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Claudio González D.
143
UltraWebGrid Load on Demand
posted

 Hi,

I have a webimagebutton in my web page, in the Click event of this button i turn visible the grid, the datasource is taken by InitializeDataSource of the ultragridview, the dataset retorned have two datatables with a relation, this show me two bands levels in my ultrawebgrid; i wanna add a level from the second level band, but the image plus isn't visible.

The ultragridview is in a WebAsynchRefreshPanel, this warp have a TriggerControlId to the webimagebutton that i mentioned before. 

Help me please, i need do it at this way, the data are too many to load them once.

Thanks,

Claudio G.

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  • 143
    posted

     No reply????? Tongue Tied ....please i need do this.

     

    I made a new project to test, I created a table, i passing random values in a cycle to this table, after that, i give this table to the UltraWebGrid.DataSource property, and then, i do a UltraWebGrid.DataBind..., next I  put the code, all this hapen in then InitializeDataSource of the grid:

            private void UltraWebGrid1_InitializeDataSource(object sender, Infragistics.WebUI.UltraWebGrid.UltraGridEventArgs e)
            {
                DataTable dt = new DataTable();

                dt.Columns.Add("NumericValue", typeof(int));

                for (int i = 0; i < 21; i++)
                {
                    DataRow dr = dt.NewRow();

                    dr[0] = i + 1;

                    dt.Rows.Add(dr);
                }

                UltraWebGrid1.DataSource = dt;
                UltraWebGrid1.DataBind();
                UltraWebGrid1.Bands.Add(new UltraGridBand());

                foreach (UltraGridRow row in UltraWebGrid1.Rows)
                      row.ShowExpand = true;
            }

    but dont work, i steel dont see the plus image.

     

    Thank you very much for your help. 

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