How Can I Access Sql Server Data Base Form Other Mashing (Pc) In C# Win Application

using System.Data.SqlClient;

private void button1_Click(object sender, EventArgs e)
{
    string connectionString = "Data Source=SERVERNAME;Initial Catalog=BASENAME;Persist Security Info=True;User ID=USERNAME;Password=PASSWORD";
    SqlConnection conn = new SqlConnection(connectionString);
    conn.Open();
    string cmdText = "select * from TBL1";
    SqlCommand cmd = new SqlCommand(cmdText, conn);
    SqlDataReader rdr = cmd.ExecuteReader();
    DataTable tbl = new DataTable();
    tbl.Load(rdr);
    dataGridView1.DataSource = tbl;
    conn.Close();
}