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componentart grid如何导出excel (c#)

componentart grid如何导出excel (c#)

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componentart grid如何导出excel (c#)

我给你段代码你试试可以不 注释写的已经很清楚了。 传入的参数是数据源和Excel文件的标题。不过这个是ASP.NET中用的,你可以根据自己的情况修改下///

/// 导出Excel /// /// 导出的数据表 /// Excel的标题 public void OutToExcel(System.Data.DataTable dt, string strsql) { DataView dv = dt.DefaultView; GC.Collect(); Excel.Application excel;// = new Application(); int rowIndex = 4; int colIndex = 1; _Workbook xBk; _Worksheet xSt; excel = new ApplicationClass(); xBk = excel.Workbooks.Add(true); xSt = (_Worksheet)xBk.ActiveSheet; // //取得标题 // foreach (DataColumn col in dv.Table.Columns) { colIndex++; excel.Cells[4, colIndex] = col.ColumnName; xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置标题格式为居中对齐 } // //取得表格中的数据 // foreach (DataRowView row in dv) { rowIndex++; colIndex = 1; foreach (DataColumn col in dv.Table.Columns) { colIndex++; if (col.DataType == System.Type.GetType("System.DateTime")) { excel.Cells[rowIndex, colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd"); xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐 } else if (col.DataType == System.Type.GetType("System.String")) { excel.Cells[rowIndex, colIndex] = "'" + row[col.ColumnName].ToString(); xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐 } else { excel.Cells[rowIndex, colIndex] = row[col.ColumnName].ToString(); } } } // //加载一个合计行 // int rowSum = rowIndex + 1; int colSum = 2; excel.Cells[rowSum, 2] = "合计"; xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, 2]).HorizontalAlignment = XlHAlign.xlHAlignCenter; // //设置选中的部分的颜色 // xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Select(); xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Interior.ColorIndex = 19;//设置为浅黄色,共计有56种 // //取得整个报表的标题 // excel.Cells[2, 2] = strsql; // //设置整个报表的标题格式 // xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Bold = true; xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Size = 22; // //设置报表表格为最适应宽度 // xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Select(); xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Columns.AutoFit(); // //设置整个报表的标题为跨列居中 // xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).Select(); xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).HorizontalAlignment = XlHAlign.xlHAlignCenterAcrossSelection; // //绘制边框 // xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Borders.LineStyle = 1; xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, 2]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗 xSt.get_Range(excel.Cells[4, 2], excel.Cells[4, colIndex]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置上边线加粗 xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[rowSum, colIndex]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗 xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, colIndex]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗 excel.Visible = true; //xSt.Export(Server.MapPath(".")+"\\"+this.xlfile.Text+".xls",SheetExportActionEnum.ssExportActionNone,Microsoft.Office/'>Office.Interop.OWC.SheetExportFormat.ssExportHTML); xBk.SaveCopyAs(Server.MapPath(".") + "\\" + this.ddlSurveyno.SelectedItem.Text.ToString() + ".xls"); dv = null; xBk.Close(false, null, null); excel.Quit(); System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk); System.Runtime.InteropServices.Marshal.ReleaseComObject(excel); System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt); xBk = null; excel = null; xSt = null; GC.Collect(); string path = Server.MapPath(this.ddlSurveyno.SelectedItem.Text.ToString() + ".xls"); System.IO.FileInfo file = new System.IO.FileInfo(path); Response.Clear(); Response.Charset = "GB2312"; Response.ContentEncoding = System.Text.Encoding.UTF8; // 添加头信息,为"文件下载/另存为"对话框指定默认文件名 Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(file.Name)); // 添加头信息,指定文件大小,让浏览器能够显示下载进度 Response.AddHeader("Content-Length", file.Length.ToString()); // 指定返回的是一个不能被客户端读取的流,必须被下载 Response.ContentType = "application/ms-excel"; // 把文件流发送到客户端 Response.WriteFile(file.FullName); // 停止页面的执行 Response.End(); }