private void btnDeny_Click(object sender, EventArgs e) { BLAdmin bl = new BLAdmin(); if (gridRequests.SelectedRows[0] != null) { DialogResult res = MessageBox.Show("Respingerea cererii implica stergerea totala a acesteia din baza de date.\nContinuati?", "Respingere", MessageBoxButtons.YesNo, MessageBoxIcon.Information); if (res == DialogResult.Yes) { DataGridViewRow row = gridRequests.SelectedRows[0]; bl.DenyRequest(Convert.ToInt32(row.Cells["ExternalId"].Value), Convert.ToInt32(row.Cells["StudentId"].Value)); MessageBox.Show("Cererea a fost respinsa!", "Succes", MessageBoxButtons.OK, MessageBoxIcon.Information); DataTable requestsTable = bl.GetRequests(); gridRequests.DataSource = requestsTable; } else { return; } } else { MessageBox.Show("Alegeti cererea pe care doriti sa o respingeti!", "Atentie", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }