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How to call a webservice from .Net

Former Member
0 Kudos
373

HI,

How do i call a SAP webservice from .Net application.

Thanks in advance,

Anoop

1 ACCEPTED SOLUTION

rudi_aubermann2
Explorer
0 Kudos
91

Hi,

assuming that the SAP-side is covered, you should be able to obtain a WSDL-File from your SAP-Application Server. The address of the WSDL-File is somehow like http://yoursapserver:yourport/sap/bc/srt/rfc/sap/yourwebservicename?wsdl, where yoursapserver, yourport and yourwebservicename depend on your system settings and of course on your webservice definition.

Now start Visual Studio and create a new Windows Project. Add a web reference to your Project with the built-in wizard (right-klick in the Project-Explorer, select "Add Web-Reference"). Follow the steps in the wizard, by pasting the address of the WSDL file mentioned above and providing login data. At least, you should give it a name, which will be the name of the Proxy-Class generated by the wizard.

If the wizard finishes successfully, you can use the new class in your .NET-Project. Sample Code (VB.NET):


        Dim cr As New System.Net.NetworkCredential("SAP-Username", "SAP-Password")
        Dim ws As New MyWebProxyClass.ZWHOAMIService
        Dim Result as String
       
        ws.Credentials = cr
        Try
            Result = ws.ZWhoami()
            Me.TextBox1.Text = Result
        Catch ex As Exception
            Me.TextBox1.Text = "Error: " & ex.Message
        End Try

Hope it helps.

Rudi

2 REPLIES 2

rudi_aubermann2
Explorer
0 Kudos
92

Hi,

assuming that the SAP-side is covered, you should be able to obtain a WSDL-File from your SAP-Application Server. The address of the WSDL-File is somehow like http://yoursapserver:yourport/sap/bc/srt/rfc/sap/yourwebservicename?wsdl, where yoursapserver, yourport and yourwebservicename depend on your system settings and of course on your webservice definition.

Now start Visual Studio and create a new Windows Project. Add a web reference to your Project with the built-in wizard (right-klick in the Project-Explorer, select "Add Web-Reference"). Follow the steps in the wizard, by pasting the address of the WSDL file mentioned above and providing login data. At least, you should give it a name, which will be the name of the Proxy-Class generated by the wizard.

If the wizard finishes successfully, you can use the new class in your .NET-Project. Sample Code (VB.NET):


        Dim cr As New System.Net.NetworkCredential("SAP-Username", "SAP-Password")
        Dim ws As New MyWebProxyClass.ZWHOAMIService
        Dim Result as String
       
        ws.Credentials = cr
        Try
            Result = ws.ZWhoami()
            Me.TextBox1.Text = Result
        Catch ex As Exception
            Me.TextBox1.Text = "Error: " & ex.Message
        End Try

Hope it helps.

Rudi

Former Member
0 Kudos
91

Now able to call webservice from .Net.Thanks a lot for your valuable information

Thanks,

Anoop