Cart.Items.RemoveAt(e.RowIndex)
Else
Profile.Cart.Items(e.RowIndex).Quantity = Quantity
End If

CartGrid.EditIndex = -1
BindGrid()
End Sub

But now it spits out the error

Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.

thanks.

 

[ca8msm]

I imagine that "CartGrid.Rows(e.RowIndex).Cells(2).Controls(0)" isn't returning the control you are actually expecting it to (i.e. it is returning a Literal control rather than a TextBox). I suggest you make sure you are getting a reference to the correct control.


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[wallm]

I've been trying to do that without any success.

 

[ca8msm]

You'll just have to debug thr project and see what controls are at what position and then use the relevant index.


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