将 GridView 中的内容导出到 Excel 中多个工作表（Sheet） 的方法
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将 GridView 中的内容导出到 Excel 中多个工作表（Sheet） 的方法
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Excel 可以保存成?xml 格式，并且支持Sheet功能，因此，我們就可以利用這個功能將 Gridview 導出到多個 Sheet? 中去。而且可以很好地控制導出的格式。下面就是完整的代碼（注意：本站的代碼都是可以直接復制、保存成aspx文件運行的。）：
?
ASPX 代碼?
??1?<%@?Page?Language="C#"?EnableViewState="true"?%>??2?
??3?<!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
??4?
??5?<script?runat="server">
??6?
??7???protected?void?Page_Load(object?sender,?EventArgs?e)
??8???{
??9?????if?(!Page.IsPostBack)
?10?????{
?11???????System.Data.DataTable?dt?=?new?System.Data.DataTable();
?12???????System.Data.DataRow?dr;
?13???????dt.Columns.Add(new?System.Data.DataColumn("學生班級",?typeof(System.String)));
?14???????dt.Columns.Add(new?System.Data.DataColumn("學生姓名",?typeof(System.String)));
?15???????dt.Columns.Add(new?System.Data.DataColumn("語文",?typeof(System.Decimal)));
?16???????dt.Columns.Add(new?System.Data.DataColumn("數學",?typeof(System.Decimal)));
?17???????dt.Columns.Add(new?System.Data.DataColumn("英語",?typeof(System.Decimal)));
?18???????dt.Columns.Add(new?System.Data.DataColumn("計算機",?typeof(System.Decimal)));
?19???????System.Random?rd?=?new?System.Random();
?20???????for?(int?i?=?0;?i?<?88;?i++)
?21???????{
?22?????????dr?=?dt.NewRow();
?23?????????dr[0]?=?"班級"?+?i.ToString();
?24?????????dr[1]?=?"【孟子E章】"?+?i.ToString();
?25?????????dr[2]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?26?????????dr[3]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?27?????????dr[4]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?28?????????dr[5]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?29?????????dt.Rows.Add(dr);
?30???????}
?31???????GridView1.DataSource?=?dt;
?32???????GridView1.DataBind();
?33?????}
?34???}
?35?
?36???protected?void?Button1_Click(object?sender,?EventArgs?e)
?37???{
?38?????//假如每10條數據放在一個?Sheet?里面，先計算需要多少個?Sheet
?39?????int?ItenCountPerSheet?=?10;
?40?????int?SheetCount?=?Convert.ToInt32(Math.Ceiling((double)GridView1.Rows.Count?/?ItenCountPerSheet));
?41?
?42?????String?ExportFileName?=?"孟憲會Excel表格測試";
?43?????if?(Request.Browser.Browser.IndexOf("MSIE")?>?-1)
?44?????{
?45???????ExportFileName?=?Server.UrlEncode(ExportFileName);
?46?????}
?47?????Response.ClearContent();
?48?????Response.BufferOutput?=?true;
?49?????Response.Charset?=?"utf-8";
?50?????Response.ContentType?=?"text/xml";
?51?????Response.ContentEncoding?=?System.Text.Encoding.UTF8;
?52?????Response.AppendHeader("Content-Disposition",?"attachment;filename="?+?ExportFileName?+?".xls");
?53?????//?采用下面的格式，將兼容?Excel?2003,Excel?2007,?Excel?2010。
?54?????//?Response.AppendHeader("Content-Disposition",?"attachment;filename="+Server.UrlEncode("孟憲會Excel表格測試")+".xml");
?55?????Response.Write("<?xml?version='1.0'?><?mso-application?progid='Excel.Sheet'?>");
?56?????Response.Write(@"\r\n<Workbook?xmlns='urn:schemas-microsoft-com:office:spreadsheet'?
?57???????xmlns:o='urn:schemas-microsoft-com:office:office'?xmlns:x='urn:schemas-microsoft-com:office:excel'?
