Parameter is not valid

Question

I received an error when i update gridviewcell click image
https://code.sololearn.com/cExkEP7lE88I/?ref=app

Answer 1

it seems image.FromStream expect more than just memory.
It is looking for a certain format called base64EncodedFile

https://stackoverflow.com/questions/17667818/error-parameter-is-not-valid-while-converting-bytes-into-image

https://www.c-sharpcorner.com/blogs/convert-an-image-to-base64-string-and-base64-string-to-image

https://forums.asp.net/t/2143498.aspx?Image+FromStream+ms+parameter+is+not+valid