Discovery of JSON-based custom services in AX 7

If you download AX integration samples from GitHub, you’ll see (in JsonConsoleApplication project) that you can call JSON-based custom services by code like this: var request = HttpWebRequest.Create(ClientConfiguration.Default.UriString + "api/services/UserSessionService/AifUserSessionService/GetUserSessionInfo"); request.Headers[OAuthHelper.OAuthHeader] = OAuthHelper.GetAuthenticationHeader(); request.Method = "POST"; request.GetResponse(); It will call the operation and return its return value as JSON: { "$id":"1", "AOSLocaleName":"en-US", "AXLanguage":"EN-US", "Company":"DAT", "CompanyTimeZone":58, …

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Integration with AX 7 in cloud

I’m getting a lot of questions along the lines of “how on earth can we integrate our on-premises systems with AX 7 running in cloud?”, therefore let me share some of my thoughts. The first important point to realize is that “to integrate” means many different things, so there is no single solution for it. …

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Catching exceptions in AX 7

In this blog post, I briefly recapitulate how to throw and catch exceptions in X++ and introduce a new way of handling CLR exceptions in AX 7. X++ exceptions When you want to throw an exception in X++, you typically do it by something like this: throw error("It’s broken!"); It’s a functional equivalent of adding a …

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IoC containers for extensibility

Dynamics 365 for Operations (AX 7) tries to get rid of the ugly concept of “customizations”, when developers directly change somebody else’s code, which has a plenty of negative consequences. Most importantly, installing a new version isn’t easy, because it requires dealing with conflicts in code. There are several ways how to make a class …

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