Filtering a dataset using DataTable DefaultView RowFilter in Csharp

In this blog we will know how to Filter a dataset using DataTable DefaultView RowFilter.

App.xml file

<?xml version="1.0" encoding="utf-8" ?>

</appSettings>

</configuration>

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 DataTable_DefaultView_RowFilter

{

public partial class Form1 : Form

{

string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dsn"];

OleDbCommand com;

OleDbDataAdapter oledbda;

DataSet ds;

DataTable dt;

string str;

public Form1()

{

InitializeComponent();

}

private void btndisplayall_Click(object sender, EventArgs e)

{

bind();

}

void bind()

{

OleDbConnection con = new OleDbConnection(ConnectionString);

con.Open();

str = "select * from student";

com = new OleDbCommand(str, con);

oledbda = new OleDbDataAdapter(com);

ds = new DataSet();

dt = ds.Tables["student"];

oledbda.Fill(ds, "student");

dataGridView1.DataSource = ds;

dataGridView1.DataMember = "student";

con.Close();

}

private void btndisplay_Click(object sender, EventArgs e)

{

bind();

dt = ds.Tables["student"];

dt.DefaultView.RowFilter="saddress='" + textBox1.Text.Trim()+"'";

dataGridView1.DataSource = dt.DefaultView;

}