Vb net textbox event validating
Text Changed End Sub Public Sub Text Box1_Validating(By Val sender As Object, _ By Val e As System. Hi All, I am writing a simple win form which contains a button, when user click the button i want to validate all the other textbox and see if there is anything goes wrong may i know how can i trigger the validating event for all text box? thx and regard,s Norton Norton, It sounds for me as a horse behind the car.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.Text = "") End Sub Now consider the corresponding VB. If the end user clicks on a different control and Text1 contains an empty string, the Lost Focus event resets the background color to white, then the Validate event cancels the focus shift, and finally the Got Focus event changes the background color to yellow again. If this is the case, the converted code might fail or behave unexpectedly. Label 'Required by the Windows Form Designer Private components As System. Container 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. Resume Layout(False) End Sub #End Region Private Sub Text Box1_Text Changed(By Val sender As System.
Run(form1) End Sub End Class Public Class Form1 Inherits System. Protected Overloads Overrides Sub Dispose(By Val disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components. Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System. IContainer 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer.
In such cases, you can force the controls in the support library to behave more closely to the original VB6 controls by setting the VB6Config.
Focus Event Support static property to True: When this property is True, the support library ensures that the Lost Focus event is always fired after the Validate event.
Forms Public Class Main Class Shared Sub Main() Dim form1 As Form = New Form1 Application. Initialize Component() 'Add any initialization after the Initialize Component() call End Sub 'Form overrides dispose to clean up the component list.
New() 'This call is required by the Windows Form Designer.