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Module 13: Consuming and Creating XML Web Services

Overview ,[object Object],[object Object],[object Object],[object Object]

Lesson: Overview of Using XML Web Services ,[object Object],[object Object],[object Object],[object Object]

What is an XML Web Service? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why Use XML Web Services? Internet Weather XML Web Service Exchange Rate XML Web Service Pick your destination: The weather Forecast calls for: The exchange rate is: We can fly you there for only: Rain Redmond $1.56 $1,999.98 Airfare Database Airfare XML Web Service Northwind Traders Travel Site

Finding an XML Web Service Publish XML Web service URL and description .disco .wsdl Web Service Proxy Web Form UDDI 1 2 3 4 5 6 1 2 3 4 5 Discover XML Web service Locate XML Web service URL Read .wsdl description Bind XML Web Service to Proxy Call XML Web Service from the Web Form by Proxy 6

Multimedia: XML Web Service Execution Model

Lesson: Calling an XML Web Service Using HTTP ,[object Object],[object Object]

How to Call an XML Web Service Using HTTP ,[object Object],[object Object],[object Object],[object Object],1 2 3 4

Practice: Calling an XML Web Service Using HTTP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lesson: Using a Proxy to Call an XML Web Service ,[object Object],[object Object],[object Object],[object Object],[object Object]

Using Proxies to Call XML Web Services ,[object Object],[object Object],[object Object],[object Object],Internet XML Web Service Proxy Web Form SOAP

How to Use a Proxy to Call an XML Web Service ,[object Object],[object Object],[object Object],[object Object],Sub Button1_Click(s As Object, e As EventArgs)... Dim ProxyGetStocks As New _ GetStocks.localhost.Service1() lblResults.Text = _ ProxyGetStocks.GetRating("Contoso") End Sub 1 2 3 4 C# Code Example

Instructor-Led Practice: Using a Proxy to Call an XML Web Service ,[object Object],[object Object],[object Object],[object Object]

XML Web Service Error Handling ,[object Object],[object Object],GetStocks.StockWebRef.Service1 ProxyGetStocks = new GetStocks.StockWebRef.Service1(); ProxyGetStocks.Timeout = 10000; try { lblMessage.Text = ProxyGetStocks.GetRating(TextBox1.Text); } catch (Exception err) { lblMessage.Text = err.Message; } Visual Basic .NET Code Example

Demonstration: Testing the Availability of a XML Web Service ,[object Object],[object Object],[object Object]

Lesson: Creating an XML Web Service ,[object Object],[object Object],[object Object]

How to Create an XML Web Service ,[object Object],[object Object],[object Object],[object Object],1 2 3 4

XML Web Service Code ,[object Object],[object Object],<%@ WebService Language="vb" Codebehind="Service1.asmx.vb" Class="XMLWebServiceName.Service1" %> Imports System Imports System.Web.Services Class Service1 <WebMethod()> Public Function function1 () As type 'function_here End Function End Class C# Code Example

Instructor-Led Practice: Creating an XML Web Service ,[object Object],[object Object],[object Object]

Review ,[object Object],[object Object],[object Object],[object Object]

Lab 13: Consuming and Creating XML Web Services Medical Medical.aspx Benefits Home Page Default.aspx Life Insurance Life.aspx Retirement Retirement.aspx Dental Dental.aspx Dentists Doctors Doctors.aspx Doctors Logon Page Login.aspx Registration Register.aspx Coho Winery Prospectus Prospectus.aspx XML Web Service dentalService1.asmx Page Header Header.ascx ASPState tempdb Lab Web Application User Control namedate.ascx Menu Component Class1.vb or Class1.cs XML Files Web. config

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