[Solved] Hide or Show controls in editmode

[Rick]

I am trying to hide or display different controls in edit mode depending on the value of another item

Protected Sub RadGrid1_ItemCreated(ByVal sender As Object, ByVal e As Telerik.Web.UI.GridItemEventArgs) Handles RadGrid1.ItemCreated
        If e.Item.IsInEditMode AndAlso Not (TypeOf e.Item Is IGridInsertItem) Then
            Dim formItem As GridEditFormItem = CType(e.Item, GridEditFormItem)
            Dim mydd As DropDownList = TryCast(e.Item.FindControl("DropDownList1"), DropDownList)
            Dim mytb As TextBox = TryCast(e.Item.FindControl("TextBox1"), TextBox)
            If formItem("DataType").Text = "List-Text" Then
                mydd.Visible = True
                mytb.Visible = False
            End If
        End If
    End Sub

This code is not working the textbox is visible no matter what value is in DataType

[Shinu]

Hello Rick,

Try accessing the GridDataItem using formItem.ParentItem property and check for the condition as shown below.

C#:

Protected Sub RadGrid1_ItemDataBound(ByVal sender As Object, ByVal e As GridItemEventArgs)
    If e.Item.IsInEditMode AndAlso Not (TypeOf e.Item Is IGridInsertItem) Then
        Dim formItem As GridEditFormItem = DirectCast(e.Item, GridEditFormItem)
        Dim mydd As DropDownList = TryCast(e.Item.FindControl("DropDownList1"), DropDownList)
        Dim mytb As TextBox = TryCast(e.Item.FindControl("TextBox1"), TextBox)
        If formItem.ParentItem("DataType").Text = "List-Text" Then
            mydd.Visible = True
            mytb.Visible = False
        End If
    End If
End Sub

Best regards,
Shinu.