Net textbox validating 2nd dating tips
08-Oct-2020 03:21
For example, if you have a text box that must contain a postal code, you can perform the validation in the following ways: The Validating event is supplied an object of type Cancel Event Args.
If you determine that the control's data is not valid, you can cancel the Validating event by setting this object's Cancel property to .
If not to prevent the focus change then at least for the Causes Validation property.
Which you set to False on, say, the Cancel button of a dialog.
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For example, if you have code in a Validated event that attempts to cancel the data binding, the data binding will still occur.If you need to require users to enter data in a well-defined format, such as a telephone number or a part number, you can accomplish this quickly and with minimal code by using the Masked Text Box control.
