How to check the syntax of the string entered in c #

Question

Hi friends I have a problem it is in the database for example the username and the password miniscule but when I input in visual capital studio it accepts them how to solve this problem

ma ouml · Answer

Ramesh Palanivel The visual studio accepts what are the letters either in small or capital letter plus I want when for example in the database in small and when I seized it in studio screw in capital letter it must send me a mistake

Ramesh Palanivel · Answer

Hi ma Is your user name and password accepts both small letter and capital letter? Is this ur problem?

ma ouml · Answer

Ramesh Palanivel Shweta Lodha I said that I have in the database a user table which contains Id_user and username and password and I connected the database to visual studio I created an interface that contains username and password for example j ' Ai in the database MAROUA and password 1234maroua When I grasped maroua and 1234MAROUA in visual studio it accepts them even if in the database are not the same ones that I entered in visual studio

Shweta Lodha · Answer

Not able to understand your query

Ramesh Palanivel · Answer

Hi ma Can you explain clearly your question. Its not understandable