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SQL

MainForm.cs：源码内容

							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;
using Microsoft.AnalysisServices.AdomdClient;
namespace BookSellPredict
{
    public partial class MainForm : Form
    {
        protected SqlConnection _connDatabase;
        protected AdomdConnection _connAnalysis;
        public MainForm()
        {
            InitializeComponent();
        }
        private void MainForm_Load(object sender, EventArgs e)
        {
            _connDatabase = new SqlConnection("Data Source=(local); Initial Catalog=BookSell; Integrated Security=true");
            _connAnalysis = new AdomdConnection("Data Source=(local); Initial Catalog=BookSellAnalysis;");
            try
            {
                _connDatabase.Open();
                _connAnalysis.Open();
            }
            catch (Exception exp)
            {
                MessageBox.Show("数据连接错误:" + exp.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.Close();
            }
        }
        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (_connDatabase != null && _connDatabase.State != ConnectionState.Closed)
                _connDatabase.Close();
            if (_connAnalysis != null && _connAnalysis.State != ConnectionState.Closed)
                _connAnalysis.Close();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            CustomerAnalysisForm frm1 = new CustomerAnalysisForm(_connDatabase, _connAnalysis);
            frm1.ShowDialog();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            BookAnalysisForm frm1 = new BookAnalysisForm(_connDatabase, _connAnalysis);
            frm1.ShowDialog();
        }
    }
}

						