'Password Generator
'Random Password ,combination of {"integer","Alphabet","Special Characters"}
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Collections;
public class PassGenerator
{
public string GetPassword()
{
StringBuilder builder = new StringBuilder();
builder.Append(RandomString(4, true));
builder.Append(RandomNumber(1000, 9999));
builder.Append(RandomString(2, false));
builder.Append( RandomSpecialCharacter());
return builder.ToString();
}
private int RandomNumber(int min, int max)
{
Random random = new Random();
return random.Next(min,max);
}
private string RandomString(int size, bool lowerCase)
{
StringBuilder builder = new StringBuilder();
Random random = new Random();
char ch;
for (int i = 0; i< size; i++)
{
ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble()+ 65)));
builder.Append(ch);
}
if (lowerCase)
return builder.ToString().ToLower();
return builder.ToString();
}
public string RandomSpecialCharacter()
{
StringBuilder builder = new StringBuilder();
Random random = new Random();
ArrayList arSpecialCharacter = new ArrayList();
arSpecialCharacter.Add("_");
arSpecialCharacter.Add("#");
arSpecialCharacter.Add("$");
arSpecialCharacter.Add("(");
arSpecialCharacter.Add(")");
arSpecialCharacter.Add("~");
arSpecialCharacter.Add("!");
string str = string.Empty;
int intnumber=0;
for (int i = 0; i < 3; i++)
{
intnumber = random.Next(6);
str = arSpecialCharacter[intnumber].ToString();
builder.Append(str);
}
return builder.ToString();
}
}
}
'Code to declare object of PassGenerator Class
PassGenerator obj =new PassGenerator();
'Displaying the generated password
lblPassword.Text = obj.GetPassword();