C#打印DataGridView的詳細代碼

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Drawing.Printing; using System.IO; namespace NetCsharp { /// /// 實現DataGridView的打印 /// public class PrintDataGridView { private static List CellPrintList = new List(); private static int printRowCount = 0; private static bool IsPrint = true; private static bool IsRole = true; private static int PoXTmp = 0; private static int PoYTmp = 0; private static int WidthTmp = 0; private static int HeightTmp = 0; private static int RowIndex = 0; /// /// 打印DataGridView控件 /// /// DataGridView控件 /// 是否包括列標題 /// 爲 System.Drawing.Printing.PrintDocument.PrintPage 事件提供數據。 /// 起始X座標 /// 起始Y座標 public static void Print(DataGridView dataGridView, bool includeColumnText, PrintPageEventArgs e, ref int PoX, ref int PoY) { try { if (PrintDataGridView.IsPrint) { PrintDataGridView.printRowCount = 0; PrintDataGridView.IsPrint = false; PrintDataGridView.DataGridViewCellVsList(dataGridView, includeColumnText); if (0 == PrintDataGridView.CellPrintList.Count) return; if (PoX > e.MarginBounds.Left) PrintDataGridView.IsRole = true; else PrintDataGridView.IsRole = false; PrintDataGridView.PoXTmp = PoX; PrintDataGridView.PoYTmp = PoY; PrintDataGridView.RowIndex = 0; WidthTmp = 0; HeightTmp = 0; } if (0 != PrintDataGridView.printRowCount) { if (IsRole) { PoX = PoXTmp = e.MarginBounds.Left; PoY = PoYTmp = e.MarginBounds.Top; } else { PoX = PoXTmp; PoY = PoYTmp; } } while (PrintDataGridView.printRowCount < PrintDataGridView.CellPrintList.Count) { DataGridViewCellPrint CellPrint = CellPrintList[PrintDataGridView.printRowCount]; if (RowIndex == CellPrint.RowIndex) PoX = PoX + WidthTmp; else { PoX = PoXTmp; PoY = PoY + HeightTmp; if (PoY + HeightTmp > e.MarginBounds.Bottom) { HeightTmp = 0; e.HasMorePages = true; return; } } using (SolidBrush solidBrush = new SolidBrush(CellPrint.BackColor)) { RectangleF rectF1 = new RectangleF(PoX, PoY, CellPrint.Width, CellPrint.Height); e.Graphics.FillRectangle(solidBrush, rectF1); using (Pen pen = new Pen(Color.Black, 1)) e.Graphics.DrawRectangle(pen, Rectangle.Round(rectF1)); solidBrush.Color = CellPrint.ForeColor; e.Graphics.DrawString(CellPrint.FormattedValue, CellPrint.Font, solidBrush, new Point(PoX + 2, PoY + 3)); } WidthTmp = CellPrint.Width; HeightTmp = CellPrint.Height; RowIndex = CellPrint.RowIndex; PrintDataGridView.printRowCount++; } PoY = PoY + HeightTmp; e.HasMorePages = false; PrintDataGridView.IsPrint = true; } catch { e.HasMorePages = false; PrintDataGridView.IsPrint = true; throw; } } /// /// 將DataGridView控件內容轉變到 CellPrintList /// /// DataGridView控件 /// 是否包括列標題 private static void DataGridViewCellVsList(DataGridView dataGridView, bool includeColumnText) { CellPrintList.Clear(); try { int rowsCount = dataGridView.Rows.Count; int colsCount = dataGridView.Columns.Count; //最後一行是供輸入的行時，不用讀數據。 if (dataGridView.Rows[rowsCount - 1].IsNewRow) rowsCount--; //包括列標題 if (includeColumnText) { for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++) { if (dataGridView.Columns[columnsIndex].Visible) { DataGridViewCellPrint CellPrint = new DataGridViewCellPrint(); CellPrint.FormattedValue = dataGridView.Columns[columnsIndex].HeaderText; CellPrint.RowIndex = 0; CellPrint.ColumnIndex = columnsIndex; CellPrint.Font = dataGridView.Columns[columnsIndex].HeaderCell.Style.Font; CellPrint.BackColor = dataGridView.ColumnHeadersDefaultCellStyle.BackColor; CellPrint.ForeColor = dataGridView.ColumnHeadersDefaultCellStyle.ForeColor; CellPrint.Width = dataGridView.Columns[columnsIndex].Width; CellPrint.Height = dataGridView.ColumnHeadersHeight; CellPrintList.Add(CellPrint); } } } //讀取單元格數據 for (int rowIndex = 0; rowIndex < rowsCount; rowIndex++) { for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++) { if (dataGridView.Columns[columnsIndex].Visible) { DataGridViewCellPrint CellPrint = new DataGridViewCellPrint(); CellPrint.FormattedValue = dataGridView.Rows[rowIndex].Cells[columnsIndex].FormattedValue.ToString(); if (includeColumnText) CellPrint.RowIndex = rowIndex + 1;//假如包括列標題則從行號1開始 else CellPrint.RowIndex = rowIndex; CellPrint.ColumnIndex = columnsIndex; CellPrint.Font = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.Font; System.Drawing.Color TmpColor = System.Drawing.Color.Empty; if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor) TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor; else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor) TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor; else TmpColor = dataGridView.DefaultCellStyle.BackColor; CellPrint.BackColor = TmpColor; TmpColor = System.Drawing.Color.Empty; if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor) TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor; else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor) TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor; else TmpColor = dataGridView.DefaultCellStyle.ForeColor; CellPrint.ForeColor = TmpColor; CellPrint.Width = dataGridView.Columns[columnsIndex].Width; CellPrint.Height = dataGridView.Rows[rowIndex].Height; CellPrintList.Add(CellPrint); } } } } catch { throw; } } private class DataGridViewCellPrint { private string _FormattedValue = ""; private int _RowIndex = -1; private int _ColumnIndex = -1; private System.Drawing.Color _ForeColor = System.Drawing.Color.Black; private System.Drawing.Color _BackColor = System.Drawing.Color.White; private int _Width = 100; private int _Height = 23; private System.Drawing.Font _Font = new System.Drawing.Font("宋體", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); /// /// 獲取或設置單元格的字體。 /// public System.Drawing.Font Font { set { if (null != value) _Font = value; } get { return _Font; } } /// /// 獲取爲顯示進行格式化的單元格的值。 /// public string FormattedValue { set { _FormattedValue = value; } get { return _FormattedValue; } } /// /// 獲取或設置列的當前寬度 （以像素爲單位）。默認值爲 100。 /// public int Width { set { _Width = value; } get { return _Width; } } /// /// 獲取或設置列標題行的高度（以像素爲單位）。默認值爲 23。 /// public int Height { set { _Height = value; } get { return _Height; } } /// /// 獲取或設置行號。 /// public int RowIndex { set { _RowIndex = value; } get { return _RowIndex; } } /// /// 獲取或設置列號。 /// public int ColumnIndex { set { _ColumnIndex = value; } get { return _ColumnIndex; } } /// /// 獲取或設置前景色。 /// public System.Drawing.Color ForeColor { set { _ForeColor = value; } get { return _ForeColor; } } /// /// 獲取或設置背景色。 /// public System.Drawing.Color BackColor { set { _BackColor = value; } get { return _BackColor; } } } } }

 

 

 

 

 

 

 

 

 

 

 

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