YCHY_CP/WcfControlMonitorHost/FrmBrowseAotoTaskLog.cs

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

using DBFactory;
namespace wcfControlMonitorClient
{
    /// <summary>
    /// Creator:Richard.liu
    /// 设备故障查询
    /// </summary>
    public partial class FrmBrowseAotoTaskLog : Form
    {
        private static FrmBrowseAotoTaskLog _formInstance;

        public static FrmBrowseAotoTaskLog FormInstance
        {
            get 

            {
                if (_formInstance == null)
                {
                    _formInstance = new FrmBrowseAotoTaskLog();
                }
                return _formInstance; 
            }
            set { _formInstance = value; }
        }
        DBOperator dbo =CStaticClass.dbo;
        public FrmBrowseAotoTaskLog()
        {
            InitializeComponent();
            this.dateTimePicker1.Value = DateTime.Today;
            this.dateTimePicker2.Value = DateTime.Today;
            _formInstance = this;
        }

        private void btQuery_Click(object sender, EventArgs e)
        {
            
            string sql = "SELECT * FROM T_Manage_Task_BAK WHERE (FBEGTIME >= '"+dateTimePicker1.Text+"') AND (FBEGTIME <= '"+dateTimePicker2.Text+"')";
            DataView dv = dbo.ExceSQL(sql).Tables[0].DefaultView;
            this.dataGridView1.DataSource = dv;

        }

        private void btNullQuery_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("您确认要清空数据库内记录的所有调度自动任务吗？", "操作提示：", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) != DialogResult.OK)
            {
                return;
            }
            dbo.ExceSQL("delete from T_Manage_Task_BAK");
        }

        private void FrmBrowseAotoTaskLog_FormClosing(object sender, FormClosingEventArgs e)
        {
            _formInstance = null;
        }

       
    }
}