I have a custom button in a nested grid. I want when the user clicks the button to download a file saved in my database and save it to the local disk.
Whats the best approach? And could you provide a sample of how to call the controller action for download, how to pass ASSIGNMENT_DOCUMENT_ID, and after returning the file from the controller to ask the user where to save it? Not sure how to do post and get or do I need to do a get with the custom button..
Here is my nested grid: