C# Tutorials : Create Simple Random Password Generator

C# tutorials for beginner : How to create simple application Random String Password Generator from a string using C sharp programming language.

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C# for Beginner : How to create simple application Password Generator with Random string in C# programming language. This application can make an strong password for user create with random strings. We will create a Function to make random string, and this function will called from a button and a password will be show on the textBox.

Please Read :

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Create New Project (Password Generator)

Just open your visual studio and create new project "Password Generator" and at the Form1.Cs just add two label, TrackBar, Button and TextBox, then design it look like this picture :

After your Form1.cs have done, we will create some line code.

Source code Random Password Generator.

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;

namespace PasswordRandomGenerator {
    public partial class Form1 : Form {
        int PassLength = 0;
        public Form1() {
            InitializeComponent();
        }
        //Create Functions to returns a string parameter with all the characters' position changed.
        static string Random(string Input) {
            var q = from c in Input.ToCharArray()
                    orderby Guid.NewGuid()
                    select c;
            string s = string.Empty;
            foreach (var r in q)
                s += r;
            return s;
        }
        private void button1_Click(object sender, EventArgs e) {
            textBox1.Text = "";
            string txt = "aAbBcCdDeEfFgGhHiIjJhHkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ01234567890123456789,;:!*$@-_=,;:!*$@-_=";
            // call the random function
            txt = Random(txt);
            //cut the string size according to the chosen trackbar value.
            txt = txt.Remove(PassLength);
            textBox1.Text = txt;
        }
        private void trackBar1_ValueChanged(object sender, EventArgs e) {
            //trackbar value starts from 0, so I add +1 to make it understandable;
            PassLength = trackBar1.Value + 1;
            label2.Text = PassLength.ToString();
        }
    }
}

Video Tutorial How to create Simple Random Password Generator

Download Full Source Code Simple Random Password Generator