private void UpdateDetailView(int rowHandle, bool state)
{
GridView dView = gridView1.GetDetailView(rowHandle, 0) as GridView;
bool aCollapsed = dView == null;
if (dView == null)
{
gridView1.ExpandMasterRow(rowHandle);
dView = gridView1.GetDetailView(rowHandle, 0) as GridView;
}
if (dView != null)
{
for (int i = 0; i < dView.DataRowCount; i++)
{
dView.SetRowCellValue(i, dView.Columns["check"], state);
}
}
}