C# Simple Calculator

[@joshuaadriano166]

thank u sir

[@ronamaevillanueva1920]

noted, thanks po sir

[@lopoandrea1937]

thank uu

[@thenobody8037]

Pls add return; after MessageBox.Show("Something went wrong!","ERROR!",MessageBoxButtons.Ok, MessageBoxIcon.Error);

[@danielbesaga1478]

Sir anong app po yam hehh