Validating textbox c

16-Sep-2019 04:15

This control has additional functionality that is not found in the standard Windows text box control, including multiline editing and password character masking.

A text box object is used to display text on a form or to get user input while a C# program is running.

Textbox password character Text Box controls can also be used to accept passwords and other sensitive information.

You can use the Password Char property to mask characters entered in a single line version of the control The above code set the Password Char to * , so when the user enter password then it display only * instead of typed characters.

The below code set a textbox width as 250 and height as 50 through source code.

Text Box Events Keydown event You can capture which key is pressed by the user using Key Down event e.g.

When the text in the txt Code control be more than 5 chars, the messagebox will show only once.

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You can open Properties window by pressing F4 or right click on a control and select Properties menu item.

Chances are you will need to prove that you know how to work with . These C# Interview Questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of . These sample questions are framed by our experts team who trains for .