i created a custom submit/save button in the footer of a child/dialogue form in order to facilitate the save process, instead of rolling the form up and save.
On click i added:
I cloned the error and validation notification using this article to show error on save and it worked perfectly:
The problem is when the end user click save/submit, the child/dialogue form close but the DataTable (child list data) in the main form/item is not refreshing and not showing the new record/Item unless the user refresh or reopen the item.
But it works perfectly if the user click the origin and main sharepoint save button on top.