?58???????xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet'?xmlns:html='http://www.w3.org/TR/REC-html40'>");
?59?????Response.Write(@"\r\n<DocumentProperties?xmlns='urn:schemas-microsoft-com:office:office'>");
?60?????Response.Write(@"\r\n<Author>孟憲會</Author><LastAuthor>孟子E章</LastAuthor>
?61???????????<Created>2010-09-08T14:07:11Z</Created><Company>mxh</Company><Version>1990</Version>");
?62?????Response.Write("\r\n</DocumentProperties>");
?63?????Response.Write(@"\r\n<Styles><Style?ss:ID='Default'?ss:Name='Normal'><Alignment?ss:Vertical='Center'/>
?64???????<Borders/><Font?ss:FontName='宋體'?x:CharSet='134'?ss:Size='12'/><Interior/><NumberFormat/><Protection/></Style>");
?65?????//定義標題樣式????
?66?????Response.Write(@"<Style?ss:ID='Header'><Borders><Border?ss:Position='Bottom'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?67????????<Border?ss:Position='Left'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?68????????<Border?ss:Position='Right'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?69????????<Border?ss:Position='Top'?ss:LineStyle='Continuous'?ss:Weight='1'/></Borders>
?70????????<Font?ss:FontName='宋體'?x:CharSet='134'?ss:Size='18'?ss:Color='#FF0000'?ss:Bold='1'/></Style>");
?71?????
?72?????//定義邊框
?73?????Response.Write(@"<Style?ss:ID='border'><NumberFormat?ss:Format='@'/><Borders>
?74???????<Border?ss:Position='Bottom'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?75???????<Border?ss:Position='Left'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?76???????<Border?ss:Position='Right'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?77???????<Border?ss:Position='Top'?ss:LineStyle='Continuous'?ss:Weight='1'/></Borders></Style>");
?78???????
?79?????Response.Write("</Styles>");
?80?
?81?
?82?????for?(int?i?=?0;?i?<?SheetCount;?i++)
?83?????{
?84???????//計算該?Sheet?中的數據起始行和結束行。
?85???????int?start?=?ItenCountPerSheet?*?i;
?86???????int?end?=?ItenCountPerSheet?*?(i?+?1);
?87???????if?(end?>?GridView1.Rows.Count)?end?=?GridView1.Rows.Count;
?88?????
?89???????Response.Write("\r\n<Worksheet?ss:Name='Sheet"?+?(i+1)?+?"'>");
?90???????Response.Write("\r\n<Table?x:FullColumns='1'?x:FullRows='1'>");
?91???????//輸出標題
?92?
?93???????Response.Write("\r\n<Row?ss:AutoFitHeight='1'>");
?94?????????for?(int?j?=?0;?j?<?GridView1.HeaderRow.Cells.Count;?j++)
?95?????????{
?96???????????Response.Write("<Cell?ss:StyleID='Header'><Data?ss:Type='String'>"?+?GridView1.HeaderRow.Cells[j].Text?+?"</Data></Cell>");
?97?????????}
?98???????????Response.Write("\r\n</Row>");
?99?
100????????for?(int?j?=?start;?j?<?end;?j++)
101?????????{
102???????????Response.Write("\r\n<Row>");
103???????????for?(int?c?=?0;?c?<?GridView1.HeaderRow.Cells.Count;?c++)
104???????????{
105?????????????//對于數字，采用Number數字類型
106?????????????if?(c?>?1)
107?????????????{
108???????????????Response.Write("<Cell?ss:StyleID='border'><Data?ss:Type='Number'>"?+?GridView1.Rows[j].Cells[c].Text?+?"</Data></Cell>");
109?????????????}
110?????????????else
111?????????????{
112???????????????Response.Write("<Cell?ss:StyleID='border'><Data?ss:Type='String'>"?+?GridView1.Rows[j].Cells[c].Text?+?"</Data></Cell>");
113?????????????}
114???????????}
115?????????????Response.Write("\r\n</Row>");
116?????????}
117???????Response.Write("\r\n</Table>");
118???????Response.Write("\r\n</Worksheet>");
119???????Response.Flush();
120?????}
121?????Response.Write("\r\n</Workbook>");
122?????Response.End();
123???}
124?
125?</script>
126?
