清除空白行
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/// <summary> /// 清楚数据源中空白行 /// </summary> private DataSet RemoveNullRows(DataSet ds) { bool isNullRow = true; for (int i = ds.Tables[0].Rows.Count-1; i >= 0; i--) { for (int j = 0; j < ds.Tables[0].Columns.Count; j++) { if (ds.Tables[0].Rows[i][j] != null && ds.Tables[0].Rows[i][j].ToString() != "") { isNullRow = false; break; } } if (isNullRow == true) { ds.Tables[0].Rows.Remove(ds.Tables[0].Rows[i]); } isNullRow = true; } return ds; } //创建Excel 下载到本地protected void CreateExcel(DataSet ds, string filename) { StringBuilder strb = new StringBuilder(); strb.Append(" <html xmlns:o=\"urn:schemas-microsoft-com:office:office\""); strb.Append("xmlns:x=\"urn:schemas-microsoft-com:office:excel\""); strb.Append("xmlns=\"http://www.w3.org/TR/REC-html40\""); strb.Append(" <head> <meta http-equiv='Content-Type' content='text/html;charset=gb2312'>"); strb.Append(" <style>"); strb.Append(".xl26"); strb.Append(" {mso-style-parent:style0;"); strb.Append(" font-family:\"宋体\", serif;"); strb.Append(" mso-font-charset:0;"); strb.Append(" mso-number-format:\"@\";}"); strb.Append(" </style>"); strb.Append(" <xml>"); strb.Append(" <x:ExcelWorkbook>"); strb.Append(" <x:ExcelWorksheets>"); strb.Append(" <x:ExcelWorksheet>"); strb.Append(" <x:Name>Sheet1 </x:Name>"); strb.Append(" <x:WorksheetOptions>"); strb.Append(" <x:DefaultRowHeight>285 </x:DefaultRowHeight>"); strb.Append(" <x:Selected/>"); strb.Append(" <x:Panes>"); strb.Append(" <x:Pane>"); strb.Append(" <x:Number>3 </x:Number>"); strb.Append(" <x:ActiveCol>1 </x:ActiveCol>"); strb.Append(" </x:Pane>"); strb.Append(" </x:Panes>"); strb.Append(" <x:ProtectContents>False </x:ProtectContents>"); strb.Append(" <x:ProtectObjects>False </x:ProtectObjects>"); strb.Append(" <x:ProtectScenarios>False </x:ProtectScenarios>"); strb.Append(" </x:WorksheetOptions>"); strb.Append(" </x:ExcelWorksheet>"); strb.Append(" <x:WindowHeight>6750 </x:WindowHeight>"); strb.Append(" <x:WindowWidth>10620 </x:WindowWidth>"); strb.Append(" <x:WindowTopX>480 </x:WindowTopX>"); strb.Append(" <x:WindowTopY>75 </x:WindowTopY>"); strb.Append(" <x:ProtectStructure>False </x:ProtectStructure>"); strb.Append(" <x:ProtectWindows>False </x:ProtectWindows>"); strb.Append(" </x:ExcelWorkbook>"); strb.Append(" </xml>"); strb.Append(""); strb.Append(" </head> <body> <table align=\"center\" style='border-collapse:collapse;table-layout:fixed'> <tr>"); if (ds.Tables.Count > 0) { //写列标题 int columncount = ds.Tables[0].Columns.Count; DataTable dt = DS.Tables[0]; string[] allKeys = AllKeys.Split(','); string[] allValues = AllValues.Split(','); for (int i = 0; i < allKeys.Length; i++) { strb.Append(" <td> <b>" + allKeys[i] + " </b> </td>"); } strb.Append(" </tr>"); //写数据 foreach (DataRow row in dt.Rows) { strb.Append(" <tr>"); for (int i = 0; i < allValues.Length; i++) { strb.Append(" <td class='xl26'>" + row[allValues[i]].ToString().Trim() + " </td>"); } strb.Append(" </tr>"); } } strb.Append(" </body> </html>"); Response.Clear(); Response.Buffer = true; Response.Charset = "GB2312"; Response.AppendHeader("Content-Disposition", "attachment;filename=" + filename); Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); //设置输出流为简体中文 Response.ContentType = "application/ms-excel"; //设置输出文件类型为excel文件。 this.EnableViewState = false; Response.Write(strb); Response.End(); }
