Errorprovider validating event

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The string specified in the second argument in the function invocation is displayed as the tooltip when the mouse is moved over the Error indicator.

When the user enters data in the controls which fails validation, a blinking error image is displayed on the form next to the control and the error message is displayed as a tooltip to the error image.

Within your "Accept" button click handler (the "save" button) process each control that Causes Validation to ensure that they are all valid...

Within your "Accept" button click handler (the "save" button) process each control that Causes Validation to ensure that they are all valid... I got the following tip from "Windows Forms Programming in C#" by Chris Sells, from Addison Wesley.

The trick is to set the Validating Type of the Masked Text Box control to the type of data you want to get from the user. New() 'This call is required by the Windows Form Designer. Text Box Friend With Events txt Last Name As System. This article is entirely original, unless specified.Any resemblance to other material is an un-intentional coincidence and should not be misconstrued as malicious, slanderous, or any anything else hereof.

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