message box doesn't appear

derya burhanoglu 1 Reputation point
2021-03-30T10:31:54.483+00:00

I wrote code and put the button on the design part.It has to come up a message says "hello world" when I click the button but there wasn't any message box on screen.what can I do ?

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
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  1. Pranam K 6 Reputation points
    2021-03-30T12:32:26.73+00:00

    Can you elaborate your problem..

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