WCF / Webapi Service Making and Calling

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Hi All,

Thanks in advance for your help guys.

I have an assignment in which I have to make a WCF / Webapi based service which will have a method called ‘getStatementBalance’, this method will return a float value let say 252.54 (dont worry about the internal logic of the method) and then I have to display this returned value on a form field, following are my queries:

1. Is WCF or Web api are one and the same thing or different approaches?

2. How I will code this Service? If somebody can suggest the full code, will be really helpful

2. How I will host and call this service? Can I host it locally on local host and use it with online instance of CRM?

I m new to CRM Coding, so no help will be small help :)

Thanks

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Justinjose 2,707 on at

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Hi Imran,

Do you want to call Third Party Web Api / WCF? or CRM Web Api?

Thanks

Justin Jose

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Community Member on at

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Hi Justin,

Its CRM Webapi mate

Thanks

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Justinjose 2,707 on at

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Hi Imran,

You can use CRM Restbuilder, which will build Web API script for you. You can test most of Web Api script in real time.

github.com/.../releases

Thanks

Justin Jose

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Temmy Wahyu Raharjo 2,916 on at

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Hi,

I am still confuse with your requirements. If you want to create WebService, then this is tutorial for you https://docs.microsoft.com/en-us/dotnet/framework/wcf/feature-details/how-to-create-a-basic-wcf-web-http-service. If you want to make WebApi : https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-web-api?view=aspnetcore-2.0.

This two has different request and response. But actually nowadays, people more prefer WebApi because it will return Json object.

For hosting part, it depends on your requirements. If this service will be use in CRM Online, it should be host in online too (for example: azure webservice). But if this one will be use internally and call CRM Online for retrieving data, you can host in in your local server but that server must have internet connection.

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gdas 50,091 Moderator on at

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Hi Imran,

What I understand that you are consuming WCF service method(getStatementBalance) , following is the answer -

1. Is WCF or Web api are one and the same thing or different approaches?

Yes you are right WCF and Web API are similar concept , you can say WEB API is a subset of WCF service . The main difference is that WEB API uses URI (REST service) to make a call to particular action but WCF uses endpoint address to make particular call . However you can also enable WCF service as REST type of service . Let say we need to consume third party application from Dynamics CRM in that case you can create WEB API as well as WCF rest/SOAP service. Its depends on the requirement when to use what .

https://docs.microsoft.com/en-us/aspnet/web-api/overview/older-versions/build-restful-apis-with-aspnet-web-api

2. How I will code this Service? If somebody can suggest the full code, will be really helpful

Create a service and make it rest service , host it IIS , and the call the service using JavaScript.

https://www.c-sharpcorner.com/UploadFile/e95fe7/creating-a-simple-wcf-service/

https://www.codeproject.com/Tips/803009/Configure-WCF-Service-to-REST

2. How I will host and call this service? Can I host it locally on local host and use it with online instance of CRM?

You should host your service in some web server to make accessible in the web otherwise you cant access from Online dynamics CRM.

https://yaplex.com/blog/how-to-call-wcf-services-from-javascript-jquery-and-asp-net-ajax

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