SjMes/PunchAndWeld/FrmTest.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DBUtility;
using gregn6Lib;


namespace PunchAndWeld
{
    public partial class FrmTest : Form
    {
        private string ConnectionString = "";
        private GridppReport Report = new GridppReport();

        public FrmTest()
        {
            InitializeComponent();
        }

        private void FrmTest_Load(object sender, EventArgs e)
        {
            try
            {
                ConnectionString = SqlHelper.SqlConnString;
                SqlStart();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }

        private void SqlStart()
        {
            try
            {

                SqlDependency.Start(ConnectionString);//调用SqlDependency.Start(String strConnectionString)方法，在应用程序端启用依赖监听器。
                SqlDependencyWatch();
                //RefreshTable();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }

        /* 建立SQL监控 */
        private void SqlDependencyWatch()
        {
            string sSQL = "SELECT [ToVisual] FROM [dbo].[tb_aa]";

            using (SqlConnection connection = new SqlConnection(ConnectionString))
            {
                using (SqlCommand command = new SqlCommand(sSQL, connection))
                {
                    command.CommandType = CommandType.Text;
                    connection.Open();
                    SqlDependency dependency = new SqlDependency(command);
                    dependency.OnChange += new OnChangeEventHandler(SQLTableOnChange);
                    SqlDataReader sdr = command.ExecuteReader();
                }
            }

        }

        private void SQLTableOnChange(object sender, SqlNotificationEventArgs e)
        {
            SqlDependencyWatch();
            show();
        }

        public delegate void Print();

        public event Print OnClick;

        private void show()
        {
            try
            {
                string sSQL = "SELECT top 1 * from  [dbo].[tb_aa] where ToVisual=0 order by id";

                //DataTable dt = new DataTable();
                //using (SqlConnection connection = new SqlConnection(ConnectionString))
                //{
                //    connection.Open();
                //    using (SqlCommand cmd = new SqlCommand(sSQL, connection))
                //    {
                //        using (SqlDataAdapter dr = new SqlDataAdapter(sSQL, connection))
                //        {
                //            dr.Fill(dt);
                //            string aa = dt.Rows[0]["ID"].ToString();
                //            this.Invoke((EventHandler)(delegate { textBox1.Text = aa; }));
                //        }
                //    }
                //}

                string path = "D:\\aaa.grf";
                this.Invoke((EventHandler)(delegate
                {
                    Report.Register("");
                    Report.LoadFromFile(path);
                    Report.Initialize += new _IGridppReportEvents_InitializeEventHandler(ReportInitialize);
;
                    Report.Print(false);
                }));
                
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            

        }

        private void ReportInitialize()
        {
            Report.ParameterByName("zcPartNo").Value = "111";
            Report.ParameterByName("zcName").Value = "X247门槛";
        }


        
    }
}