My problem is that I wrote a method in C #, to which I pass a form and a datarow, this is in charge of creating everything related to data management, everything goes well but I have noticed that when in the form there is data that They are filled through a search, that is, they are not entered via keyboard, all other data is removed from the datamember and if I modify its any other data, the one that was searched is emptied. I can't find a reason for it. Could someone help me?