OBOUT - ASP.NET Grid - Master / Detail - Loading the Detail Grids using the OnCallback pattern

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ASP.NET Grid - Master / Detail - Loading the Detail Grids using the OnCallback pattern

CUSTOMER ID

COMPANY NAME

CONTACT NAME

COUNTRY


ALFKI	Alfreds Futterkiste Alfreds Futterkiste	Maria Anders	Germany

ANATR	Ana Trujillo Emparedados y helados Ana Trujillo Emparedados y helados	Ana Trujillo	Mexico

ANTON	Antonio Moreno Taquería Antonio Moreno Taquería	Antonio Moreno	Mexico

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Set the MasterDetailSettings.LoadingMode property to OnCallback to load the detail grids using AJAX callbacks.
Use this pattern for large master/detail hierarchies.

ASP.NET

<obout:Grid runat="server" ID="grid1" ...
    <MasterDetailSettings  LoadingMode="OnCallback" />
    <DetailGrids>
        <obout:DetailGrid runat="server" ID="grid2"  ForeignKeys="CustomerID" ...
            <MasterDetailSettings  LoadingMode="OnCallback" />
            <DetailGrids>
                <obout:DetailGrid runat="server" ID="grid3"  ForeignKeys="OrderID" ...
                </obout:DetailGrid>
            </DetailGrids>
        </obout:DetailGrid>
    </DetailGrids>
</obout:Grid>