c#导出Excel文件，转换为可读模式

/// <summary>
/// 导出Excel文件，转换为可读模式
/// </summary> //转载请注明来自 http://www.shang11.com public static void DataTable2Excel(System.Data.DataTable dtData)
{
DataGrid dgExport = null;
HttpContext curContext = HttpContext.Current;
StringWriter strWriter = null;
HtmlTextWriter htmlWriter = null;

if (dtData != null)
{
curContext.Response.ContentType = "application/vnd.ms-excel";
curContext.Response.ContentEncoding = System.Text.Encoding.UTF8;
curContext.Response.Charset = "";
strWriter = new StringWriter();
htmlWriter = new HtmlTextWriter(strWriter);
dgExport = new DataGrid();
dgExport.DataSource = dtData.DefaultView;
dgExport.AllowPaging = false;
dgExport.DataBind();
dgExport.RenderControl(htmlWriter);
curContext.Response.Write(strWriter.ToString());
curContext.Response.End();
}
}