XML Web Services

Tuc Goodwin

04/19/23 1

Agenda

Review: What is an XML Web Service? Review Steps to calling a Web Service SharePoint Web Services

Upcoming Schedule

WSDL, Schemas, and Proxies! (Oh, My) Serializations Intro to C# Debugging .NET 2.0 Creating Workflows in .NET 3.0 Object Thinking

Review: What is XML Web Services?

Source: www.microsoft.com/net/basics/whatis.asp

Review: Steps to Calling a Web Service

1. Add Web Service Reference

2. Add Credentials (if necessary)

3. Instantiate the Web Service Object

4. Invoke the Web Service methods

5. Process the Results

Demo

This demo was adapted from an online article by Mike Gunderloy,

Coder To Developer(ISBN: 078214327X )

Creating a Web Service

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Coding a Web Service

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<WebMethod()> Public Function DateOnly() As String DateOnly = Date.Today.Date.ToString End Function

Testing a Web Service

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Consuming a Web Service from a Web Form

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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim myWebService As New localhost.Service1

If Me.RadioButton1.Checked Then Me.TextBox1.Text = myWebService.DateTime If Me.RadioButton2.Checked Then Me.TextBox1.Text = myWebService.DateOnly If Me.RadioButton3.Checked Then Me.TextBox1.Text = myWebService.TimeOnly If Me.RadioButton4.Checked Then Me.TextBox1.Text = myWebService.DayOfWeek

End Sub

More Demo

Let’s look at some code!

Summary

We…

Consumed a Web Service

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Other Resources

www.microsoft.com/net msdn.microsoft.com/net www.gotdotnet.com support.microsoft.com/webcasts www.dnug.net www.devx.com/dotnet/ www.thedotnetmag.com www.winnetmag.com www.microsoft.com/mspress

Next Time…

We will continue to build from here…

WSDL, Schemas, and Proxies! (Oh, My)

04/19/23 17

Questions?

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