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 System.Data.OleDb;
namespace Fetch_multi_in_combobox
{
public partial class Form1 : Form
{
string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dsn"];
OleDbCommand com;
OleDbDataAdapter oda;
DataSet ds;
string str;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
comboBox1.Text = "Select";
OleDbConnection con = new OleDbConnection(ConnectionString);
con.Open();
str = "select * from Students";
com = new OleDbCommand(str, con);
oda = new OleDbDataAdapter(com);
ds = new DataSet();
oda.Fill(ds, "Students");
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
comboBox1.Items.Add(ds.Tables[0].Rows[i]["StudentID"] + " ," + ds.Tables[0].Rows[i]["CourseID"] + " ," + ds.Tables[0].Rows[i]["FirstName"] + " ," + ds.Tables[0].Rows[i]["Surname"]);
}
}
}
}