Can I assign an object to a dropdown value?

Can I save a JSON object by serializing from the code behind in the values โ€‹โ€‹of the drop-down list?

+4
source share
2 answers

The standard proposition value of the DOM element can be any value that meets the requirements of the corresponding HTML attribute. The value attribute parameter element must meet the requirements of cdata .

0
source

here is the code i hope it solves ur problem This is the extension type webservice.asmx.

public class WebService1 : System.Web.Services.WebService { [WebMethod] [ScriptMethod( ResponseFormat = ResponseFormat.Json)] public List<Employee> SayHellowJson( string name ) { //string result = string.Format( " {1} : {0} ",name,DateTime.Now ); Employee emp = new Employee{ Name= name , Designation = "Senior Software Engineer" }; List<Employee> employees = new List<Employee>(); employees.Add(emp); employees.Add(new Employee { Name = "first", Designation = "designation" }); employees.Add ( new Employee { Name="second", Designation="Designation2" } ); employees.Add(new Employee {Name="thired" , Designation="Deisgnation4" }); //JavaScriptSerializer serializer = new JavaScriptSerializer(); //return serializer.Serialize(emp); return employees; } } [Serializable] public class Employee { public string Name { get; set; } public string Designation { get; set; } } } 

there is jquery / and html code for this ... I bind the json call to the keyup input event when you press a key in texbox. here is the code <% @Page Language = "C #" AutoEventWireup = "true" CodeBehind = "JsonCall.aspx.cs" Inherits = "WebApplication1.JsonCall"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <script type="text/javascript"> $(function(){ $('#txtname').keyup(function( evt ) { $.ajax({ url: "/WebService1.asmx/SayHellowJson", type: "POST", dataType:"json", data:"{name:'"+Name+"'}", contentType : "application/json; charset=utf-8", success: function(msg){ for (var i = 0 ; i < msg['d'].length ; i ++ ){ $('#myselect').append('<option value="'+msg['d'][i].Name+'">'+msg['d'][i].Name+'</option>'); } }, error : function(e){ alert ( "error " ); } }); }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <p> JSON format call</p> Enter Name : <input type="text" id="txtname" /> <input type="button" value="GO" id="btnGO" /> <br /> <p id='result'> </p> </div> </form> <select id="myselect" name="D1"> <option></option> </select> </body> </html> 
0
source

All Articles