2240037_WCSHSCP/WcfControlMonitorHost/FrmDeviceErrorLog.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 FrmDeviceErrorLog : Form
    {
        private static FrmDeviceErrorLog _formInstance;

        public static FrmDeviceErrorLog FormInstance
        {
            get 

            {
                if (_formInstance == null)
                {
                    _formInstance = new FrmDeviceErrorLog();
                    isFirstShow = false;
                }
                return _formInstance; 
            }
            set { _formInstance = value; }
        }
        DBOperator dbo = CStaticClass.dbo;
        static bool isFirstShow = false;//20130117
        public FrmDeviceErrorLog()
        {
            InitializeComponent();
            this.dateTimePickerBegin.Value = DateTime.Today;
            this.dateTimePickerEnd.Value = DateTime.Today;
            _formInstance = this;//20101028
        }

        private void btQuery_Click(object sender, EventArgs e)
        {
            try
            {
                string searchstr = string.Empty;

                if (this.cbField.Text.Trim().Length != 0 && this.tbContent.Text.Trim().Length != 0)
                {
                    searchstr = string.Format(" And {0} like '%{1}%'", cbField.Text.Trim(), tbContent.Text.Trim());
                }

                //string sql = "SELECT * FROM V_manage_task_bak WHERE (开始时间 >= '" + dateTimePicker1.Value.ToString("yyyy-MM-dd HH:mm:ss") + "') AND (开始时间 <= '" + dateTimePicker2.Value.AddDays(1).ToString("yyyy-MM-dd HH:mm:ss") + "')";
                string sql = string.Format("SELECT * FROM V_Device_Error_log WHERE (发生时间 >= '{0}') AND (发生时间 <= '{1}' {2})", dateTimePickerBegin.Value.ToString("yyyy-MM-dd HH:mm:ss"), dateTimePickerEnd.Value.AddDays(1).ToString("yyyy-MM-dd HH:mm:ss"), searchstr);

                DataView dv = dbo.ExceSQL(sql).Tables[0].DefaultView;

                this.dataGridView1.DataSource = dv;
                this.labelCounts.Text = string.Format("共{0}行", dv.Count);
            }
            catch(Exception ex )
            {
                MessageBox.Show(ex.Message, "异常提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        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设备的历史报警吗？", "操作提示：", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) != DialogResult.OK)
            {
                return;
            }
            dbo.ExceSQL("delete from T_Base_Device_Error_Log");
        }

        private void FrmDeviceErrorLog_Load(object sender, EventArgs e)
        {
            if (isFirstShow==false)
            {
                try
                {
                    DataView dvs = dbo.ExceSQL("Select name from syscolumns Where ID=OBJECT_ID('V_Device_Error_log') ORDER BY colorder").Tables[0].DefaultView;
                    //cbstartposition
                    cbField.ValueMember = "name";
                    cbField.DisplayMember = "name";
                    cbField.DataSource = dvs;
                    cbField.SelectedIndex = -1;
                    ////string sql = string.Format("Delete  from T_Manage_Task_BAK where FBEGTIME ='-' or ABS(datediff(day,FBEGTIME,getdate()))>{0}", CStaticClass.SaveDays);
                    ////dbo.ExceSQL(sql);
                    //string sql = string.Format("Delete  from T_Base_Device_Error_Log where ABS(datediff(day,CONVERT(varchar(19), F_DateTime),getdate()))>{0}", WcfControlMonitorLib.CStaticClass.SaveDays);
                    //dbo.ExceSQL(sql);
                    isFirstShow = true;
                }
                catch(Exception ex )
                {
                    throw ex;

                }
            }
        }
    }
}