how to enter the date in the masked text box and how to validate it

Check the Mask property of masked text box

Dim isDate As Date
        If Date.TryParse(MaskedTextBox1.Text, isDate) Then
            MessageBox.Show("Validation Successful")
        Else
            MessageBox.Show("Validation Failure ")
        End If
Private Sub MaskedTextBox1_Validated(ByVal sender As Object, ByVal e As System.EventArgs) Handles MaskedTextBox1.Validated
        MsgBox(".use this Event to .Validate a MaskedTextBox.", MsgBoxStyle.Information)
    End Sub
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