VB ASP.NET Datagrid Editing

[johnpienaar]

Hi
I am fairly new at VB and ASP.NET and have been trying to edit items on a grid. I have managed to create editable columns or editable rows, but I cannot control it any further than that. What I am trying to do is the following:
For example say we have a 10 column by 10 row grid. I would like to make columns 5-10 editable but only for rows 3-7.
Is this possible with the standard Visual Studio datagrid? - I am using Visual Studio 2003.
If not are there any downloadable grids that can do this that are either free or inexpensive?
Any insight/help would be appreciated.

 

[ca8msm]

It's not as easy as it should be to do what you want. You might get some useful pointers from here though:

http://www.dotnetjohn.com/articles.aspx?articleid=83

____________________________________________________________

Need help finding an answer?

Try the Search Facility or read FAQ222-2244 on how to get better results.

 

[adamroof]

if you know specific consistent data that could identify if its editable or not, ie column 3 says "bla bla", then you could use the onItemDataBound event.

'HTML
<asp:DataGrid id=datagrid runat=server onItemDataBound=datagrid_IDB>
...
</asp:DataGrid>

'Code
Sub datagrid_IDB(sender As Object, e As DataGridItemEventArgs)
        Select Case e.Item.ItemType
            Case ListItemType.Item, ListItemType.AlternatingItem
                'This would be your edit button if its in column 0              
                Dim button As LinkButton = CType(e.Item.Cells(0).Controls(0), LinkButton)
                If e.Item.cells(2).Text = "Bla Bla" Then
                    button.visible = True
                Else
                    button.visible = False
                End If
        End Select
End Sub

If you use ItemTemplates you might have to do...

Sub datagrid_IDB(sender As Object, e As DataGridItemEventArgs)
        Select Case e.Item.ItemType
            Case ListItemType.Item, ListItemType.AlternatingItem
                'This would be your edit button if its in column 0              
                Dim button As LinkButton = CType(e.Item.Cells(0).Controls(0), LinkButton)
                If CType(e.Item.FindControl("txtLabel"),Label).Text = "Bla Bla" Then
                    button.visible = True
                Else
                    button.visible = False
                End If
        End Select
End Sub

 

[johnpienaar]

Thanks to both of you for your help- much appreciated.
I've managed to get it working.