traceform.cs

C++编写的房产中介管理系统

//文件名：TraceForm.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using System.Data.SqlClient;

namespace MyHouse
{
    public partial class TraceForm : Form
    {
        public TraceForm()
        {
            InitializeComponent();
        }

        private void 经纪跟进管理BindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.经纪跟进管理BindingSource.EndEdit();
            this.经纪跟进管理TableAdapter.Update(this.myHouseDataSet.经纪跟进管理);

        }

        private void TraceForm_Load(object sender, EventArgs e)
        {
            // TODO: 这行代码将数据加载到表“myHouseDataSet.经纪跟进管理”中。您可以根据需要移动或移除它。
            this.经纪跟进管理TableAdapter.Fill(this.myHouseDataSet.经纪跟进管理);
            String MySQLConnectionString = global::MyHouse.Properties.Settings.Default.MyHouseConnectionString;
            string MySQL = "Select * From 其他参数字典 Where 自编号='CQ001'";
            SqlConnection MyConnection = new SqlConnection(MySQLConnectionString);
            MyConnection.Open();
            DataTable MyHouseTable = new DataTable();
            SqlDataAdapter MyAdapter = new SqlDataAdapter(MySQL, MyConnection);
            MyAdapter.Fill(MyHouseTable);
            string MyName = "跟进方式";
            string MyValue = MyHouseTable.Rows[0][MyName].ToString();
            String[] MyDistData = MyValue.Split(new char[1] { '、' });
            foreach (String MyString in MyDistData)
            {
                this.跟进方式ComboBox.Items.Add(MyString);
            }
            MySQL = "Select * From 公司职员信息";
            DataTable MyPersonnelTable = new DataTable();
            MyAdapter = new SqlDataAdapter(MySQL, MyConnection);
            MyAdapter.Fill(MyPersonnelTable);
            MyName = "姓名";
            MyValue = MyPersonnelTable.Rows[0][MyName].ToString();
            foreach (DataRow MyRow in MyPersonnelTable.Rows)
            {
                this.经纪人ComboBox.Items.Add(MyRow[MyName].ToString());
            }

            if (MyConnection.State == ConnectionState.Open)
            {
                MyConnection.Close();
            }
        }

        private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e)
        {
            //自动计算自编号            
            String MySQLConnectionString = global::MyHouse.Properties.Settings.Default.MyHouseConnectionString;
            SqlConnection MyConnection = new SqlConnection(MySQLConnectionString);
            MyConnection.Open();
            string MySQL = "Select max(自编号) 自编号 From 经纪跟进管理";
            SqlCommand MyCommand = new SqlCommand(MySQL, MyConnection);
            object MyResult = MyCommand.ExecuteScalar();
            Int64 MyID = 1;
            if (MyResult != System.DBNull.Value)
            {
                String MyMaxID = MyResult.ToString().Trim();
                MyMaxID = MyMaxID.Substring(2, MyMaxID.Length - 2);
                MyID = Convert.ToInt64(MyMaxID) + 1;
            }
            int MyLength = MyID.ToString().Length;
            string MyNewID = "";
            switch (MyLength)
            {
                case 1:
                    MyNewID = "GJ0000000" + MyID.ToString();
                    break;
                case 2:
                    MyNewID = "GJ000000" + MyID.ToString();
                    break;
                case 3:
                    MyNewID = "GJ00000" + MyID.ToString();
                    break;
                case 4:
                    MyNewID = "GJ0000" + MyID.ToString();
                    break;
                case 5:
                    MyNewID = "GJ000" + MyID.ToString();
                    break;
                case 6:
                    MyNewID = "GJ00" + MyID.ToString();
                    break;
                case 7:
                    MyNewID = "GJ0" + MyID.ToString();
                    break;
            }
            this.自编号TextBox.Text = MyNewID;
        }
     
        private void 查询ToolStripButton_Click(object sender, EventArgs e)
        {
            try
            {
                this.经纪跟进管理TableAdapter.FillBy(this.myHouseDataSet.经纪跟进管理, 资料编号ToolStripTextBox.Text, 经纪人ToolStripTextBox.Text);
            }
            catch (System.Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
        }
    }
}