ajaxpro.dll 控件实现异步刷新页面

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
namespace Demo
{
public partial class ajax : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
AjaxPro.Utility.RegisterTypeForAjax(typeof(ajax));
}
///

/// 获取用户名
///

///
///
[AjaxPro.AjaxMethod]
public string GetUserName(string account)
{

string ok = (string)SqlHelper.ExecuteScalar(SqlHelper.connectionString, CommandType.Text, "select account from users where account='" + account + "'");
return ok;
}
}
}