在C#里实现DATAGRID的打印预览和打印

很多人都在论坛里问，如何实现DATAGRID的打印预览和打印，现在我就把这方面的源代码告诉大家。这段代码也花费了我1个晚上的时间，呵呵！数据库是基于sql server2000自带的northwind。源代码如下：

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;

namespace DataGridPrint
{
 /// <summary>
 /// Summary description for Form1.
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Panel panel1;
  private System.Windows.Forms.DataGrid dgTest;
  private System.Windows.Forms.Button btnFillDataGrid;
  private System.Windows.Forms.MainMenu mnuFile;
  private System.Windows.Forms.MenuItem menuItem1;
  private System.Windows.Forms.MenuItem miPrintPreview;
  private System.Windows.Forms.MenuItem miPrint;
  private System.Windows.Forms.MenuItem menuItem4;
  private System.Windows.Forms.MenuItem miExit;
  private System.Windows.Forms.DataGridTableStyle dgtsCustomers;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn1;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn2;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn3;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn4;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn6;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn7;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn8;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn9;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn10;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn11;
  private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn5;
  private System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
  private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
  private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
  private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
  private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
  private System.Data.SqlClient.SqlConnection sqlConnection1;
  /// <summary>
  /// Required designer variable.
  /// </summary>
  private System.ComponentModel.Container components = null;

public Form1()
  {
   //
   // Required for Windows Form Designer support
   //
   InitializeComponent();

//
   // TODO: Add any constructor code after InitializeComponent call
   //
  }

/// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

#region Windows Form Designer generated code
  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
   this.panel1 = new System.Windows.Forms.Panel();
   this.dgTest = new System.Windows.Forms.DataGrid();
   this.dgtsCustomers = new System.Windows.Forms.DataGridTableStyle();
   this.dataGridTextBoxColumn1 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn2 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn3 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn4 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn5 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn6 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn7 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn8 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn9 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn10 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.dataGridTextBoxColumn11 = new System.Windows.Forms.DataGridTextBoxColumn();
   this.btnFillDataGrid = new System.Windows.Forms.Button();
   this.mnuFile = new System.Windows.Forms.MainMenu();
   this.menuItem1 = new System.Windows.Forms.MenuItem();
   this.miPrintPreview = new System.Windows.Forms.MenuItem();
   this.miPrint = new System.Windows.Forms.MenuItem();
   this.menuItem4 = new System.Windows.Forms.MenuItem();
   this.miExit = new System.Windows.Forms.MenuItem();
   this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
   this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
   this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
   this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
   this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
   this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
   this.panel1.SuspendLayout();
   ((System.ComponentModel.ISupportInitialize)(this.dgTest)).BeginInit();
   this.SuspendLayout();
   //
   // panel1
   //
   this.panel1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
    | System.Windows.Forms.AnchorStyles.Left)
    | System.Windows.Forms.AnchorStyles.Right);
   this.panel1.Controls.AddRange(new System.Windows.Forms.Control[] {
                     this.dgTest});
   this.panel1.Location = new System.Drawing.Point(0, 9);
   this.panel1.Name = "panel1";
   this.panel1.Size = new System.Drawing.Size(788, 398);
   this.panel1.TabIndex = 1;
   //
   // dgTest
   //
   this.dgTest.DataMember = "";
   this.dgTest.Dock = System.Windows.Forms.DockStyle.Fill;
   this.dgTest.HeaderForeColor = System.Drawing.SystemColors.ControlText;
   this.dgTest.Name = "dgTest";
   this.dgTest.Size = new System.Drawing.Size(788, 398);
   this.dgTest.TabIndex = 0;
   this.dgTest.TableStyles.AddRange(new System.Windows.Forms.DataGridTableStyle[] {
                          this.dgtsCustomers});
   //
   // dgtsCustomers
   //
   this.dgtsCustomers.DataGrid = this.dgTest;
   this.dgtsCustomers.GridColumnStyles.AddRange(new System.Windows.Forms.DataGridColumnStyle[] {
                           this.dataGridTextBoxColumn1,
                           this.dataGridTextBoxColumn2,
                           this.dataGridTextBoxColumn3,
                           this.dataGridTextBoxColumn4,
                           this.dataGridTextBoxColumn5,
                           this.dataGridTextBoxColumn6,
                           this.dataGridTextBoxColumn7,
                           this.dataGridTextBoxColumn8,
                           this.dataGridTextBoxColumn9,
                           this.dataGridTextBoxColumn10,
                           this.dataGridTextBoxColumn11});
   this.dgtsCustomers.HeaderForeColor = System.Drawing.SystemColors.ControlText;
   this.dgtsCustomers.MappingName = "Customers";
   this.dgtsCustomers.ReadOnly = true;
   //
   // dataGridTextBoxColumn1
   //
   this.dataGridTextBoxColumn1.Format = "";
   this.dataGridTextBoxColumn1.FormatInfo = null;
   this.dataGridTextBoxColumn1.HeaderText = "Customer Id";
   this.dataGridTextBoxColumn1.MappingName = "CustomerId";
   this.dataGridTextBoxColumn1.NullText = "";
   this.dataGridTextBoxColumn1.Width = 75;
   //
   // dataGridTextBoxColumn2
   //
   this.dataGridTextBoxColumn2.Format = "";
   this.dataGridTextBoxColumn2.FormatInfo = null;
   this.dataGridTextBoxColumn2.HeaderText = "Company Name";
   this.dataGridTextBoxColumn2.MappingName = "CompanyName";
   this.dataGridTextBoxColumn2.NullText = "";
   this.dataGridTextBoxColumn2.Width = 200;
   //
   // dataGridTextBoxColumn3
   //
   this.dataGridTextBoxColumn3.Format = "";
   this.dataGridTextBoxColumn3.FormatInfo = null;
   this.dataGridTextBoxColumn3.HeaderText = "Contact Name";
   this.dataGridTextBoxColumn3.MappingName = "ContactName";
   this.dataGridTextBoxColumn3.NullText = "";
   this.dataGridTextBoxColumn3.Width = 125;
   //
   // dataGridTextBoxColumn4
   //
   this.dataGridTextBoxColumn4.Format = "";
   this.dataGridTextBoxColumn4.FormatInfo = null;
   this.dataGridTextBoxColumn4.HeaderText = "Contact Title";
   this.dataGridTextBoxColumn4.MappingName = "ContactTitle";
   this.dataGridTextBoxColumn4.NullText = "";
   this.dataGridTextBoxColumn4.Width = 170;
   //
   // dataGridTextBoxColumn5
   //
   this.dataGridTextBoxColumn5.Format = "";
   this.dataGridTextBoxColumn5.FormatInfo = null;
   this.dataGridTextBoxColumn5.HeaderText = "Address";
   this.dataGridTextBoxColumn5.MappingName = "Address";
   this.dataGridTextBoxColumn5.NullText = "";
   this.dataGridTextBoxColumn5.Width = 250;
   //
   // dataGridTextBoxColumn6
   //
   this.dataGridTextBoxColumn6.Format = "";
   this.dataGridTextBoxColumn6.FormatInfo = null;
   this.dataGridTextBoxColumn6.HeaderText = "City";
   this.dataGridTextBoxColumn6.MappingName = "City";
   this.dataGridTextBoxColumn6.NullText = "";
   this.dataGridTextBoxColumn6.Width = 150;
   //
   // dataGridTextBoxColumn7
   //
   this.dataGridTextBoxColumn7.Format = "";
   this.dataGridTextBoxColumn7.FormatInfo = null;
   this.dataGridTextBoxColumn7.HeaderText = "Region";
   this.dataGridTextBoxColumn7.MappingName = "Region";
   this.dataGridTextBoxColumn7.NullText = "";
   this.dataGridTextBoxColumn7.Width = 150;
   //
   // dataGridTextBoxColumn8
   //
   this.dataGridTextBoxColumn8.Format = "";
   this.dataGridTextBoxColumn8.FormatInfo = null;
   this.dataGridTextBoxColumn8.HeaderText = "Postal Code";
   this.dataGridTextBoxColumn8.MappingName = "PostalCode";
   this.dataGridTextBoxColumn8.NullText = "";
   this.dataGridTextBoxColumn8.Width = 150;
   //
   // dataGridTextBoxColumn9
   //
   this.dataGridTextBoxColumn9.Format = "";
   this.dataGridTextBoxColumn9.FormatInfo = null;
   this.dataGridTextBoxColumn9.HeaderText = "Country";
   this.dataGridTextBoxColumn9.MappingName = "Country";
   this.dataGridTextBoxColumn9.NullText = "";
   this.dataGridTextBoxColumn9.Width = 125;
   //
   // dataGridTextBoxColumn10
   //
   this.dataGridTextBoxColumn10.Format = "";
   this.dataGridTextBoxColumn10.FormatInfo = null;
   this.dataGridTextBoxColumn10.HeaderText = "Phone";
   this.dataGridTextBoxColumn10.MappingName = "Phone";
   this.dataGridTextBoxColumn10.NullText = "";
   this.dataGridTextBoxColumn10.Width = 125;
   //
   // dataGridTextBoxColumn11
   //
   this.dataGridTextBoxColumn11.Format = "";
   this.dataGridTextBoxColumn11.FormatInfo = null;
   this.dataGridTextBoxColumn11.HeaderText = "Fax";
   this.dataGridTextBoxColumn11.MappingName = "Fax";
   this.dataGridTextBoxColumn11.NullText = "";
   this.dataGridTextBoxColumn11.Width = 125;
   //
   // btnFillDataGrid
   //
   this.btnFillDataGrid.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
   this.btnFillDataGrid.Location = new System.Drawing.Point(645, 426);
   this.btnFillDataGrid.Name = "btnFillDataGrid";
   this.btnFillDataGrid.Size = new System.Drawing.Size(133, 28);
   this.btnFillDataGrid.TabIndex = 2;
   this.btnFillDataGrid.Text = "&Fill DataGrid";
   this.btnFillDataGrid.Click += new System.EventHandler(this.btnFillDataGrid_Click);
   //
   // mnuFile
   //
   this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                     this.menuItem1});
   //
   // menuItem1
   //
   this.menuItem1.Index = 0;
   this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                       this.miPrintPreview,
                       this.miPrint,
                       this.menuItem4,
                       this.miExit});
   this.menuItem1.Text = "&File";
   //
   // miPrintPreview
   //
   this.miPrintPreview.Index = 0;
   this.miPrintPreview.Text = "Print Pre&view";
   this.miPrintPreview.Click += new System.EventHandler(this.miPrintPreview_Click);
   //
   // miPrint
   //
   this.miPrint.Index = 1;
   this.miPrint.Text = "&Print";
