用Ajax动态绑定数据库的数据:点击后台查看代码,编写代码如下

if (!IsPostBack)
{
  using (SnailTechDataContext con = new SnailTechDataContext())
  {
    DropDownList1.DataSource = con.Job.ToList();
    DropDownList1.DataTextField = "JobName";
    DropDownList1.DataValueField = "JobCode";
    DropDownList1.DataBind();
  }
}