iam placing grids in the webparts zones even i binded data to the grid also it is not displaying ..so how can i find the contols in the vb.net code when they are in catalog--declarative catalog zone and any webparts zones..how can assign data to them using vb code

        foreach (WebPart wp in WebPartZone1.WebParts)
        {
            GridView gv = wp.FindControl("your gridview id");
        }

 hi thnks for ur reply

i hv a doubt when user selects edit mode and change the grid then how i can handle this situation...can i write this same code for page catalog also

jagadeesh_sanapala:

iam placing grids in the webparts zones even i binded data to the grid also it is not displaying ..so how can i find the contols in the vb.net code when they are in catalog--declarative catalog zone and any webparts zones..how can assign data t

The easiest thing that I could think of is to use UserControl as Webparts, Place the GridView within the UserControl and do the logic there like Binding etc..

hi could guide me in this regard howto use user control as web parts

jagadeesh_sanapala:

hi could guide me in this regard howto use user control as web parts

You can refer to the following links below on how to create a UserControl as WebParts:

How to: Treat a User Control as a Web Parts Control 

How to video: Building Web Parts with User Controls and AJAX