ASP.NET 2.0中將 GridView 導出到 Excel 文件中

 <% ... @ Page Language = " C# "  EnableEventValidation = " false "   %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >

< script  runat ="server" > ...
  ICollection CreateDataSource( )
   ... {
    System.Data.DataTable dt  =   new  System.Data.DataTable();
    System.Data.DataRow dr;
    dt.Columns.Add( new  System.Data.DataColumn( " id " ,  typeof (Int32)));
    dt.Columns.Add( new  System.Data.DataColumn( " PkID " ,  typeof (string)));
    dt.Columns.Add( new  System.Data.DataColumn( " Title " ,  typeof (string)));
     for  ( int  i  =   0 ; i  <   6 ; i ++ )
     ... {
      dr  =  dt.NewRow();
      dr[ 0 ]  =  i;
      dr[ 1 ]  =   " 123456789123456789123456789 " ;
      dr[ 2 ]  =   " <a href='http://dotnet.aspx.cc/'>歡迎光臨【孟憲會之精彩世界】</a> " ;
      dt.Rows.Add(dr);
    }
    System.Data.DataView dv  =   new  System.Data.DataView(dt);
     return  dv;
  }

  protected  void  Page_Load( object sender, EventArgs e )
   ... {
     if  ( ! IsPostBack)
     ... {
      GridView1.BorderWidth  =  Unit.Pixel( 2 );
      GridView1.BorderColor  =  System.Drawing.Color.DarkOrange;
      GridView1.DataSource  =  CreateDataSource();
      GridView1.DataBind();
    }
  }

  protected  void  Button1_Click( object sender, System.EventArgs e )
   ... {
    Response.Clear();
    Response.Buffer  =   true ;
    Response.Charset  =   " GB2312 " ;
    Response.AppendHeader( " Content-Disposition " ,  " attachment;filename=FileName.xls " );
     //  如果設置爲 GetEncoding("GB2312");導出的文件將會出現亂碼！！！
    Response.ContentEncoding  =  System.Text.Encoding.UTF7;
    Response.ContentType  =   " application/ms-excel " ; // 設置輸出文件類型爲excel文件。 
    System.IO.StringWriter oStringWriter  =   new  System.IO.StringWriter();
    System.Web.UI.HtmlTextWriter oHtmlTextWriter  =   new  System.Web.UI.HtmlTextWriter(oStringWriter);
     this .GridView1.RenderControl(oHtmlTextWriter);
    Response.Output.Write(oStringWriter.ToString());
    Response.Flush();
    Response.End();

  }
  public override  void  VerifyRenderingInServerForm( Control control )
   ... { }
  protected  void  GridView1_RowDataBound( object sender, GridViewRowEventArgs e )
   ... {
     if  (e.Row.RowType  ==  DataControlRowType.DataRow)
     ... {
      e.Row.Cells[ 1 ].Attributes.Add( " style " ,  " vnd.ms-excel.numberformat:@; " );
    }
  }
</ script >

< html  xmlns ="http://www.w3.org/1999/xhtml" >
< head  runat ="server" >
   < title > 將 GridView 導出到 Excel 文件中 </ title >
</ head >
< body >
   < form  id ="form1"  runat ="server" >
     < asp:GridView  ID ="GridView1"  runat ="server"  OnRowDataBound ="GridView1_RowDataBound"
      AutoGenerateColumns ="false" >
       < Columns >
         < asp:BoundField  HeaderText ="序號"  DataField ="id"   />
         < asp:BoundField  HeaderText ="身份證號"  DataField ="PkID"   />
         < asp:BoundField  HeaderText ="網址"  DataField ="Title"  ReadOnly ="true"  HtmlEncode ="false"   />
       </ Columns >
     </ asp:GridView >
     < asp:Literal  ID ="HiddenOut"  runat ="server"   />
     < asp:Button  ID ="Button1"  runat ="server"  Text ="導出"  OnClick ="Button1_Click"   />
   </ form >
</ body >
</ html >