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POC# WCF: Having a single app.config in a shared library that provides access to the Service
 

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  1. POC# WCF: Having a single app.config in a shared library that provides access to the Service
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    <p>I currently have a solution with a couple of projects and one of them is a WCF Service. I created another projected with a static class that basically provides a gateway to an instance of the WCF client, like such :</p> <pre><code>public static class WSGateway { public static DBInteractionGatewayClient MR_WebService { get { return new DBInteractionGatewayClient(); } } } </code></pre> <p>This is so that (or so I thought) I could use a single <code>app.config</code> file that will be in that library only and then other projects can just just reference it and get a reference to that client from that property.</p> <p>But the problem is that when a project tries to access that property, an exception is thrown telling me that I need to <code>app.config</code> in the application, and when I copy the <code>app.config</code> the my gateway library to the application, it works.</p> <hr> <p>Is there a way to avoid having multiple <code>app.config</code> files in the application and having just one in maybe a single library?</p> <hr> <p><strong>[Update] Solution:</strong></p> <p>Following <a href="https://stackoverflow.com/questions/746107/c-wcf-having-a-single-app-config-in-a-shared-library-that-provides-access-to-th/746174#746174">Anderson Imes</a>' suggestions, for now I decided to hardcode the client reference configuration in the class and thus eliminated the need for multiple <code>app.config</code>s. </p> <p>Thus, I translated my configuration from this (<code>app.config</code>):</p> <pre><code>&lt;configuration&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;wsHttpBinding&gt; &lt;binding name="WSHttpBinding_IDBInteractionGateway" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="6000000" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"&gt; &lt;security mode="None"/&gt; &lt;readerQuotas maxDepth="6000000" maxStringContentLength="6000000" maxArrayLength="6000000" maxBytesPerRead="6000000" maxNameTableCharCount="6000000" /&gt; &lt;reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /&gt; &lt;/binding&gt; &lt;/wsHttpBinding&gt; &lt;/bindings&gt; &lt;client&gt; &lt;endpoint address="http://agnt666laptop:28666/DBInteractionGateway.svc" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IDBInteractionGateway" contract="DBInteraction_Service.IDBInteractionGateway" name="WSHttpBinding_IDBInteractionGateway"&gt; &lt;identity&gt; &lt;dns value="localhost" /&gt; &lt;/identity&gt; &lt;/endpoint&gt; &lt;/client&gt; &lt;/system.serviceModel&gt; &lt;/configuration&gt; </code></pre> <p>To this (a <code>static class</code>):</p> <pre><code>public static class WSGateway { private static WSHttpBinding binding; private static EndpointAddress endpointAddress; static WSGateway() { var readerQuotas = new XmlDictionaryReaderQuotas() { MaxDepth = 6000000, MaxStringContentLength = 6000000, MaxArrayLength = 6000000, MaxBytesPerRead = 6000000, MaxNameTableCharCount = 6000000 }; binding = new WSHttpBinding(SecurityMode.None) {MaxReceivedMessageSize = 6000000, ReaderQuotas = readerQuotas}; endpointAddress = new EndpointAddress("http://agnt666laptop:28666/DBInteractionGateway.svc"); } public static DBInteractionGatewayClient MR_WebService { get { return new DBInteractionGatewayClient(binding, endpointAddress); } } public static void ExecuteCommand(Action&lt;DBInteractionGatewayClient&gt; command) { var ws = MR_WebService; command.Invoke(ws); ws.Close(); } } </code></pre>
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    1. USAndreas Grech
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      1. POC# WCF: Having a single app.config in a shared library that provides access to the Service
      1. USMatt Davis
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    1. COThanks for posting your solution... that'll help other people who are trying to make this decision.
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      1. POC# WCF: Having a single app.config in a shared library that provides access to the Service
      1. USAnderson Imes
    2. COThanks for the hint. Your example is truncated, so I pasted my solution below (http://stackoverflow.com/questions/746107/c-wcf-having-a-single-app-config-in-a-shared-library-that-provides-access-to-th/7652518#7652518)
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      1. POC# WCF: Having a single app.config in a shared library that provides access to the Service
      1. USMark Lakata
    3. CONot sure why the code is being truncated. Anyways, here's how it should look: http://pastebin.com/8jii24JV
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      1. USAndreas Grech
 

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