导出到excel，如果不保存，会自动关闭页面的问题
// 不显示删除回复显示所有回复显示星级回复显示得分回复 DataGrid导出到excel，如果不保存，会自动关闭页面的问题
//HttpContext.Current.Response.AppendHeader( "Content-Disposition ", "attachment;filename=Excel.xls ") 中去掉“attachment;”即可
public void DGToExcel(DataGrid dataGrid)
{
HttpContext.Current.Response.AppendHeader( "Content-Disposition ", "attachment;filename=Excel.xls ");
HttpContext.Current.Response.Charset = "UTF-8 ";
HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default;
HttpContext.Current.Response.ContentType = "application/ms-excel ";
dataGrid.Page.EnableViewState =false;
System.IO.StringWriter tw = new System.IO.StringWriter() ;
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter (tw);
dataGrid.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
DataTable dt = (System.Data.DataTable)GridView1.DataSource;
string name = Server.MapPath("") + "//PsExcel//" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".csv";
FileStream fs = new FileStream(name, FileMode.Create, FileAccess.Write);
StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.GetEncoding("gb2312"));
sw.WriteLine("人员工号,人员名称,帐号,初始密码,邮箱,手机,部门");
foreach (DataRow dr in dt.Rows)
{
sw.WriteLine(dr["Ps_NO"] + "," + dr["Ps_Name"] + "," + dr["Accounts"] + "," + dr["iniPassWord"] + "," + dr["Email"] + "," + dr["Phone"] + "," + dr["Org_Name"]);
}
sw.Close();
Response.AddHeader("Content-Disposition", "filename=" + Server.UrlEncode(name));
Response.ContentType = "application/ms-excel";// 指定返回的是一个不能被客户端读取的流，必须被下载
Response.WriteFile(name); // 把文件流发送到客户端
Response.End();