I've used VB Master-Details Insert QuickStart sample in my application.It works relatively good(if ignore System.InvalidOperationException: ObjectDataSource '...' could not find a non-generic method 'Update' that has parameters error).
However to create a new record,you need to have DetailsView visible. However if the GridView is empty, DetailsView is not visible and user is uable to create the first record.
I've added code to show DetailsView in DefaultMode="Insert" if no data was selected in the list
Private Sub odsGoogleAPIKeys_Selected(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ObjectDataSourceStatusEventArgs) Handles odsGoogleAPIKeys.Selected
'from http://www.thescripts.com/forum/post1823472-2.html
Dim dt As DataTable = e.ReturnValue
Dim count As Integer = dt.Rows.Count
'If (e.AffectedRows > 0) Then 'NOT working, returns -1 '/from http://forums.asp.net/ShowPost.aspx?PostID=1539233
If (count = 0) Then
DetailsView1.Visible = True
DetailsView1.DefaultMode = DetailsViewMode.Insert
End If
End Sub
Alternatively it was possible to add a link "Add a new record",similar to what exist on a sampe GridViewMasterDetailsInsertPage. to show DetailsView in DefaultMode="Insert".
posted @ Thursday, March 01, 2007 9:25 PM