Step by step Create a Web Service

(i) Creating a Web Service

Create the first project, type Select ASP. NET Empty Web application

Add a new project Web Service

And then create a class contact

The code is as follows.

Contact.cs:

[Serializable] Public classContact {Private stringname;  Public stringName {Get{returnname;} Set{name =value;} }        Private intAge ;  Public intAge {Get{returnAge ;} Set{age =value;} }    }

HelloWebService.asmx.cs:

    /// <summary>    ///Summary description for Hellowebservice/// </summary>[WebService (Namespace ="http://tempuri.org/")] [WebServiceBinding (ConformsTo=Wsiprofiles.basicprofile1_1)] [System.ComponentModel.ToolboxItem (false)]    //to allow this Web Service to being called from script, using ASP. Uncomment the following line. //[System.Web.Script.Services.ScriptService]     Public classHelloWebService:System.Web.Services.WebService {[WebMethod] Public stringGetMessage (stringname) {            return "Hello"+name; } [WebMethod] PublicGuid createcontact (Contact c) {returnGuid.NewGuid (); }    }

(ii) Create a client

Create a client call Web Service below to verify that it is correct. Create an ASP. NET. Web Application

Add a service Reference

The WebForm1.cs code is

        protected voidButton1_Click (Objectsender, EventArgs e) {hellowebservice.hellowebservicesoapclient Client=Newhellowebservice.hellowebservicesoapclient (); Label1.Text=client.        GetMessage (TextBox1.Text); }        protected voidButton2_Click (Objectsender, EventArgs e) {hellowebservice.hellowebservicesoapclient Client=Newhellowebservice.hellowebservicesoapclient (); Label2.Text= client. CreateContact (Newhellowebservice.contact ()).        ToString (); }

Finally run the client, click the button to get the demo effect

Step by step Create a Web Service