private void btnAddGuardian_Click(object sender, EventArgs e) { SearchForUser GetContact = new SearchForUser(GUARDIAN_ASSOCIATION_REQUEST, this, sqlite_conn); GetContact.ShowDialog(); Console.Write("{0}{1}", iUser, sRelationship); SQLiteCommand sqlite_cmd = new SQLiteCommand("INSERT INTO Guardians (id,iStudent,iPerson,sRelationship) VALUES (@id,@iStudent,@iPerson,@sRelationship)", sqlite_conn); sqlite_cmd.Parameters.Add("@id", SqlDbType.Int).Value = null; sqlite_cmd.Parameters.Add("@iStudent", SqlDbType.Int).Value = Int32.Parse(txtID.Text); sqlite_cmd.Parameters.Add("@iPerson", SqlDbType.Int).Value = iUser; sqlite_cmd.Parameters.Add("@sRelationship", SqlDbType.Text).Value = sRelationship; try { sqlite_cmd.ExecuteNonQuery(); } catch (Exception ex) { throw new Exception(ex.Message); } LoadGuardians(); }