private void btnAccept_Click(object sender, EventArgs e) { BLAdmin bl = new BLAdmin(); if (gridRequests.SelectedRows[0] != null) { DataGridViewRow row = gridRequests.SelectedRows[0]; bl.AcceptRequest(Convert.ToInt32(row.Cells["ExternalId"].Value), Convert.ToInt32(row.Cells["StudentId"].Value)); MessageBox.Show("Cererea a fost acceptata!", "Succes", MessageBoxButtons.OK, MessageBoxIcon.Information); DataTable requestsTable = bl.GetRequests(); gridRequests.DataSource = requestsTable; } else { MessageBox.Show("Alegeti cererea pe care doriti sa o aprobati!", "Atentie", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }