How send data sepratly in socket programming with c#

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C#

ok , it`s my problem there are two integer data that i want send them sepratly with my client program to my server program :
i use this function for send :

<pre lang="cs">void sendata(int d)
{
    byte[] data = new byte[1024];
    data = BitConverter.GetBytes(d);
    sock.Send(data, data.Length, SocketFlags.None);
}

when timer run do like this in below :

<pre lang="cs">private void timer1_Tick(object sender, EventArgs e)
{
    int a ;
    try
    {
        a =+ a;
        sendata(a);
    }
    catch
    {
        //MessageBox.Show("error","er");
        //sock.Shutdown(SocketShutdown.Both);
        //sock.Close();
        //Close();
    }

ok , if i want the sending two integer data like int a for example data #1 and int b for another data , how could i seprate them in send function and , seprate them when recieve them in another program ?