C#(Get User ID & Password from text File)

//Step1. Import "IO" package.

using System.IO;

//Step2.Declarer Four String Variables.

string username = "";

string password = "";

string str1 = "";

string str2 = "";

//Step3.Write Two StreamReader's Objects their Constructors & Path of the .txt Files

StreamReader sr1 = new StreamReader(@"c:\FolderName\\ID.txt");

StreamReader sr2 = new StreamReader(@"c:\FolderName\\Password.txt");

//Step4.Write While Loop to Read ID & Password Files's Data.

while ((str1 = sr1.ReadLine()) != null)

{

username=str1;

}

while ((str2 = sr2.ReadLine()) != null)

{

password=str2;

}

//Step5.Write "IF" Condition To check is ID & Password are correct.

if(txtUserID.Text==username && txtPasswoed.Text==password)

{

MessageBox.Show("Welcome");

}

else

{

MessageBox.Show("Invalid UserID or Password");

}