Filtering a dataset using dataview in Csharp

In this blog we will know how to Filter a dataset using dataview

In this blog we will know how to Filter a dataset using dataview.

 

App.xml file

 

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

<configuration>

<appSettings>

                        <add key="dsn" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\emp.mdb" />

            </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 Filtering_a_dataset_using_dataview_Cs

{

    public partial class Form1 : Form

    {

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

        OleDbCommand com;

        OleDbDataAdapter oledbda;

        DataSet ds;

        string str;

        public Form1()

        {

            InitializeComponent();

        }

 

        private void btnfilterdata_Click(object sender, EventArgs e)

        {

            OleDbConnection con = new OleDbConnection(ConnectionString);

            try

            {

                con.Open();

                str = "select * from student";

                com = new OleDbCommand(str, con);

                oledbda = new OleDbDataAdapter(com);

                ds = new DataSet();

                oledbda.Fill(ds, "student");

                DataView dv = new DataView(ds.Tables["student"]);

                dv.RowFilter = "smarks>70";

                dv.Sort = "smarks asc";

                ListBox1.DataSource = dv;

                ListBox1.DisplayMember = "smarks";

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

            con.Close();

 

        }

    }

}