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Accessing CRM 2011 WebService from Javascript using Onchange event of form in CRM 2011 RRS feed

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    Hi All,

    I have a requirement like this

       I have to generate account number, i have to fetch maximum account number from database and increment it by 1 and display it in the field

       for this i want to access database using CRM web serivce called in clint side Javascript in OnLoad function of the account entity.

    Can some body help me how to do it

    Thanks and Regards

    Ravi

    Sunday, September 25, 2011 8:27 AM

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    There are lot of blogs available on how to access webservices through javascript.

    You need to include the orderby clause to get the largest number.

    You can use REST EndPoints or Soap services.

    Here is link to use soap services with fetch xml

    http://mileyja.blogspot.com/2011/07/convert-queryexpression-to-fetchxml.html

    The above mentioned blog got hunderds of samples on how to use webservices with javascripts

     

    here is link on how to generate auto number  through plugins

    http://www.codeproject.com/KB/cs/AutonumberingCRM2011.aspx

    Here is link to do that through workflow.

    http://leontribe.blogspot.com/2010/12/auto-numbering-using-workflow.html

    I hope this helps.

    Amreek singh Senior CRM Consultant CDC Praxa Sydney,Australia http://mscrmshop.blogspot.com/
    • Proposed as answer by Amreek Singh Sunday, September 25, 2011 9:06 AM
    • Marked as answer by E Ravi kumar Sunday, September 25, 2011 1:41 PM
    Sunday, September 25, 2011 9:06 AM
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    Hi Amreek,

      Thanks for your reply,

       Can i do the same thing using XmlHttp? if not why we will not be able to do can you please explain me, it will help me a lot.

     

    Thanks and Regards

    Ravi

     

    Sunday, September 25, 2011 10:00 AM
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    Ofcourse you can. Calling webservices through Javascript will use xmlhttp

    Here is lines from the first sample

    var req = new XMLHttpRequest();
                   req.open("POST", SDK.SAMPLES._getServerUrl(), true)

    I hope this helps.

    You can also use retrievemultiple message to do that

    http://mileyja.blogspot.com/2011/03/crm-2011-retrievemultiple-calls-in.html

    I hope this helps.

    Amreek singh Senior CRM Consultant CDC Praxa Sydney,Australia http://mscrmshop.blogspot.com/
    • Proposed as answer by Amreek Singh Sunday, September 25, 2011 1:05 PM
    • Marked as answer by E Ravi kumar Sunday, September 25, 2011 1:41 PM
    Sunday, September 25, 2011 1:05 PM
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    Hi Amreek,

    Thanks a lot,

     I am going through lot of information which you have provided.

    Thank you very much, hopefully i will solve it succesfully

    Regards

    Ravi

     

    Sunday, September 25, 2011 1:38 PM