Hi Vlad,
With the version of SalesCQ you indicated, I am unable to duplicate the problem you described, where if a Prospect has multiple quotes, clicking on the record in the Header 'top' grid fails to refresh the associated Details in the 'bottom' grid. For me in sample data, the details always refresh - unlike in the image you included. Also using the cursor key to highlight a different quote refreshes the details for me.
How are you changing the header record to select a different quote to view? Are you Editing or Viewing the prospect, and if Viewing, do you use Previous/Next to scroll through the various prospect records? And I presume that the data integrity is clean.
I have seen other Details-grid refresh problems, such as editing one prospect that has open quotes, then closing and editing a second prospect that does not have quotes. So there may be something to what you are reporting, but I just cannot replicate it. Do you see similar behaviour when looking at Customers and SalesCQ Transactions?
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Regards,
Softrak Tech Support