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calculator needs to "see" wrong input
Hello, I'm making a calculator with four buttons (*, /, - and +). pressing one of the four buttons should calculate the desired function from two Textboxes and put it in a third one. The problem is that it has to give an error if one of the two inputs is not a number.... i just don't know how...- ph03nix
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- Replies: 5
- Forum: Visual Basic (Classic)