127?<html?xmlns="http://www.w3.org/1999/xhtml">
128?<head?runat="server">
129???<title></title>
130?</head>
131?<body>
132???<form?id="form1"?runat="server">
133???<asp:Button?ID="Button1"?runat="server"?OnClick="Button1_Click"?Text="導出測試"?/>
134???<asp:GridView?ID="GridView1"?runat="server">
135???</asp:GridView>
136???</form>
137?</body>
138?</html>
?
另外，請注意：代碼里面添加了\r\n換行，是為了生成出來的xml格式有換行，實際可以不用。
如果是DataTable，DataSet，可以直接導出成文件。下面是完整的源代碼：
C# 代碼 ??1??protected?void?Page_Load(object?sender,?EventArgs?e)??2???{
??3?????//?下面采用的是DataTable，也可以采用DataSet，其中每個DataTable可以保存成一個?Sheet
??4?????//?迅雷下載時可以在下載完畢后會自動把文件名更新成?xls?或者?xml?的。
??5?????System.Data.DataTable?dt?=?new?System.Data.DataTable();
??6?????if?(!Page.IsPostBack)
??7?????{
??8???????System.Data.DataRow?dr;
??9???????dt.Columns.Add(new?System.Data.DataColumn("學生班級",?typeof(System.String)));
?10???????dt.Columns.Add(new?System.Data.DataColumn("學生姓名",?typeof(System.String)));
?11???????dt.Columns.Add(new?System.Data.DataColumn("語文",?typeof(System.Decimal)));
?12???????dt.Columns.Add(new?System.Data.DataColumn("數學",?typeof(System.Decimal)));
?13???????dt.Columns.Add(new?System.Data.DataColumn("英語",?typeof(System.Decimal)));
?14???????dt.Columns.Add(new?System.Data.DataColumn("計算機",?typeof(System.Decimal)));
?15???????System.Random?rd?=?new?System.Random();
?16???????for?(int?i?=?0;?i?<?88;?i++)
?17???????{
?18?????????dr?=?dt.NewRow();
?19?????????dr[0]?=?"班級"?+?i.ToString();
?20?????????dr[1]?=?"【孟子E章】"?+?i.ToString();
?21?????????dr[2]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?22?????????dr[3]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?23?????????dr[4]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?24?????????dr[5]?=?System.Math.Round(rd.NextDouble()?*?100,?0);
?25?????????dt.Rows.Add(dr);
?26???????}
?27?????}
?28?
?29?????//假如每10條數據放在一個?Sheet?里面，先計算需要多少個?Sheet
?30?????int?ItenCountPerSheet?=?10;
?31?????int?SheetCount?=?Convert.ToInt32(Math.Ceiling((double)dt.Rows.Count?/?ItenCountPerSheet));
?32?????Response.ClearContent();
?33?????Response.BufferOutput?=?true;
?34?????Response.Charset?=?"utf-8";
?35?????Response.ContentType?=?"application/ms-excel";
?36?????Response.AddHeader("Content-Transfer-Encoding",?"binary");
?37?????Response.ContentEncoding?=?System.Text.Encoding.UTF8;
?38?????//Response.AppendHeader("Content-Disposition",?"attachment;filename="+Server.UrlEncode("孟憲會Excel表格測試")+".xls");
?39?????//?采用下面的格式，將兼容?Excel?2003,Excel?2007,?Excel?2010。
?40?
?41?????String?FileName?=?"孟憲會Excel表格測試";
?42?????if?(!String.IsNullOrEmpty(Request.UserAgent))
?43?????{
?44???????//?firefox?里面文件名無需編碼。
?45???????if?(!(Request.UserAgent.IndexOf("Firefox")?>?-1?&&?Request.UserAgent.IndexOf("Gecko")?>?-1))
?46???????{
?47?????????FileName?=?Server.UrlEncode(FileName);
?48???????}
?49?????}
?50?????Response.AppendHeader("Content-Disposition",?"attachment;filename="?+?FileName?+?".xml");
?51?????Response.Write("<?xml?version='1.0'?><?mso-application?progid='Excel.Sheet'?>");
?52?????Response.Write(@"<Workbook?xmlns='urn:schemas-microsoft-com:office:spreadsheet'
?53???????xmlns:o='urn:schemas-microsoft-com:office:office'?xmlns:x='urn:schemas-microsoft-com:office:excel'
?54???????xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet'?xmlns:html='http://www.w3.org/TR/REC-html40'>");
?55?????Response.Write(@"<DocumentProperties?xmlns='urn:schemas-microsoft-com:office:office'>");
?56?????Response.Write(@"<Author>孟憲會</Author><LastAuthor>孟子E章</LastAuthor>
?57???????????<Created>2010-09-08T14:07:11Z</Created><Company>mxh</Company><Version>1990</Version>");
?58?????Response.Write("</DocumentProperties>");
?59?????Response.Write(@"<Styles><Style?ss:ID='Default'?ss:Name='Normal'><Alignment?ss:Vertical='Center'/>
?60???????<Borders/><Font?ss:FontName='宋體'?x:CharSet='134'?ss:Size='12'/><Interior/><NumberFormat/><Protection/></Style>");
?61?????//定義標題樣式????
