• DataGrid的打印预览和打印


    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();
      }
     }
    }

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  • 原文地址:https://www.cnblogs.com/taofx/p/4137647.html
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