Get Clients - Ghosts

public string GetNames(int clientIndex) // Get Client Names
        {
            byte[] nameb = new byte[16];
            string namestr = Encoding.ASCII.GetString(nameb).Replace(Convert.ToChar(0x00).ToString(), string.Empty);
            GetMemory(0xF12B80 + ((uint)clientIndex * 0x3600) + 0x2f1c, ref nameb);
            return namestr;

        }

private void getclients_Click(object sender, EventArgs e) // Get Client Table
        {
            if (dataGridView1.Rows.Count == 1)
            {
                dataGridView1.Rows.Add(12);
            }
            for (int i = 0; i < 12; i++)
            {
                dataGridView1[0, i].Value = "Client" + i;
                dataGridView1[1, i].Value = GetNames(i);
            }
        }