ASP.NET技巧:將datagrid控件內容輸出到excel文件_[Asp.Net教程]                                           					
一個將datagrid控件內容輸出到excel文件的demo.
生成EXCEL文件#region 生成EXCEL文件
public void setToExcel()
{
//            Response.Clear(); 
//            Response.Buffer= true; 
//            Response.Charset="utf-8";  
    
    if (eformsn.Text=="")
    {
        DataGrid1.Visible=false;
        Label1.Text="要匯入EXCEL,請先輸入申請單號!";
        Label1.Visible=true;
    }
    else
    {
        dl.DataSource=DB("query", "select * from msi_eol_list_line where eformsn="+eformsn.Text+" order by eformsn").Tables[0].DefaultView;
        dl.DataBind();
        //下面這行很重要,attachment 參數表示作為附件下載,您可以改成online在線打開 
        //filename=FileFlow.xls 指定輸出文件的名稱,注意其擴展名和指定文件類型相符,可以為:.doc  .xls  .txt  .htm  
        Response.AppendHeader("Content-Disposition","attachment;filename=EOL_"+eformsn.Text+".xls"); 
        Response.ContentEncoding=System.Text.Encoding.GetEncoding("utf-8"); 
        //Response.ContentType指定文件類型 可以為application/ms-excel,application/ms-word ,application/ms-txt,application/ms-html或其他瀏覽器可直接支持文檔  
        Response.ContentType = "application/ms-excel"; 
        dl.EnableViewState = false; 
        System.IO.StringWriter oStringWriter = new System.IO.StringWriter(); 
        System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
        //將目標數據綁定到輸入流輸出   
        //this 表示輸出本頁,你也可以綁定datagrid,或其他支持obj.RenderControl()屬性的控件   
        dl.RenderControl(oHtmlTextWriter);
        //this.DataBind.RenderControl(oHtmlTextWriter); 
        Response.Write(oStringWriter.ToString()); 
        Response.End(); 
    }
}
#endregion
来源:网络