Good day guys can you help me, I have this error called Object reference not set to an instance of an object in my code. here is the code.
Also this is the winforms
I want the data to fill in the textboxes. This is the data
and this is my procedure
this code is actually from my previous questions I have to change because of some circumstances.
It actually work once but the other day when I want to try it, it is not working I'm sorry.