求GridView导出到excel,javascript源码?

求GridView导出到excel,javascript源码?xiexie

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C# code:
public static void ExportExcel(ref System.Web.UI.WebControls.GridView gv, string strFileName)
{
strFileName = System.Web.HttpUtility.UrlEncode(strFileName, System.Text.Encoding.UTF8);


System.Web.HttpContext.Current.Response.Clear();
System.Web.HttpContext.Current.Response.Buffer = true;
System.Web.HttpContext.Current.Response.Charset = "UTF-8";
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "online; filename=" + strFileName + ".xls");
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
System.Web.HttpContext.Current.Response.ContentType = "application/ms-excel";
//System.Web.HttpContext.Current.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("zh-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);


oHtmlTextWriter.Write("<style>.txt{MSO-NUMBER-FORMAT:\\@}</style>");
gv.RenderContro