We have recently launched a new feature that will let you the portal users to change the value of the checkbox in the grid without showing the child form.
For more information about this feature, please visit this article: What happens when I change the value of the checkbox in the grid?
Your feedback is valuable to us, and we would love to hear any comments or suggestions you may have. Please do not hesitate to share your thoughts with us by leaving a comment below or by contacting us via chat.