   this.miPrint.Click += new System.EventHandler(this.miPrint_Click);
   //
   // menuItem4
   //
   this.menuItem4.Index = 2;
   this.menuItem4.Text = "-";
   //
   // miExit
   //
   this.miExit.Index = 3;
   this.miExit.Text = "E&xit";
   this.miExit.Click += new System.EventHandler(this.miExit_Click);
   //
   // sqlDataAdapter1
   //
   this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
   this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
   this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
   this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
                           new System.Data.Common.DataTableMapping("Table", "Customers", new System.Data.Common.DataColumnMapping[] {
                                                       new System.Data.Common.DataColumnMapping("CustomerID", "CustomerID"),
                                                       new System.Data.Common.DataColumnMapping("CompanyName", "CompanyName"),
                                                       new System.Data.Common.DataColumnMapping("ContactName", "ContactName"),
                                                       new System.Data.Common.DataColumnMapping("ContactTitle", "ContactTitle"),
                                                       new System.Data.Common.DataColumnMapping("Address", "Address"),
                                                       new System.Data.Common.DataColumnMapping("City", "City"),
                                                       new System.Data.Common.DataColumnMapping("Region", "Region"),
                                                       new System.Data.Common.DataColumnMapping("PostalCode", "PostalCode"),
                                                       new System.Data.Common.DataColumnMapping("Country", "Country"),
                                                       new System.Data.Common.DataColumnMapping("Phone", "Phone"),
                                                       new System.Data.Common.DataColumnMapping("Fax", "Fax")})});
   this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
   //
   // sqlSelectCommand1
   //
   this.sqlSelectCommand1.CommandText = "SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region," +
    " PostalCode, Country, Phone, Fax FROM Customers";
   this.sqlSelectCommand1.Connection = this.sqlConnection1;
   //
   // sqlInsertCommand1
   //
   this.sqlInsertCommand1.CommandText = @"INSERT INTO Customers(CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax) VALUES (@CustomerID, @CompanyName, @ContactName, @ContactTitle, @Address, @City, @Region, @PostalCode, @Country, @Phone, @Fax); SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)";
   this.sqlInsertCommand1.Connection = this.sqlConnection1;
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NVarChar, 5, "CustomerID"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, "CompanyName"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, "ContactName"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, "ContactTitle"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, "Address"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, "City"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, "Region"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, "PostalCode"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, "Country"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, "Phone"));
   this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, "Fax"));
   //
   // sqlUpdateCommand1
   //
   this.sqlUpdateCommand1.CommandText = @"UPDATE Customers SET CustomerID = @CustomerID, CompanyName = @CompanyName, ContactName = @ContactName, ContactTitle = @ContactTitle, Address = @Address, City = @City, Region = @Region, PostalCode = @PostalCode, Country = @Country, Phone = @Phone, Fax = @Fax WHERE (CustomerID = @Original_CustomerID) AND (Address = @Original_Address OR @Original_Address IS NULL AND Address IS NULL) AND (City = @Original_City OR @Original_City IS NULL AND City IS NULL) AND (CompanyName = @Original_CompanyName) AND (ContactName = @Original_ContactName OR @Original_ContactName IS NULL AND ContactName IS NULL) AND (ContactTitle = @Original_ContactTitle OR @Original_ContactTitle IS NULL AND ContactTitle IS NULL) AND (Country = @Original_Country OR @Original_Country IS NULL AND Country IS NULL) AND (Fax = @Original_Fax OR @Original_Fax IS NULL AND Fax IS NULL) AND (Phone = @Original_Phone OR @Original_Phone IS NULL AND Phone IS NULL) AND (PostalCode = @Original_PostalCode OR @Original_PostalCode IS NULL AND PostalCode IS NULL) AND (Region = @Original_Region OR @Original_Region IS NULL AND Region IS NULL); SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)";
   this.sqlUpdateCommand1.Connection = this.sqlConnection1;
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NVarChar, 5, "CustomerID"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, "CompanyName"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, "ContactName"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, "ContactTitle"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, "Address"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, "City"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, "Region"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, "PostalCode"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, "Country"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, "Phone"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, "Fax"));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CustomerID", System.Data.SqlDbType.NVarChar, 5, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CustomerID", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Address", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "City", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CompanyName", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactName", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactTitle", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Country", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Fax", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Phone", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "PostalCode", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Region", System.Data.DataRowVersion.Original, null));
   //
   // sqlDeleteCommand1
   //
   this.sqlDeleteCommand1.CommandText = @"DELETE FROM Customers WHERE (CustomerID = @Original_CustomerID) AND (Address = @Original_Address OR @Original_Address IS NULL AND Address IS NULL) AND (City = @Original_City OR @Original_City IS NULL AND City IS NULL) AND (CompanyName = @Original_CompanyName) AND (ContactName = @Original_ContactName OR @Original_ContactName IS NULL AND ContactName IS NULL) AND (ContactTitle = @Original_ContactTitle OR @Original_ContactTitle IS NULL AND ContactTitle IS NULL) AND (Country = @Original_Country OR @Original_Country IS NULL AND Country IS NULL) AND (Fax = @Original_Fax OR @Original_Fax IS NULL AND Fax IS NULL) AND (Phone = @Original_Phone OR @Original_Phone IS NULL AND Phone IS NULL) AND (PostalCode = @Original_PostalCode OR @Original_PostalCode IS NULL AND PostalCode IS NULL) AND (Region = @Original_Region OR @Original_Region IS NULL AND Region IS NULL)";
   this.sqlDeleteCommand1.Connection = this.sqlConnection1;
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CustomerID", System.Data.SqlDbType.NVarChar, 5, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CustomerID", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Address", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "City", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CompanyName", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactName", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactTitle", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Country", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Fax", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Phone", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "PostalCode", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Region", System.Data.DataRowVersion.Original, null));
   //
   // sqlConnection1
   //
   this.sqlConnection1.ConnectionString = "data source=QIEYJ;initial catalog=Northwind;persist security info=False;user id=s" +
    "a;workstation id=QIEYJ;packet size=4096";
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(788, 463);
   this.Controls.AddRange(new System.Windows.Forms.Control[] {
                    this.btnFillDataGrid,
                    this.panel1});
   this.Menu = this.mnuFile;
   this.Name = "Form1";
   this.Text = "DataGrid Print Sample";
   this.panel1.ResumeLayout(false);
   ((System.ComponentModel.ISupportInitialize)(this.dgTest)).EndInit();
   this.ResumeLayout(false);

