Private Sub DeleteButton_Click(sender As Object, e As EventArgs) Handles DeleteButton.Click
        Try
            connection.Open()
            Using command As New SqlCommand("DELETE FROM students WHERE STUDENT_NUMBER = @NUM", connection)
                command.Parameters.Add("@NUM", SqlDbType.VarChar).Value = txtRegNumber.Text
                command.ExecuteNonQuery()
                MessageBox.Show("DATA WAS DELETED sUCCESSFULLY")
            End Using
            connection.Close()
        Catch ex As Exception
            MessageBox.Show(ex.Message, "An Error Occurred", MessageBoxButtons.OK, MessageBoxIcon.Error)
        End Try
    End Sub