實現輸入框【輸入填寫+動態提示信息+下拉選擇】

 

實現輸入框能填寫能下拉選擇,填寫時動態提示javascript

using System;html

using System.Collections.Generic;java

using System.Linq;jquery

using System.Web;數組

using System.Web.UI;ui

using System.Web.UI.WebControls;orm

 

public partial class Default2 :System.Web.UI.Pageserver

{xml

   protected void Page_Load(object sender, EventArgs e)htm

    {

 

       if (IsPostBack)

       {

       

       }

 

       using (UsersDataContext con = new UsersDataContext())

       {

           string s = "" ;

           int count = 0;

           List<Users> ulist = con.Users.ToList();

 

           for (int i = 0; i < ulist.Count; i++)

           {

                if (count > 0)

                    s += ",";

                s += ulist[i].Nickname;

                count++;

           }

 

 

           HiddenField1.Value = s; //將須要的信息放到隱藏控件中

       }

 

 

 

 

    }

}

 

後臺數據

<%@ Page Language="C#"AutoEventWireup="true" CodeFile="Default2.aspx.cs"Inherits="Default2" %>

 

<!DOCTYPE html>

 

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

   <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

   <title></title>

   <script src="jquepy/jquery-1.7.1.min.js"></script>

</head>

<body>

   <form id="form1" runat="server">

       <div>

           用戶名:

       <asp:TextBox ID="TextBox1" runat="server"list="li" autocomplete="off"></asp:TextBox>

           <datalist id="li">

                <optionvalue="123"></option>

                <optionvalue="123"></option>

                <optionvalue="123"></option>

                <optionvalue="123"></option>

           </datalist>

   

           <asp:Label ID="Label1" runat="server"Text="Label"></asp:Label>

 

           <asp:HiddenField ID="HiddenField1" runat="server"/>

       </div>

   </form>

</body>

</html>

 

<script type="text/javascript">

 

 

  var b = $("#HiddenField1").val();//取隱藏的值

   

  var strs = new Array();//定義數組

  strs = b.split(",");  //將字符分割

  var v = "";

  for (var i = 0; i < strs.length;i++)

   {

      v += "<option value=\"" + strs[i] + "\"></option>";

   }

  $("#li").html(v);

   //取值從 TextBox 中取

  $("#TextBox1").change(function () {

      var av = $("#TextBox1").val();

      $("#Label1").html(av);

  });

 </script>

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