not inserting, or reading sql rows in order

i have a button and 2 text boxes to insert data
i have a button and 2 text boxes to read the data
it seems that when i insert a row, it is not being inserted as the very next row. or at least it is not reading it in order

1st. I add rows with the values (2 columns in table) 1 and 1, then 2 and 2, then 3 and 3
2nd. I read the rows, the do not come up in order 1 and 1, then 2 and 2, then 3 and 3. I will get somethign like 1 and 1, then 3 and 3, then 2 and 2,
it does read it the same way each time i read it.

to insert row i...

vb.net Code:

Private Sub btnInsert_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnInsert.Click
 
        'code below inserts row
        Dim connetionString As String
        Dim connection As SqlConnection
        Dim adapter As New SqlDataAdapter
        Dim sql As String
        connetionString = "Data Source=.\SQLEXPRESS;Initial Catalog=MemberList;Integrated Security=True"
        connection = New SqlConnection(connetionString)
        Try
            connection.Open()
            sql = "insert into MemberList (MemberName, MemberAge) values('" & txtInsertName.Text & "', '" & txtInsertAge.Text & "')"
            adapter.InsertCommand = New SqlCommand(sql, connection)
            adapter.InsertCommand.ExecuteNonQuery()
            MsgBox("Row inserted !! ")
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try
    End Sub

to read the rows (text boxes change before each msgbox) i...

vb.net Code:

Private Sub btnRead_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRead.Click
        'code below reads rows and displays data 
 
        Dim sqlConn As New SqlConnection("server=.\SQLEXPRESS;Integrated Security=true; Database=memberlist;")
        sqlConn.Open()
        Dim sqlComm As New SqlCommand("SELECT * FROM memberlist", sqlConn)
        Dim dr As SqlDataReader = sqlComm.ExecuteReader()
        While dr.Read
            txtReadName.Text = (dr("MemberName"))
            txtReadAge.Text = (dr("MemberAge"))
            MsgBox("Next")
        End While
        sqlConn.Close()
    End Sub