Search as you type using c#

Ahmed S — Sat, 04 May 2013 07:03:00 +0000

Add Datagridview1, Textbox control and two radio buttons on form, radio button name rd1, rd2.

// Form Mudule

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;

namespace Search

{

public partial class Search : Form

{

ClassS a = new ClassS ();

DataTableds = new DataTable();

public Search()

{

InitializeComponent();

}

privatevoid textBox1_TextChanged (object sender, EventArgse)

{

stringstr = textBox1.Text;

if(rd1.Checked == true)

{ a.flg = true; }

if(rd2.Checked == true)

{ a.flg = false; }

intcnt = str.Length;

if(cnt > 0)

{

ds = a.gridSearch(“Tablename”,textBox1.Text);

dataGridView1.DataSource = ds;

}

// Calss Mudule

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Data.OleDb ;

using System.Data;

using System.ComponentModel;

using System.Windows.Forms;

namespace Search

{

class ClassS

{

OleDbConnection aConnection =newOleDbConnection() ;

privateString s;

public int i = 0;

public Boolean flg;

publicClassS()

{

aConnection = new OleDbConnection(“Provider=Microsoft.Jet.OLEDB.4.0;Data Source=”+ Application.StartupPath + @”Database.mdb”);

}

# region gridSearch

public DataTable gridSearch(stringa, string b)

{

stringquery=“”;

if (flg == true)

{

query = “select fname,mname,lname from “ + a + ” where fname like ‘” + b + “%’ ORDER BY fname ASC”;

}

if (flg == false)

{

query = “select fname,mname,lname from “ + a + ” where lname

like ‘” + b + “%’ ORDER BY lname ASC”;

}

using (OleDbCommand comand = newOleDbCommand(query, aConnection))

{

OleDbDataAdapter da = new OleDbDataAdapter ();

da.SelectCommand = comand;

DataTableds = new DataTable();

ds.Locale = System.Globalization.CultureInfo.InvariantCulture;

da.Fill(ds);

returnds;

}

# endregion

}

Output:

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Search as you type using c#