private void button1_Click(object sender, EventArgs e) { String cmd = String.Format("Select GroupProject.GroupId from Project JOIN GroupProject ON Project.Id = GroupProject.ProjectId where title = '{0}'", procombo.Text); SqlCommand a = new SqlCommand(cmd, DatabaseConnection.getInstance().getConnection()); int ad; ad = (Int32)a.ExecuteScalar(); groups g = new groups(ad); this.Hide(); g.Show(); }
private void deladd_Click(object sender, EventArgs e) { if (dataGridadd.SelectedCells.Count != 0) { int rw = dataGridadd.SelectedCells[0].RowIndex; String cmd = String.Format("Select Id from Lookup Where Value = 'Active'"); SqlCommand a = new SqlCommand(cmd, DatabaseConnection.getInstance().getConnection()); int st; st = (Int32)a.ExecuteScalar(); cmd = String.Format("Select Person.Id From Person where FirstName + ' ' +LastName ='{0}' ", dataGridadd.Rows[rw].Cells["Name"].Value.ToString()); a = new SqlCommand(cmd, DatabaseConnection.getInstance().getConnection()); int id; id = (Int32)a.ExecuteScalar(); cmd = string.Format("UPDATE GroupStudent SET Status = '{1}' where StudentId = '{0}'", id, st); SqlCommand del = new SqlCommand(cmd, DatabaseConnection.getInstance().getConnection()); int count = del.ExecuteNonQuery(); groups p = new groups(); this.Hide(); p.Show(); } }