private void XtraForm1_Load(object sender, EventArgs e) { comboBoxEdit1.Properties.Items.Clear(); comboBoxEdit5.Properties.Items.Clear(); comboBoxEdit8.Properties.Items.Clear(); ComboxData data51 = new ComboxData { Text = "串口通信", Value = "1" }; ComboxData data52 = new ComboxData { Text = "TCP通信", Value = "0" }; comboBoxEdit5.Properties.Items.Add(data51); comboBoxEdit5.Properties.Items.Add(data52); ComboxData data81 = new ComboxData { Text = "开启", Value = "0" }; ComboxData data82 = new ComboxData { Text = "关闭", Value = "1" }; comboBoxEdit8.Properties.Items.Add(data81); comboBoxEdit8.Properties.Items.Add(data82); string sql = "select * from project"; DataTable dt = common.MySqlHelper.GetDataSet(sql, null).Tables[0]; for (int i = 0; i < dt.Rows.Count; i++) { ComboxData data = new ComboxData { Text = dt.Rows[i].ItemArray[1].ToString(), Value = dt.Rows[i].ItemArray[0].ToString() }; comboBoxEdit1.Properties.Items.Add(data); } if (comboBoxEdit1.Properties.Items.Count > 0) { comboBoxEdit1.SelectedItem = comboBoxEdit1.Properties.Items[0]; } }
private void LineForm_Load(object sender, EventArgs e) { comboBoxEdit1.Properties.Items.Clear(); string sql = "select * from project"; DataTable dt = common.MySqlHelper.GetDataSet(sql, null).Tables[0]; for (int i = 0; i < dt.Rows.Count; i++) { ComboxData data = new ComboxData { Text = dt.Rows[i].ItemArray[1].ToString(), Value = dt.Rows[i].ItemArray[0].ToString() }; comboBoxEdit1.Properties.Items.Add(data); } if (comboBoxEdit1.Properties.Items.Count > 0) { comboBoxEdit1.SelectedItem = comboBoxEdit1.Properties.Items[0]; } }
private void comboBoxEdit1_SelectedIndexChanged(object sender, EventArgs e) { comboBoxEdit2.Properties.Items.Clear(); MySqlParameter project_id = new MySqlParameter("@project_id", MySqlDbType.Int32) { Value = (comboBoxEdit1.SelectedItem as ComboxData).Value }; string sql = "select * from monitorline where project_id = ?"; DataTable dt = common.MySqlHelper.GetDataSet(sql, project_id).Tables[0]; for (int i = 0; i < dt.Rows.Count; i++) { ComboxData data = new ComboxData { Text = dt.Rows[i].ItemArray[1].ToString(), Value = dt.Rows[i].ItemArray[0].ToString() }; comboBoxEdit2.Properties.Items.Add(data); } if (comboBoxEdit2.Properties.Items.Count > 0) { comboBoxEdit2.SelectedItem = comboBoxEdit2.Properties.Items[0]; } }