private void countriesTable_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
DataTable DT = this.countriesTable.DataSource as DataTable;
if (DT != null)
{
DataRow DR = null;
try
{
DR = ((DataRowView)this.countriesTable.SelectedRows[0].DataBoundItem).Row;
}
catch (Exception) { return; }
if (DR != null)
{
try
{
DataRow[] DRS = DR.GetChildRows(this.DS.Relations["CityCountryRelation"]);
((DataTable)this.citiesTable.DataSource).Rows.Clear();
foreach (DataRow r in DRS)
{
((DataTable)this.citiesTable.DataSource).Rows.Add(r.ItemArray);
}
}
catch (Exception a) { MessageBox.Show(a.Message); }
}
}
}