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Use of SoapHeaders Messages   Related Types This message was discovered on ASPFriends.com 'aspngwebservices' list. Alwin Jeyakumar Hello All, I am developing a web service. And I need to send some common information (ClientId, CustomerId etc) in each of the Web Methods. So I am thinking of putting those common parameters in a SoapHeader. Can anyone please tell me if there are any other advantages I get when I use SoapHeader in .NET. Also if the client is going to use it and set the SoapHeaders for each WebMethod, is there a way they could set for the entire Webservice level, instead of setting for each WebMethod level. Thanks, Alwin __________________________________________________ Do You Yahoo!? Yahoo! Health - Feel better, live better http://health.yahoo.com Reply to this message...        Paul John Gibbons Hi Alwin, If this is context information needed by the service rather than just a convenient way to pass common parameters this seems very appropriate. I realize this distinction is almost splitting hairs, but the difference between doing what is right and what is easy so often is. Setting up and processing the header can be performed in a SoapExtension. This is a convenient way to install common logic without inserting a call into every method. You probably still want to define the SoapHeader in the attributes for each method in the server or you'll be parsing the XML in the header yourself as part of the extension. You can specify that an extension be used for all methods in the service using the configuration file rather than the attributes used in most examples. The extension is not defined in the WSDL so it is not automatically generated or used on the client. You can specify it be used in the application configuration file, but doing so specifies its use for every web service call made by the client - not just those to your service. If you need more detail please let me know and I'll be happy to oblige. Paul Gibbons Author of ".NET Development for Java Programmers" Click here to reveal e-mail address -----Original Message----- From: Alwin Jeyakumar [mailto:Click here to reveal e-mail address] Sent: Wednesday, July 31, 2002 12:52 PM To: aspngwebservices Subject: [aspngwebservices] Use of SoapHeaders Hello All, I am developing a web service. And I need to send some common information (ClientId, CustomerId etc) in each of the Web Methods. So I am thinking of putting those common parameters in a SoapHeader. Can anyone please tell me if there are any other advantages I get when I use SoapHeader in .NET. Also if the client is going to use it and set the SoapHeaders for each WebMethod, is there a way they could set for the entire Webservice level, instead of setting for each WebMethod level. Thanks, Alwin __________________________________________________ Do You Yahoo!? Yahoo! Health - Feel better, live better http://health.yahoo.com | [aspngwebservices] member Click here to reveal e-mail address = YOUR ID | http://www.asplists.com/asplists/aspngwebservices.asp = JOIN/QUIT | http://www.asplists.com/search = SEARCH Archives Reply to this message...     System.Web.Services.Protocols.SoapExtension System.Web.Services.Protocols.SoapHeader Ad MBR BootFX Best-of-breed application framework for .NET projects, developed by Matthew Baxter-Reynolds and MBR IT

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