Web app to consume web service

I am new to web services.

 Basically I need to create a web app to consume the web service located here: http://babbage2.sosu.edu/winuser/hw04/proj01/proj01.asmx

 It just needs two text boxes and a button, I'm not sure how to do this.


Any help?

4/24/2007 2:26:49 AM
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Add a Web reference to your project, its like adding a dll reference but instead of poiting it to a dll you do point it to the url.

Right click the project name and select Web Reference, use it as a dll.

Hope this helps

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4/24/2007 2:48:26 AM

Thanks for the response.

I got that far, I'm just not sure how to invoke the service into my web app.


4/24/2007 2:54:02 AM

Once you've added the Web Reference to your project you should have a folder structure like this - App_WebReferenes > Services > Service1.

To invoke the web methods of this service do the following:

using Services.Service1

public partial class MyPage : System.Web.UI.Page
    protected void Page_Load(object sender, EventArgs e)
        Service1 oService = new Service1();

4/24/2007 12:50:05 PM

Thank you.

I am really dumb at this.


here is the code i have so far:

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim WebService As service.proj01
        WebService = New service.proj01()

        result.Text = WebService.Power(TextBox1, TextBox2).ToString()


and it does not work


4/24/2007 4:33:39 PM

Does it give you a "401 - Unauthorized" error?

The 401 error has been the biggest problem for me recently, as we can't allow anonymous access to the web service on our intranet.

What I have had to do is on the IIS server, specify "Integrated Windows Authentication" for the services web application, then, in the code, add the following lines before you make the call to any service methods:

oService.PreAuthenticate = true;
oService.Credentials = System.Net.CredentialCache.DefaultCredentials;
This passes the credentials of the user accessing the web application on to the web service.
4/25/2007 7:12:47 AM

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