Textbox validating event in vb net
Back Color = vb Yellow End Sub Private Sub Text1_Lost Focus() Text1.Back Color = vb White End Sub Private Sub Text1_Validate(Cancel as Boolean) Cancel = (Text1. In some applications, however, the code in the Text1_Lost Focus method might depend on some variable that has been set in the Validate event.Once a Text Box is on the Form, you can move it around and resize it using mouse and set its properties and events. The easiest way to set properties is from the Properties Window.Once a Text Box control is ready with its properties, next step is to add the Text Box control to the Form. You can open Properties window by pressing F4 or right click on a control and select Properties menu item. The Location property takes a Point that specifies the starting position of the Text Box on a Form. NET controls is in the order in which they fire the Lost Focus and Validate events.
After you drag and drop a Text Box on a Form, the Text Box looks like Figure 1. The following code snippet adds a Text Box control to the current Form.From what I understand, they both occur at the same time. Leave Event, the Leave event occurs right before the validating event.This would initially make me think I would rather use the Leave event, as it occurs first.You should always use the Validating event, it was made to support validation.If not to prevent the focus change then at least for the Causes Validation property.