SqlConnectionStringBuilder sb = new SqlConnectionStringBuilder();
            sb.DataSource = "192.168.1.101";
            sb.InitialCatalog = "db1";
            sb.Password = "Auto@sql";
            sb.UserID = "sa";
            sb.IntegratedSecurity = false;
            sb.ConnectTimeout = 60;
            sb.Pooling = true;
            int i = 1000;
            while (i > 0)
            {
                using (SqlConnection conn = new SqlConnection(sb.ConnectionString))
                {
                    conn.Open();
                    SqlCommand comm = conn.CreateCommand();
                    comm.CommandText = @"
                BEGIN TRAN TR1
INSERT INTO TB5(ID)
SELECT 1
RETURN 
                ";
                    comm.CommandType = System.Data.CommandType.Text;
                    comm.ExecuteNonQuery();
                    conn.Close();
                }
                i--;
                Console.WriteLine(i);
            }
            System.Threading.Thread.Sleep(60 * 1000);