Mask Text Box Vb Net

It is the best way to stop users from entering invalid data into an input control. The maskedtextbox control actually defers all mask processing to the system componentmodel maskedtextprovider class specified by the maskedtextprovider property. 40508 a maskedtextbox control provides validation mechanism for user input on a form.

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Mask is the default property for the maskedtextbox class.

Mask text box vb net. The text property will always retrieve the user s input formatted according to the mask and the textmaskformat property. Mask must be a string composed of one or more of the masking elements as shown in the following table. The mask is used to distinguish between proper and improper user input. It appears as shown in the image below click on set mask or directly click on browse button a dialog box appears put value according to your requirement in mask labeled textbox click ok.

The masking language used by maskedtextbox is defined by its associated maskedtextprovider. Text box controls allow entering text on a form at runtime. By default it takes a single line of text however you can make it accept multiple texts and even add scroll bars to it. For example if you want a textbox to accept date in mm dd yyyy format you can set masking in the maskedtextbox.

Use maskedtextbox control to accept input from user. In this article i will discuss how to create a maskedtextbox control in windows forms at design time as well as run time using vb net. For example if you need a textbox that should accept dates in a certain format you should set the masking in the maskedtextbox. Example of masked textbox control in vb net design a simple application that asks for user name mobile number and birth date.

A visual basic maskedtextbox control provides validation mechanism for user input on a form. Steps click on properties in right sidebar. The net maskedtextbox control provides a mechanism to validate user input on a form. The maskedtextbox control constrains the format of user input by distinguishing between proper and improper user input.

Let s create a text box by dragging a text box control from the toolbox and dropping it on the form. The maskedtextbox uses the maskedtextprovider mask syntax. Vb net textbox control.