很多人都在論壇里問(wèn)，如何實(shí)現(xiàn)DATAGRID的打印預(yù)覽和打印，現(xiàn)在我就把這方面的源代碼告訴大家。這段代碼也花費(fèi)了我1個(gè)晚上的時(shí)間，呵呵！數(shù)據(jù)庫(kù)是基于sql server2000自帶的northwind。源代碼如下：

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();
??}
?}
}