Detailed example code of jQuery Ajax method calling Asp.Net WebService_jquery

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System. Data;
namespace jQuery.Learning
{
///

/// Summary description of WebService1
///

[WebService( Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow the use of ASP .NET AJAX To call this web service from a script, uncomment the following line.
[System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
///

/// No parameters
///

///
[WebMethod]
public string HelloWorld()
{
return "Hello World ";
}
///

/// With parameters
///

///
///
///
///
///
[WebMethod]
public string GetWish(string value1 , string value2, string value3, int value4)
{
return string.Format("Wish you {0}, {1}, {2} in {3} years", value1, value2, value3, value4);
}
///

/// Return collection
///

///
///
[WebMethod]
public List GetArray(int i)
{
List< int> list = new List();
while (i >= 0)
{
list.Add(i--);
}
return list;
}
///

/// Returns a composite type
///

///
[WebMethod]
public Class1 GetClass()
{
return new Class1 { ID = "1", Value = "Good luck in the Year of the Ox" };
}
/// < ;summary>
/// Return XML
///
///
[WebMethod]
public DataSet GetDataSet( )
{
DataSet ds = new DataSet();
DataTable dt = new DataTable();
dt.Columns.Add("ID", Type.GetType("System.String") );
dt.Columns.Add("Value", Type.GetType("System.String"));
DataRow dr = dt.NewRow();
dr["ID"] = " 1";
dr["Value"] = "Happy New Year";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["ID"] = "2";
dr["Value"] = "All the best";
dt.Rows.Add(dr);
ds.Tables.Add(dt);
return ds;
}
}
//Customized class, only two attributes
public class Class1
{
public string ID { get; set; }
public string Value { get; set; }
}
}