LWBNetwork

1.判断select选项中 是否存在Value="paraValue"的Item  $("#selectid option[@value='paraValue']").length>0 2.向select选项中 加入一个Item $("#selectid").append("1111"); 3.从select选项中 删除一个Item  $("#selectid").remove("111

Default.aspx.cs页面中的代码 protected string name; protected string age; protected string keyword; protected void Page_Load(object sender, EventArgs e) { int.TryParse(Request.QueryString["pageIndex

Default.aspx.cs中的代码 protected int pageIndex = 1; protected int pageSize = 10; protected int pageCount = 100; protected string name = string.Empty; protected void Page_Load(object sender, EventArgs e)