protected object AjaxTextBox1_Search(object sender, HampWebControl.AjaxTextBox.SearchEventArgs e)
    {
        String connStr = @"server=PC-200902201516\SQLEXPRESS;database=IPSystem;uid=sa;pwd=123456";
        String sql = "select id,name from person where name like '%"+e.Text.Trim()+"%'";
        using (SqlConnection conn = new SqlConnection(connStr)) 
        {
            conn.Open();
            SqlCommand sd = new SqlCommand(sql, conn);
            SqlDataAdapter sa = new SqlDataAdapter(sd);
            DataTable dt = new DataTable();
            sa.Fill(dt);
            return dt;
        }
    }

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack) 
        {
            HampToolTip1.ControlToTip = Label1.ClientID;
        }
    }