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create Data layer

Posted on 2013-01-02
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Last Modified: 2013-01-05
When creating DAL, data layer, I generally create something like below to return dataset.  

Public Function Fill_Grid() As DataSet
        Dim ds As New DataSet
        Using Sqlcon As New SqlConnection(WebConfigurationManager.ConnectionStrings("myConnectionString").ToString)
            Using SqlComnd As New SqlCommand("mysp", Sqlcon)
                SqlComnd.CommandType = CommandType.StoredProcedure
                Using sqlAD As New SqlDataAdapter(SqlComnd)
                    sqlAD.Fill(ds)
                End Using
            End Using
        End Using
        Return ds
    End Function

My question is when I create SqlDataSource1 like below, how would I create my DAL? Or Do I even need it?




 <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
                            SelectCommand="mysp" SelectCommandType="StoredProcedure"></asp:SqlDataSource>
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Question by:VBdotnet2005
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Expert Comment

by:Chinmay Patel
ID: 38738303
No. ASP.Net will take care of it for you. I don't think that is the best way to consume data though.
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Author Comment

by:VBdotnet2005
ID: 38738325
Would you just create a function to return dataset like above then?
"No. ASP.Net will take care of it for you. I don't think that is the best way to consume data though. ", Could you clarify this a bit?
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Chinmay Patel earned 250 total points
ID: 38738372
Sure. I would have written a big paragraph but this particular answer saved me, here: http://forums.asp.net/p/1543479/3766438.aspx
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Assisted Solution

by:Rouchie
Rouchie earned 250 total points
ID: 38739472
There is an article here also about how to make functions like yours into reusable objects
http://www.codepal.co.uk/show/How_to_make_subroutines_and_functions_reusable_across_your_entire_aspnet_application
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