将DataTable导出为Excel C#

耗尽温柔 提交于 2020-08-11 04:32:23


/// <summary> /// 导出Excel /// </summary> /// <param name="dt">DataTable</param> protected void ExportExcel(DataTable dt) { if (dt == null || dt.Rows.Count == 0) return; Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application(); if (xlApp == null) { return; } System.Globalization.CultureInfo CurrentCI = System.Threading.Thread.CurrentThread.CurrentCulture; System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US"); Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks; Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet); Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1]; Microsoft.Office.Interop.Excel.Range range; long totalCount = dt.Rows.Count; long rowRead = 0; float percent = 0; for (int i = 0; i < dt.Columns.Count; i++) { worksheet.Cells[1, i + 1] = dt.Columns[i].ColumnName; range = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[1, i + 1]; range.Interior.ColorIndex = 15; range.Font.Bold = true; } for (int r = 0; r < dt.Rows.Count; r++) { for (int i = 0; i < dt.Columns.Count; i++) { worksheet.Cells[r + 2, i + 1] = dt.Rows[r][i].ToString(); } rowRead++; percent = ((float)(100 * rowRead)) / totalCount; } xlApp.Visible = true; }

 搞后感:

必须要添加:
Microsoft.Office.Interop.Excel.dll
并且如果自己添加的office.dll版本和Microsoft.Office.Interop.Excel.dll要求的版本不一样会报错,所以不用添加office.dll,编译的时候会生成.
还有就是用这种方法的话,服务器必须安装excel?
反正设置特别麻烦···
表示后来我的导出excel还是没有用这种方法来搞
有意向的继续看我的NPOI导出excel部分的博客···
o(^▽^)o

 

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