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Ajax Control Toolkit AutoCompleteExtender with Key/Value pair

21 settembre 2010  · Ajax · Article  ·  192 visite

How do I associate a Key-Value pair with textBox autoComplete extender in a way similar to a dropdownlist? It is preferred that value will not be visible to user. 

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="AnagraficaContrattista.aspx.cs" Inherits="AnagraficaContrattista" %>

<%@ Register

    Assembly="AjaxControlToolkit"

    Namespace="AjaxControlToolkit"

    TagPrefix="ajaxToolkit" %>

    



    

     

  

    


     

  


                


                    Matricola:

                    

                


                


                    Cognome:

                    

                    


                     

                

                

                

                    

                    


                    

                    		

                


                


                    Nome:

                    

                


                


                    CF:


  

 
using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Configuration;

using System.Web.Script.Serialization;

using System.Web.Script.Services;

 

using System.Text.RegularExpressions;

using AjaxControlToolkit;

 

using ContraModel;

 

/// 

/// Summary description for Autocomplete

/// 

 

[WebService(Namespace = "http://tempuri.org/")]

[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

[ScriptService()]

public class Autocomplete : System.Web.Services.WebService {

 

    public Autocomplete () {

 

        //Uncomment the following line if using designed components 

        //InitializeComponent(); 

    }

 

    [WebMethod]

    [ScriptMethod()]

    public string[] GetContrattisti(string prefixText, int count, string contextKey)

    {

        List items = new List();

        JavaScriptSerializer serializer = new JavaScriptSerializer();

        ContraEntities contraContext = new ContraEntities(ConfigurationManager.ConnectionStrings["ContraCSEntities"].ToString());

        //int numerorecord = 10;

        var listaAnagrafiche = contraContext.sp_AnagraficaAutocomplete(prefixText, count);

 

        // string json=null;

 

        if (listaAnagrafiche != null)

        {

 

 

            JavaScriptSerializer jss = new JavaScriptSerializer();

            foreach (v_Anagrafica v in listaAnagrafiche)

            {

                items.Add(AutoCompleteExtender.CreateAutoCompleteItem(v.Ana_Cognome + " " + v.Ana_Nome, serializer.Serialize(v)));

            }

 

 

 

 

        }

 

        //return json;

 

        return items.ToArray();

 

 

 

 

 

    }

 

    [WebMethod]

    [ScriptMethod()]

    public string[] GetContrattisti2(string prefixText, int count)

    {

        if (count == 0)

        {

            count = 10;

        }

 

 

        if (prefixText.Equals("xyz"))

        {

            return new string[0];

        }

 

 

        Random random = new Random();

        List items = new List(count);

        for (int i = 0; i < count; i++)

        {

            char c1 = (char)random.Next(65, 90);

            char c2 = (char)random.Next(97, 122);

            char c3 = (char)random.Next(97, 122);

 

 

            items.Add(prefixText + c1 + c2 + c3);

        }

 

 

        return items.ToArray(); 

 

 

 

 

 

 

 

    }    

 

       

 

    [WebMethod]

    public string HelloWorld() {

        return "Hello World";

    }

    

}