?62?????Response.Write(@"<Style?ss:ID='Header'><Borders><Border?ss:Position='Bottom'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?63????????<Border?ss:Position='Left'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?64????????<Border?ss:Position='Right'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?65????????<Border?ss:Position='Top'?ss:LineStyle='Continuous'?ss:Weight='1'/></Borders>
?66????????<Font?ss:FontName='宋體'?x:CharSet='134'?ss:Size='18'?ss:Color='#FF0000'?ss:Bold='1'/></Style>");
?67?
?68?????//定義邊框
?69?????Response.Write(@"<Style?ss:ID='border'><NumberFormat?ss:Format='@'/><Borders>
?70???????<Border?ss:Position='Bottom'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?71???????<Border?ss:Position='Left'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?72???????<Border?ss:Position='Right'?ss:LineStyle='Continuous'?ss:Weight='1'/>
?73???????<Border?ss:Position='Top'?ss:LineStyle='Continuous'?ss:Weight='1'/></Borders></Style>");
?74?
?75?????Response.Write("</Styles>");
?76?
?77?????//SheetCount代表生成的?Sheet?數目。
?78?????for?(int?i?=?0;?i?<?SheetCount;?i++)
?79?????{
?80???????//計算該?Sheet?中的數據起始行和結束行。
?81???????int?start?=?ItenCountPerSheet?*?i;
?82???????int?end?=?ItenCountPerSheet?*?(i?+?1);
?83???????if?(end?>?dt.Rows.Count)?end?=?dt.Rows.Count;
?84?
?85???????Response.Write("<Worksheet?ss:Name='Sheet"?+?(i?+?1)?+?"'>");
?86???????Response.Write("<Table?x:FullColumns='1'?x:FullRows='1'>");
?87?
?88???????//輸出標題
?89???????Response.Write("\r\n<Row?ss:AutoFitHeight='1'>");
?90???????for?(int?j?=?0;?j?<?dt.Columns.Count;?j++)
?91???????{
?92?????????Response.Write("<Cell?ss:StyleID='Header'><Data?ss:Type='String'>"?+?dt.Columns[j].ColumnName?+?"</Data></Cell>");
?93???????}
?94???????Response.Write("\r\n</Row>");
?95???????
?96?
?97???????for?(int?j?=?start;?j?<?end;?j++)
?98???????{
?99?????????Response.Write("<Row>");
100?????????for?(int?c?=?0;?c?<?6;?c++)
101?????????{
102???????????//對于數字，采用Number數字類型
103???????????if?(c?>?1)
104???????????{
105?????????????Response.Write("<Cell?ss:StyleID='border'><Data?ss:Type='Number'>"?+?dt.Rows[j][c].ToString()?+?"</Data></Cell>");
106???????????}
107???????????else
108???????????{
109?????????????Response.Write("<Cell?ss:StyleID='border'><Data?ss:Type='String'>"?+?dt.Rows[j][c].ToString()?+?"</Data></Cell>");
110???????????}
111?????????}
112?????????Response.Write("</Row>");
113???????}
114???????Response.Write("</Table>");
115???????Response.Write("</Worksheet>");
116???????Response.Flush();
117?????}
118?????Response.Write("</Workbook>");
119?????Response.End();
120???}
轉載于:https://www.cnblogs.com/mikehhs/archive/2011/12/14/2287263.html
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