C# Code

I had two errors that said Error Type 'Week_7.Form1' already defines a member called 'updateContactList' with the same parameter types

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 Week_7

{

public partial class Form1 : Form

{

private System.IO.FileStream outputFileStream;

private System.IO.StreamWriter streamWriter;

private System.IO.FileStream inputFileStream;

private System.IO.StreamReader streamReader;

public Form1()

{

InitializeComponent();

this.textBox2.Enabled = false;

this.button1.Enabled = false;

this.outputFileStream = new System.IO.FileStream(@"contacts.txt", System.IO.FileMode.Append);

this.streamWriter = new System.IO.StreamWriter(inputFileStream);

this.inputFileStream = new System.IO.FileStream(@"contacts.txt", System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Read);

this.streamReader = new System.IO.StreamReader(inputFileStream);

}

private void updateContact()

{

throw new NotImplementedException();

}

private void updateContactFile()

{

throw new NotImplementedException();

}

private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

}

private void updateContactFile()

{

}

private void label3_Click(object sender, EventArgs e)

{

}

private void listBox1_SelectedIndexChanged(object sender, EventArgs e)

{

}

private void updateContactList()

{

string name = this.textBox1.Text;

string email = this.textBox2.Text;...