How to Change Web service Address at Runtime?

Question

I'm using a webservice in my wpf application. and set it's URL Behavior to Dynamic, so I have an entry in app.config file like below :

<MyApp.Properties.Settings>
  <setting name="MyApp_WebReference_OnlineUsersService" serializeAs="String">
    <value>http://192.168.35.28/OnlineUsersService.asmx</value>
  </setting>
</MyApp.Properties.Settings>

I need to change server address dynamically, for example from 192.168.35.28 to 192.168.35.26.
Question is : how can I change the contents of <value> tag at runtime?

thanks alot :)

@Micky sorry ,yeah, the whole project it's WPF and just one part of it needs communication with server, so it was better if i called it WCF. — Mahdi Rashidi, Jan 02 '16 at 08:16
Ah actually I see you are using .asmx files so that's old-skool web-services pre-WCF — , Jan 02 '16 at 08:39
@Micky I want to change content of value tag, this string : http://192.168.35.28/OnlineUsersService.asmx — Mahdi Rashidi, Jan 02 '16 at 09:01

score 1 · Accepted Answer · answered Jan 02 '16 at 09:09

Have you tried this?

var service = new MyApp.OnlineUsersService();
service.Url = "http://192.168.35.28/OnlineUsersService.asmx";

If what you're actually doing is specifying the url for a different path then I'd suggest using config transformation (App.Release.Config) to change the url before packaging.

How to Change Web service Address at Runtime?

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