Validate Value - Must Be Numeric and Valid

                If IsNumeric(txtbxPeriodOther.Text.Trim) = False Then

                    ''Display Message to User
                    System.Windows.MessageBox.Show("Specified Value does Not Appear to be Numeric. Please Only Use Numeric Values", "Problem with Value Specifed for ""Other"" Time Value", MessageBoxButton.OK, MessageBoxImage.Information)

                End If