During certain scenarios we must get total records count present in a sub grid. To achieve this functionality explicit logic should be written using JavaScript with form controls that are available on the form. Contact form with account sub grid was required and Contact record was used to explain this functionality.
English version of Blog :
https://venkatasubbaraopolisetty.com/2022/07/20/back-to-basics-64-get-subgird-record-count-with-webresource-in-dynamics-crm/
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