Step 1: Creat projrct and open MainPage.xaml .

Step 2: Drag and drop 1 TextBox 1 TextBlock and 1 Button from Toolbox to Grid and resize it how much you want .



Step 3: Double click on Button and it will bring you in MainPage.xaml.cs.

Step 4: Type this code in MainPage.xaml.cs and run the project.




Step 5: Here will be the the output of your project.