system.cs

人事管理系统

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 人事管理
{
    public partial class system : Form
    {
        data da = new data();
        public system()
        {
            InitializeComponent();
        }

        private void system_Load(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();
            SqlDataAdapter sqlda = new SqlDataAdapter("select * from SystemEventView", da.link());
            sqlda.Fill(ds, "SystemEvent");
            systemview.DataSource = ds.Tables["SystemEvent"];
            da.link().Close();
        }
        //查询
        private void selectbtn_Click(object sender, EventArgs e)
        {
            selectsystem selesy = new selectsystem();
            selesy.ShowDialog();
            DataSet ds = new DataSet();
            SqlDataAdapter sqlda = new SqlDataAdapter("select * from SystemEventView WHERE 事件发生时间 >= '" + selectsystem.aa + "' and 事件发生时间 <= '" + selectsystem.bb + "'", da.link());
            sqlda.Fill(ds, "SystemEvent");
            systemview.DataSource = ds.Tables["SystemEvent"];
            da.link().Close();
        }
        //确定
        private void yesbtn_Click(object sender, EventArgs e)
        {
            DialogResult sss = MessageBox.Show("请确认要退出!", "请确认要退出!", MessageBoxButtons.YesNo);
            if (sss == DialogResult.Yes)
            {
                this.Close();
            }
        }
    }
}