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A TextBox control is used to display, or accept as input, a single line or multiline of text. In many situations you need to enter only numeric only values in the Textbox. Here you can see some useful techniques that accept only numbers in the textbox.

To pick a color from the color dialog box, you need to create an instance of the ColorDialog box and invoke to the ShowDialog() method. The code to display the color dialog box and set the BackColor property of the Label control similar to the color selected in the color dialog box control is:

In this article I will show you how to make Login Form in Windows Application using C# where I will enter a dummy data in the form of username and password and will check that the entered data by the user is correct or not. if it is correct, the user gets into his account.

You can use Visual Studio to work faster and more efficiently when you write, navigate, and debug your code. There are some tricks which is helpful to every programmer-

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