将Dataset中的多个DataTable导入到一个Excel文件的多个Sheet中

System.Data.DataTable dt =

new

System.Data.DataTable();

if

(!Page.IsPostBack)

{

System.Data.DataRow dr;

dt.Columns.Add(

new

System.Data.DataColumn(

"学生班级"

,

typeof

(System.String)));

dt.Columns.Add(

new

System.Data.DataColumn(

"学生姓名"

,

typeof

(System.String)));

dt.Columns.Add(

new

System.Data.DataColumn(

"语文"

,

typeof

(System.Decimal)));

dt.Columns.Add(

new

System.Data.DataColumn(

"数学"

,

typeof

(System.Decimal)));

dt.Columns.Add(

new

System.Data.DataColumn(

"英语"

,

typeof

(System.Decimal)));

dt.Columns.Add(

new

System.Data.DataColumn(

"计算机"

,

typeof

(System.Decimal)));

System.Random rd =

new

System.Random();

for

(

int

i = 0; i < 88; i++)

{

dr = dt.NewRow();

dr[0] =

"班级"

+ i.ToString();

dr[1] =

"【孟子E章】"

+ i.ToString();

dr[2] = System.Math.Round(rd.NextDouble() * 100,0);

dr[3] = System.Math.Round(rd.NextDouble() * 100,0);

dr[4] = System.Math.Round(rd.NextDouble() * 100,0);

dr[5] = System.Math.Round(rd.NextDouble() * 100,0);

dt.Rows.Add(dr);

}

}

//假如每10条数据放在一个 Sheet 里面，先计算需要多少个 Sheet

int

ItenCountPerSheet = 10;

Response.ClearContent();

Response.BufferOutput =

true

;

Response.Charset =

"utf-8"

;

Response.ContentType =

"application/ms-excel"

;

Response.AddHeader(

"Content-Transfer-Encoding"

,

"binary"

);

Response.ContentEncoding = System.Text.Encoding.UTF8;

//Response.AppendHeader("Content-Disposition","attachment;filename="+Server.UrlEncode("孟宪会Excel表格测试")+".xls");

// 采用下面的格式，将兼容 Excel 2003,Excel 2007,Excel 2010。

String FileName =

"孟宪会Excel表格测试"

;

if

(!String.IsNullOrEmpty(Request.UserAgent))

{

// firefox 里面文件名无需编码。

if

(!(Request.UserAgent.IndexOf(

"Firefox"

) > -1 && Request.UserAgent.IndexOf(

"Gecko"

) > -1))

{

FileName = Server.UrlEncode(FileName);

}

}

Response.AppendHeader(

"Content-Disposition"

,

"attachment;filename="

+ FileName +

".xls"

);

Response.Write(

"<?xml version='1.0'?><?mso-application progid='Excel.Sheet'?>"

);

Response.Write(

@"<Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet'

xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel'

xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet' xmlns:html='http://www.w3.org/TR/REC-html40'>"

);

Response.Write(

@"<DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>"

);

Response.Write(

@"<Author>孟宪会</Author><LastAuthor>孟子E章</LastAuthor>

<Created>2010-09-08T14:07:11Z</Created><Company>mxh</Company><Version>1990</Version>"

);

Response.Write(

"</DocumentProperties>"

);

Response.Write(

@"<Styles><Style ss:ID='Default' ss:Name='Normal'><Alignment ss:Vertical='Center'/>

<Borders/><Font ss:FontName='宋体' x:CharSet='134' ss:Size='12'/><Interior/><NumberFormat/><Protection/></Style>"

);

//定义标题样式

Response.Write(

@"<Style ss:ID='Header'><Borders><Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/></Borders>

<Font ss:FontName='宋体' x:CharSet='134' ss:Size='18' ss:Color='#FF0000' ss:Bold='1'/></Style>"

);

//定义边框

Response.Write(

@"<Style ss:ID='border'><NumberFormat ss:Format='@'/><Borders>

<Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/>

<Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/></Borders></Style>"

);

Response.Write(

"</Styles>"

);

System.Data.DataTable dt2 =

new

DataTable();

dt2.Columns.Add(

new

System.Data.DataColumn(

"学生班级"

,

typeof

(System.String)));

dt2.Columns.Add(

new

System.Data.DataColumn(

"学生姓名"

,

typeof

(System.String)));

dt2.Columns.Add(

new

System.Data.DataColumn(

"语文"

,

typeof

(System.Decimal)));

dt2.Columns.Add(

new

System.Data.DataColumn(

"数学"

,

typeof

(System.Decimal)));

dt2.Columns.Add(

new

System.Data.DataColumn(

"英语"

,

typeof

(System.Decimal)));

System.Data.DataRow dr2;

System.Random rd2 =

new

System.Random();

for

(

int

i = 0; i < 88; i++)

{

dr2 = dt2.NewRow();

dr2[0] =

"班级"

+ i.ToString();

dr2[1] =

"【孟子E章】"

+ i.ToString();

dr2[2] = System.Math.Round(rd2.NextDouble() * 102,0);

dr2[3] = System.Math.Round(rd2.NextDouble() * 102,0);

dr2[4] = System.Math.Round(rd2.NextDouble() * 102,0);

dt2.Rows.Add(dr2);

}

DataSet ds =

new

DataSet();

ds.Tables.Clear();

ds.Tables.Add(dt);

ds.Tables.Add(dt2);

//SheetCount代表生成的 Sheet 数目。

for

(

int

k = 0; k < ds.Tables.Count; k++)

{

int

SheetCount = Convert.ToInt32(Math.Ceiling((

double

)ds.Tables[k].Rows.Count / ItenCountPerSheet));

for

(

int

i = 0; i < SheetCount; i++)

{

//计算该 Sheet 中的数据起始行和结束行。

int

start = ItenCountPerSheet * i;

int

end = ItenCountPerSheet * (i + 1);

if

(end > ds.Tables[k].Rows.Count) end = ds.Tables[k].Rows.Count;

Response.Write(

"<Worksheet ss:Name='Sheet"

+ (k*SheetCount + i+1) +

"'>"

);

Response.Write(

"<Table x:FullColumns='1' x:FullRows='1'>"

);

//输出标题

Response.Write(

"\r\n<Row ss:AutoFitHeight='1'>"

);

for

(

int

j = 0; j < 5; j++)

{

Response.Write(

"<Cell ss:StyleID='Header'><Data ss:Type='String'>"

+ ds.Tables[k].Columns[j].ColumnName +

"</Data></Cell>"

);

}

Response.Write(

"\r\n</Row>"

);

for

(

int

j = start; j < end; j++)

{

Response.Write(

"<Row>"

);

for

(

int

c = 0; c < ds.Tables[k].Columns.Count; c++)

{

//对于数字，采用Number数字类型

if

(c > 1)

{

Response.Write(

"<Cell ss:StyleID='border'><Data ss:Type='Number'>"

+ ds.Tables[k].Rows[j][c].ToString() +

"</Data></Cell>"

);

}

else

{

Response.Write(

"<Cell ss:StyleID='border'><Data ss:Type='String'>"

+ ds.Tables[k].Rows[j][c].ToString() +

"</Data></Cell>"

);

}

}

Response.Write(

"</Row>"

);

}

Response.Write(

"</Table>"

);

Response.Write(

"</Worksheet>"

);

Response.Flush();

}

}

Response.Write(

"</Workbook>"

);

Response.End();