connect as/400 database from dotnet application: communication error

[navanee25]

Hi friends
I have tried to connect as/400 database from my window application. as/400 database located in another location. i have tried to connect from my local machine.but its keep on getting error (communication error and connection could not be open). can any one guide me. here i have posted my coding.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using IBM.Data.DB2.iSeries;
using System.IO;
using System.Diagnostics;
namespace dummyas400
{
    //;Database=S068F966
    public partial class Form1 : Form
    {
        
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();
            iDB2Connection con = new iDB2Connection("DataSource=XXX.XX.XXX.XX:XX;userid=XXXXX;password=XXXX;CheckConnectionOnOpen=true;EnablePreFetch=false;");
            con.Open();
            iDB2Command cmd = new iDB2Command();
            iDB2DataAdapter da;
            cmd.Connection = con;
            cmd.CommandText = "select * from marwellsys.sampledb";
            
            //con.Open();
            da = new iDB2DataAdapter(cmd.CommandText, con);
            
            //DataSet ds = new DataSet();
            //ds.Clear();
            da.Fill(ds);
            dataGridView1.DataSource = ds.Tables[0];
            con.Close();
        }
    }
}

[navanee25]

how do connect as/400 database from dotnet application

I want to create window Application Using Dot Net.In that Application i would like to connect As/400 Database(DB2) as Back End tool. But My DB2 is located in different location. For this Requirement what i do and how its possible. Can any one guide me .