How to retrieve and display data from database (ms access) using c#.net

Step 1: Start the visual studio 2010 and open new project

design the form like

 

Step 2 : Create the database and add some fields like

           

Step 3 : Connect the access database form server explorer like

Server explorer->add connection->

Browse ->select the particular access database

Check test connection and press ok.

Step 4: Write the coding like

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 exam1

{

    public partial class Form1 : Form

    {

       OleDbConnection vcon = new OleDbConnection (@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\ANNAS\Documents\Visual Studio 2010\Projects\exam1\exam1\exa.mdb");

        public Form1()

        {

            InitializeComponent();

        }

private void Form1_Load(object sender, EventArgs e)

        {

            vcon.Open();

        }

//get the connection link from server explorer choose particular database properties for connection string

private void button1_Click(object sender, EventArgs e)

        {

            string vsql = "select * from show where firstname='"+textBox1 .Text +"'";

            OleDbCommand vcom = new OleDbCommand(vsql, vcon);

            DataSet vds = new DataSet();

            OleDbDataAdapter vda = new OleDbDataAdapter(vcom);

            vda.Fill(vds, "res");

            dataGridView1.DataSource = vds.Tables["res"];

            vda.Dispose();

            vcom.Dispose();

        }

private void button2_Click(object sender, EventArgs e)

        {

            string vsql = "select * from show";

            OleDbCommand vcom = new OleDbCommand(vsql, vcon);

            DataSet vds = new DataSet();

            OleDbDataAdapter vda = new OleDbDataAdapter(vcom);

            vda.Fill(vds, "res");

            dataGridView1.DataSource = vds.Tables["res"];

            vda.Dispose();

            vcom.Dispose();

        }

    }

}

Step 5: Execute the project like

Step 6: Stop the Program execution.