}
  #endregion

/// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

private void btnFillDataGrid_Click(object sender, System.EventArgs e)
  {
   DataTable dt = new DataTable("Customers");
   try
   {   
    sqlDataAdapter1.Fill(dt); 
    dgTest.DataSource = dt; 
   }
   catch (System.Exception ex)
   {
    MessageBox.Show(this,ex.Message);
   }     
  }

private void miPrintPreview_Click(object sender, System.EventArgs e)
  {
   DataGridPrintDocument dpd = new DataGridPrintDocument(dgTest);
   dpd.ColumnHeaderFont=new Font("Arial",8,FontStyle.Bold);
   dpd.DefaultPageSettings.Landscape = true;  
   
   PrintPreviewDialog PrintPrevDlg=new PrintPreviewDialog();   
   PrintPrevDlg.Document = dpd;  
   PrintPrevDlg.ShowDialog(this);
  }

private void miPrint_Click(object sender, System.EventArgs e)
  {
    
   DataGridPrintDocument dpd = new DataGridPrintDocument(dgTest);
   dpd.DefaultPageSettings.Landscape = true;

PrintDialog PrintDlg=new PrintDialog();
   PrintDlg.Document = dpd;

DialogResult dlgresult=PrintDlg.ShowDialog(this);
   if (dlgresult==DialogResult.OK)
    dpd.Print();   
   
  }

private void miExit_Click(object sender, System.EventArgs e)
  {
   Application.Exit();
  }
 }
}