mes-client/UAS-出货标签管理(贸易版)/ChangeMaster.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using UAS_LabelMachine.Entity;

namespace UAS_LabelMachine
{
    public partial class ChangeMaster : Form
    {

        DataHelper dh = SystemInf.dh;

        SqliteDBHelper sdh;
        DataTable Masterdt;
        public ChangeMaster()
        {
            InitializeComponent();
        }

        private void ChangeMaster_Load(object sender, EventArgs e)
        {
            Masterdt = (DataTable)dh.ExecuteSql("select ma_function,ms_pwd,ma_user from master ", "select");
            MasterCombox.DisplayMember = "ma_function";
            MasterCombox.ValueMember = "ma_user";
            MasterCombox.DataSource = Masterdt;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string Ms_Pwd = "";
            for (int i = 0; i < Masterdt.Rows.Count; i++)
            {
                if (MasterCombox.SelectedValue == Masterdt.Rows[i]["ma_user"])
                    Ms_Pwd = Masterdt.Rows[i]["ms_pwd"].ToString();
            }
            //切换至用户选择的数据源
            string ConnectionString = "Connection Timeout=0;Pooling=false;Password=" + Ms_Pwd + ";User ID=" + MasterCombox.SelectedValue.ToString() + ";Pooling=false;Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=" + SystemInf.IP + ")(PORT=" + DataHelper.OraclePort + ")))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));";
            DataHelper.DBConnectionString = ConnectionString;
            //设置当前账套
            SystemInf.Master = MasterCombox.SelectedValue.ToString();
            SystemInf.sdh = sdh = new SqliteDBHelper(SystemInf.Master + ".db3");
            SystemInf.MasterName = MasterCombox.Text;
            //设置了Connection，重新执行构造函数，重置数据库连接
            dh = new DataHelper();
            Close();
        }
    }
}