C#應用winform簡略導出Excel的辦法。本站提示廣大學習愛好者:(C#應用winform簡略導出Excel的辦法)文章只能為提供參考,不一定能成為您想要的結果。以下是C#應用winform簡略導出Excel的辦法正文
本文實例講述了C#應用winform簡略導出Excel的辦法。分享給年夜家供年夜家參考,詳細以下:
using Excel;
在項目中引入Excel.dll
/// <summary> /// 導出Excel /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnExportExcel_Click(object sender, EventArgs e) { DataTable dt = this.dgvWaterTicket.DataSource; if (dt == null) { return; } if (dt.Rows.Count == 0) { return; } Excel.Application xlApp = new Excel.Application(); if (xlApp == null) { MessageBox.Show("請確保您的電腦曾經裝置Excel", "提醒信息", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } xlApp.UserControl = true; Excel.Workbooks workbooks = xlApp.Workbooks; //依據模版發生新的workbook //Workbook workbook = workbooks.Add("D:\\aa.xls"); Excel.Workbook workbook = workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet); Excel.Worksheet worksheet = (Excel.Worksheet)workbook.Worksheets[1];//獲得sheet1 if (worksheet == null) { MessageBox.Show("請確保您的電腦曾經裝置Excel", "提醒信息", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } try { Excel.Range range; long totalCount = dt.Rows.Count; long rowRead = 0; float percent = 0; worksheet.Cells[1, 1] = frm.Text;//導出的題目 worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, dt.]).MergeCells = true; //歸並單位格---列數 worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, 3]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;//居中對齊 worksheet.get_Range(worksheet.Cells[1, 3], worksheet.Cells[1, 3]).ColumnWidth = 15; //列寬 worksheet.get_Range(worksheet.Cells[1, 2], worksheet.Cells[1, 2]).ColumnWidth = 15; //列寬 worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, 1]).ColumnWidth = 20; //列寬 //寫入字段 for (int i = 0; i < dt.Columns.Count; i++) { worksheet.Cells[2, i + 1] = dt.Columns[i].ColumnName; range = (Excel.Range)worksheet.Cells[2, i + 1]; range.Interior.ColorIndex = 15; range.Font.Bold = true; } //寫入數值 for (int r = 0; r < dt.Rows.Count; r++) { for (int i = 0; i < dt.Columns.Count; i++) { worksheet.Cells[r + 3, i + 1] = dt.Rows[r][i]; } rowRead++; percent = ((float)(100 * rowRead)) / totalCount; //System.Threading.Thread.Sleep(500); //假如字的數目過量則主動換行。worksheet.Cells[r+1, 4]為worksheet.Cells[行, 列] worksheet.get_Range(worksheet.Cells[r + 3, 4], worksheet.Cells[r + 1, 4]).Columns.WrapText = true; //主動換行 worksheet.get_Range(worksheet.Cells[r + 3, 4], worksheet.Cells[r + 3, 4]).Rows.AutoFit(); //主動加行高 //this.Text = "導出數據[" + percent.ToString("0.00") + "%]..."; } range = worksheet.get_Range(worksheet.Cells[2, 1], worksheet.Cells[dt.Rows.Count + 2, dt.Columns.Count]); range.BorderAround(Excel.XlLineStyle.xlContinuous, Excel.XlBorderWeight.xlThin, Excel.XlColorIndex.xlColorIndexAutomatic, null); range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].ColorIndex = Excel.XlColorIndex.xlColorIndexAutomatic; range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Excel.XlLineStyle.xlContinuous; range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].Weight = Excel.XlBorderWeight.xlThin; if (dt.Columns.Count > 1) { range.Borders[Excel.XlBordersIndex.xlInsideVertical].ColorIndex = Excel.XlColorIndex.xlColorIndexAutomatic; range.Borders[Excel.XlBordersIndex.xlInsideVertical].LineStyle = Excel.XlLineStyle.xlContinuous; range.Borders[Excel.XlBordersIndex.xlInsideVertical].Weight = Excel.XlBorderWeight.xlThin; } xlApp.Visible = true; } catch { MessageBox.Show("到出Excel掉敗!", "提醒信息", MessageBoxButtons.OK, MessageBoxIcon.Error); } finally { System.Runtime.InteropServices.Marshal.ReleaseComObject(worksheet); System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook); System.Runtime.InteropServices.Marshal.ReleaseComObject(workbooks); System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp); //KillProcess("Excel"); GC.Collect();//強行燒毀 } }
願望本文所述對年夜家C#法式設計有所贊助。