JQuery calls WebService implementation code _ jquery

JQuery calls the implementation code of WebService. For more information, see. The following is an example:
1. In aspx:

The Code is as follows:

HelloWorld

Input parameters

Return collection

Return compound type

Return DataSet (XML)

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2. In WebService:

The Code is as follows:

[WebService (Namespace = "http://tempuri.org/")]
[WebServiceBinding (ConformsTo = WsiProfiles. BasicProfile1_1)]
// To allow ASP. net ajax to call this Web service from a script, cancel the comments to the downstream.
[System. Web. Script. Services. ScriptService] // If jquery is used to call WebService, cancel the preceding comment.
Public class WebService: System. Web. Services. WebService
{
Public WebService ()
{
// If you use the designed component, uncomment the following line
// InitializeComponent ();
}
[WebMethod]
Public string HelloWorld ()
{
Return "Hello World ";
}
[WebMethod]
Public string GetWish (string value1, string value2, string value3, int value4)
{
Return string. Format ("Wish you {0}, {1}, {2}", value1, value2, value3, value4 in {3} years );
}
[WebMethod]
Public List GetArray (int I)
{
List List = new List ();
While (I> = 0)
{
List. Add (I --);
}
Return list;
}
[WebMethod]
Public Class1 GetClass ()
{
Class1 a = new Class1 ();
A. ID = "1 ";
A. Value = "";
Return;
}
[WebMethod]
Public DataSet GetDataSet ()
{
DataSet ds = new DataSet ();
DataTable dt = new DataTable ("Table1 ");
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"] = "everything goes well ";
Dt. Rows. Add (dr );
Ds. Tables. Add (dt );
Return ds;
}
}
// Custom class with only two attributes
Public class Class1
{
Public string ID {get; set ;}
Public string Value {get; set ;}
}

3. JS:

The Code is as follows: