/// <summary>
/// Handles invocation of BeforeExpand events
/// </summary>
internal bool DoBeforeExpandEvent(
GridPanel gridPanel, GridContainer container, ExpandSource expandSource)
{
if (BeforeExpand != null)
{
GridBeforeExpandEventArgs ev = new
GridBeforeExpandEventArgs(gridPanel, container, expandSource);
BeforeExpand(this, ev);
return (ev.Cancel);
}
return (false);
}
void SuperGridBeforeExpand(object sender, GridBeforeExpandEventArgs e)
{
if (e.GridPanel == _Panel)
{
if (e.GridContainer.RowsUnresolved == true)
{
e.GridContainer.RowsUnresolved = false;
GridRow row = e.GridContainer as GridRow;
if (row != null)
{
DataRowView view = row.DataItem as DataRowView;
if (view != null)
{
DataTable dt = view.DataView.Table;
StringBuilder sb = new StringBuilder();
foreach (DataRelation dr in dt.ChildRelations)
CreateNestedPanel(e.GridPanel, row, dr, sb);
}
}
}
}
}
