[Solved] Access controls inside Grid FormTemplate

[Kia]

Hi,

I have a rad grid using a template for formEdit. I've placed a bunch of controls and bound them to data, but I need to sed the combo box data sources from my VB code. How do I access controls inside the FormTemplate?

I tried FindControl, but I must be missing something in here(VB):

CType(Me.rgrdOrders.FindControl("cboSuppliers"), DropDownList)

Everything I try returns "Nothing"

[alan]

Kia,

You cannot use FindControl this way. You would not be able to use it in GridView either. You have to call it on a grid item:
item.FindControl(....)
Grid items are INamingContainer - check here:

http://msdn2.microsoft.com/en-us/library/system.web.ui.inamingcontainer.aspx

[Kia]

Thanks,

I had a look at the site and I'm afraid I'm a little more confused than before looking up INamingContainer. Sorry for my lack of .Net skills.  I then tried to use e.item on EditCommand and have the same problem.

I think that in http://www.telerik.com/community/forums/thread/b311D-bbhkec.aspx, they refer to the same thing.

Can I please see a code snippet doing this?

[alan]

Kia,

You cannot invoke RadGrid.FindControl("MyControlID") as RadGrid has many items and there could be "MyControlID" in each grid item. You have to find the edited item and call FindControl.
It could be something like this in ItemDataBound:

If TypeOf e.Item is GridEditFormItem And e.Item.IsInEditMode Then
    Dim ddl as DropDowList = e.item.FindControl("cboSuppliers")
Endif