private void btnOK_Click(object sender, EventArgs e)
{
try
{
db.SubmitChanges();
this.DialogResult = DialogResult.OK;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (dgvStudents.SelectedRows.Count == 0)
{
return;
}
using (var db = new StudentDBDataContext())
{
foreach (DataGridViewRow row in dgvStudents.SelectedRows)
{
int id = int.Parse(row.Cells["Id"].Value.ToString());
var s = db.Students.Where(x => x.Id == id).SingleOrDefault();
try
{
db.Students.DeleteOnSubmit(s);
}
catch
{
}
}
db.SubmitChanges();
}
LoadStudents();
}
