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Sample for LoadOnDemand grid
posted

hello,

where I can find a saple code for Grid.

I set Grid as

Browser="Xml"

ViewType="Hierarchical"

LoadOnDemand="Xml"

And added following code

         protected void myDataGrid_InitializeDataSource(object sender, Infragistics.WebUI.UltraWebGrid.UltraGridEventArgs e)
        {
            this.myDataGrid.DataSource = GetGridData();
        }

 protected void myDataGrid_InitializeLayout(object sender, Infragistics.WebUI.UltraWebGrid.LayoutEventArgs e)

{

                e.Layout.Bands[0].DataKeyField = "User_UID";
                e.Layout.Bands[1].DataKeyField = "info_UID";

}

In GetGridData() function I fetch data from two tables of SQL database , fill dataset and define relations for this dataset.

This code works well but While debugging I found that when I click '+' sign on grid to view child rows, InitializeDataSource event fired again and it fetch data again from database.

I am confused whether it is correct behavior or not.Because for every '+' click it is loading data from SQL server .

Can any one guide me how to initialize data source for   Hierarchical and  LoadOnDemand="Xml" grid.

Or where I can find good example related to this?

Thanks

Shital

 

 

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