求助C# DataGridView 打印功能
求助C# DataGridView 打印功能．．．．．．．．．．．．．．．．
[解决办法]
using System;using System.Collections.Generic;using System.Windows.Forms;using System.Drawing;using System.Collections;using System.Data;using System.Text;namespace DGVPrinter{ class PrintDGV { private static StringFormat StrFormat; // Holds content of a TextBox Cell to write by DrawString private static StringFormat StrFormatComboBox; // Holds content of a Boolean Cell to write by DrawImage private static Button CellButton; // Holds the Contents of Button Cell private static CheckBox CellCheckBox; // Holds the Contents of CheckBox Cell private static ComboBox CellComboBox; // Holds the Contents of ComboBox Cell private static int TotalWidth; // Summation of Columns widths private static int RowPos; // Position of currently printing row private static bool NewPage; // Indicates if a new page reached private static int PageNo; // Number of pages to print private static ArrayList ColumnLefts = new ArrayList(); // Left Coordinate of Columns private static ArrayList ColumnWidths = new ArrayList(); // Width of Columns private static ArrayList ColumnTypes = new ArrayList(); // DataType of Columns private static int CellHeight; // Height of DataGrid Cell private static int RowsPerPage; // Number of Rows per Page private static System.Drawing.Printing.PrintDocument printDoc = new System.Drawing.Printing.PrintDocument(); // PrintDocumnet Object used for printing private static string PrintTitle = ""; // Header of pages private static DataGridView dgv; // Holds DataGridView Object to print its contents private static List<string> SelectedColumns = new List<string>(); // The Columns Selected by user to print. private static List<string> AvailableColumns = new List<string>(); // All Columns avaiable in DataGrid private static bool PrintAllRows = true; // True = print all rows, False = print selected rows private static bool FitToPageWidth = true; // True = Fits selected columns to page width , False = Print columns as showed private static int HeaderHeight = 0; public void Print_DataGridView(DataGridView dgv1) { PrintPreviewDialog ppvw; try { // Getting DataGridView object to print dgv = dgv1; // Getting all Coulmns Names in the DataGridView AvailableColumns.Clear(); foreach (DataGridViewColumn c in dgv.Columns) { if (!c.Visible) continue; AvailableColumns.Add(c.HeaderText); } // Showing the PrintOption Form PrintOptions dlg = new PrintOptions(AvailableColumns); if (dlg.ShowDialog() != DialogResult.OK) return; PrintTitle = dlg.PrintTitle; PrintAllRows = dlg.PrintAllRows; FitToPageWidth = dlg.FitToPageWidth; SelectedColumns = dlg.GetSelectedColumns(); RowsPerPage = 0; ppvw = new PrintPreviewDialog(); ppvw.Document = printDoc; // Showing the Print Preview Page printDoc.BeginPrint +=new System.Drawing.Printing.PrintEventHandler(PrintDoc_BeginPrint); printDoc.PrintPage +=new System.Drawing.Printing.PrintPageEventHandler(PrintDoc_PrintPage); if (ppvw.ShowDialog() != DialogResult.OK) { printDoc.BeginPrint -= new System.Drawing.Printing.PrintEventHandler(PrintDoc_BeginPrint); printDoc.PrintPage -= new System.Drawing.Printing.PrintPageEventHandler(PrintDoc_PrintPage); return; } // Printing the Documnet printDoc.Print(); printDoc.BeginPrint -= new System.Drawing.Printing.PrintEventHandler(PrintDoc_BeginPrint); printDoc.PrintPage -= new System.Drawing.Printing.PrintPageEventHandler(PrintDoc_PrintPage); } catch (Exception ex) { MessageBox.Show(ex.Message, "Error1", MessageBoxButtons.OK, MessageBoxIcon.Error); } finally { } }