Please add a feature to enable the Record Count for Master-Detail on view and add-pages. In list pages the record count is displayed on the tabs for detail pages, but not in view and add.
Try this.
//Page Data Rendering event view master page
function Page_DataRendering(&$header) {
// get tables separated by comma and explode in vector
$details = explode(',',$_GET['showdetail']);
for($i = 0; $i < count($details); ++$i) {
// name of the method that searches the number of records per table detail "cvfisicoquimico" "_ Count" name of the method cvfisicoquimico_Count
$method= $details[$i].'_Count';
// mount caption with table name and number of records
$caption = Language()->TablePhrase($details[$i], "TblCaption").' <span class="label label-info ewDetailCount0">'.$this->$method.'</span>';
//set new caption
Language()->setTablePhrase($details[$i], "TblCaption", $caption);
}}
Implemented in v2019. (For Master/Detail-View.)