App Crashes when connecting to remote database

Hi Forum why is that my app crashes when connecting to the database server that it is in the US
here is my code for connecting to database

        SqlConnectionStringBuilder dbConnect = new SqlConnectionStringBuilder();
        dbConnect.DataSource = "my.rem.servr.host";
        dbConnect.UserID = "test123456";
        dbConnect.Password = "XXXXX";

        using (var ConnectedtoDatabase = new SqlConnection(dbConnect.ConnectionString))
        {
            try
            {
                ConnectedtoDatabase.Open();
                Label label = new Label
                {
                    Text = "Success connecting"
                };
                Content = label;


            }
            catch (SqlException)
            {
                Label label = new Label
                {
                    Text = "Fail on Connecting"
                };
                Content = label;
            }
        }