save the project in name of the read file
1 include the handler of the using System.IO
2 create the buttons in the form respectively as in code
3 stream reader also include
4 save the file in the bin folder debugg of name phone.Text thnx
5 phone.txt must contains name and phone numbers
run the code and enjoy.....!!
//Code
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
namespace ReadFile
{
public partial class Form1 : Form
{
private StreamReader phoneStreamReader;
public Form1()
{
InitializeComponent();
}
private void button2_Click(object sender, EventArgs e)
{
phoneStreamReader.Close();
this.Close();
}
private void DisplayRecord()
{
// read and display the next record
if (phoneStreamReader.Peek() != -1)
{
NameTextBox.Text = phoneStreamReader.ReadLine();
PhoneTextBox.Text = phoneStreamReader.ReadLine();
}
else
MessageBox.Show("Please try again");
}
private void button1_Click(object sender, EventArgs e)
{
//read the next record
DisplayRecord();
}
private void Form1_Load(object sender, EventArgs e)
{
//open the file and display the first record
try
{
phoneStreamReader = new StreamReader("Phone.txt");
DisplayRecord();
}
catch
{
//file is not found
MessageBox.Show("File does not exsist.");
}
}
}
}
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