private void add_Participation_Click(object sender, EventArgs e)
{
var add = new AdditionalParticipation();
add.ShowDialog();
additionalParticipationTableAdapter.Fill(schoolCourseDataSet.AdditionalParticipation);
schoolCourseDataSet.AcceptChanges();
}
private void edit_Participation_Click(object sender, EventArgs e)
{
var ds = new SchoolCourseDataSet.AdditionalParticipationDataTable();
additionalParticipationTableAdapter.FillBy2(ds,
Convert.ToInt32(participationDataGridView.SelectedRows[0].Cells[0].Value),
Convert.ToInt32(participationDataGridView.SelectedRows[0].Cells[1].Value));
object[] row = ds.Rows[0].ItemArray;
var edt = new AdditionalParticipation(Convert.ToInt32(row[0]),
Convert.ToInt32(row[1]),
Convert.ToInt32(row[2]));
edt.ShowDialog();
additionalParticipationTableAdapter.Fill(schoolCourseDataSet.AdditionalParticipation);
schoolCourseDataSet.AcceptChanges();
}