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ASP.NET 2.0 / Nested Gridview / Function Question

Posted on 2006-11-22
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Last Modified: 2012-08-13
I'm using a nested gridview (idea from:  http://programmers.wordpress.com/2006/07/26/nested-gridview-to-show-masterdetails-relationship-in-aspnet-20/).  My nested gridview contains the following:

<asp:GridView ID="Gridview2" runat="server" DataSource="<%#GetNames(Convert.ToInt32(Eval("ID"))) %>"

I need to create a function that creates a datatable so each time a row is bound to the main gridview, the child gridview is also bound with the corresponding values.  I'm using Access as my database and my nested gridview select command looks something like:

SelectCommand="SELECT Table2.[Name], [Table2].[ChildID] FROM Table2 Where [Table2].[ChildID] = [Table1].[ID]

How do I use VB to create the GetNames function (below) to get this to work?  Thanks for your help!!

**********************************************************************
Public Function GetNames() As DataTable

End Function
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Question by:drees727
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Expert Comment

by:Bob Learned
ID: 17998673
What are you using for a data source?  ObjectDataSource?

Bob
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by:drees727
ID: 17998688
AccessDataSource
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Bob Learned earned 125 total points
ID: 17998810
1) I don't find that the AccessDataSource provides the interface members that you would need to accomplish this.

2) You could use 2 OleDbDataAdapter objects to fill a DataSet with the parent and child tables, and then add a DataRelation to the DataSet, and call DataRow.GetChildRows from the parent row to fill the nested GridView.

Bob
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