1. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace neha
{
class MATRIX
{
static void Main(string[] str)
{
Console.WriteLine(" Program to calculate addition of two matrix of size
2*2 ");
int[,] m1 = new int[3, 3];
Console.WriteLine();
Console.WriteLine("Enter the Values of 1st matrix : ");
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
m1[i, j] = int.Parse(Console.ReadLine());
}
}
int[,] m2 = new int[3, 3];
Console.WriteLine("Enter the Values of 2nd matrix :");
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
m2[i, j] = int.Parse(Console.ReadLine());
}
}
int[,] c = new int[3, 3];
Console.WriteLine("The Addtion of Matrix is : ");
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
Console.Write((m1[i, j] + m2[i, j]) + " ");
}
Console.WriteLine();
}
Console.ReadLine();
}
}
}
/***WAP to calculate addition of two 2*2 matrix***/

2. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
OUTPUT

3. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace NEHA
{
class STRING
{
public static void length()
{
string s;
Console.WriteLine("Enter The String ");
s = Console.ReadLine();
Console.WriteLine("Lenght of the String is :" + s.Length);
}
public static void palindrome()
{
string str, revstr;
Console.WriteLine("Enter Any String to Know It is Palindrome or not");
str = Console.ReadLine();
char[] tempstr = str.ToCharArray();
Array.Reverse(tempstr);
revstr = new string(tempstr);
bool caseignore = str.Equals(revstr, StringComparison.OrdinalIgnoreCase);
if (caseignore == true)
{
Console.WriteLine("............" + str + " Is a
Palindrome..........");
}
else
{
Console.WriteLine("............" + str + " Is Not a
Palindrome........");
}
}
static void Main(string[] args)
{
length();
palindrome();
Console.ReadLine();
}
}
}
/*** create a class to perform following operations:-
 Calculate the length of string.
 Check whether the string is a palindrome or not. ***/

4. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
OUTPUT

5. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace neha
{
class EVENODD
{
static void Main(string[] str)
{
Console.WriteLine("Even" + " " + "ODD");
for (int i = 0; i < 50; i++)
{
if ((i % 2) == 0)
Console.Write(i + " ");
else
{
if ((i % 2) != 0)
Console.WriteLine(i);
}
}
Console.ReadLine();
}
}
}
/***WAP to generate series of even and odd numbers
separately between 1to50***/

6. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
OUTPUT

7. C# Practical File 2013
By: Syed Mohd Naqi Zaidi

8. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace neha
{
class FACTORIAL
{
public static string rev(string st)
{
char[] ar = st.ToCharArray();
Array.Reverse(ar);
return new string(ar);
}
static int a, b = 1;
static string st;
static void Main(string[] str)
{
Console.Write(" Program to Calculate the Factorial, length, Reverse of
the string ");
Console.WriteLine();
Console.WriteLine();
Console.Write("Enter the any value:");
a = int.Parse(Console.ReadLine());
for (int i = a; i > 1; i--)
{
b = b * i;
}
Console.Write("Factorial number: ");
Console.WriteLine(b);
st = b.ToString();
st = rev(st);
Console.Write("Length of string: ");
Console.WriteLine(st.Length);
Console.Write("Reverse String: ");
Console.WriteLine(st);
Console.ReadKey();
}
}
}
/***WAP to find the factorial of given integer, inverse
of the number, calculate sum of the digits***/

9. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
OUTPUT

10. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
Define a class to represent a bank account having
following members name, acc. No, type, initial
values deposited amt, withdraw amt and display
balance.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Collections;
using System.Media;
using System.Resources;
using System.Reflection;
using System.Diagnostics;
using System.IO;
namespace timer_and_acount_prog
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
Form2 frm = new Form2();
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "" || textBox3.Text == "" ||
(!Regex.IsMatch(textBox1.Text, @"[0-9]") || !(Regex.IsMatch(textBox3.Text, @"[0-
9]"))))
{
MessageBox.Show("Please Enter the integer value in: " + 'n' +
'n' + " ACCOUNT NO. AND TOTAL AMOUNT", "MANI MESSAGE");
}
else if (textBox2.Text == "" || textBox4.Text == "" ||
(!Regex.IsMatch(textBox2.Text, @"[a-zA-Z]") || !(Regex.IsMatch(textBox4.Text,
@"[a-zA-Z]"))))
{
MessageBox.Show("Please Enter the String in: " +
Environment.NewLine+'n' + "NAME AND ACCOUNT TYPE", "MANI MESSAGE");
}
else
{
frm.a = int.Parse(textBox1.Text);
frm.b = int.Parse(textBox3.Text);
frm.d = button1.Text;
frm.Show();

11. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
this.Hide();
}
}
private void button3_Click(object sender, EventArgs e)
{
if (textBox1.Text == "" || textBox3.Text == "" ||
(!Regex.IsMatch(textBox1.Text, @"[0-9]") || !(Regex.IsMatch(textBox3.Text, @"[0-
9]"))))
{
MessageBox.Show("Please Enter the integer value in: " + 'n' +
'n' + " ACCOUNT NO. AND TOTAL AMOUNT", "MANI MESSAGE");
}
else if (textBox2.Text == "" || textBox4.Text == "" ||
(!Regex.IsMatch(textBox2.Text, @"[a-zA-Z]") || !(Regex.IsMatch(textBox4.Text,
@"[a-zA-Z]"))))
{
MessageBox.Show("Please Enter the String in: "+
Environment.NewLine+'n' +"NAME AND ACCOUNT TYPE", "MANI MESSAGE");
}
else
{
frm.a = int.Parse(textBox1.Text);
frm.b = int.Parse(textBox3.Text);
frm.d = button3.Text;
frm.Show();
this.Hide();
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button4_Click(object sender, EventArgs e)
{
this.Close();
}
private void button2_Click(object sender, EventArgs e)
{
MessageBox.Show("Account No.: " + textBox1.Text.ToString() +
'n' + 'n' + "Name Is: " + textBox2.Text + 'n' + 'n' + "Total
Amount: " + textBox3.Text.ToString() + 'n' + 'n' + label4.Text + ": " +
textBox4.Text, "MANI MESSAGE");
}
}
}
FORM 2
using System;

12. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows.Forms;
namespace timer_and_acount_prog
{
public partial class Form2 : Form
{
public int a, b, c;
public string d,s;
public Form2()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Form1 f = new Form1();
if (textBox5.Text == "" || (!Regex.IsMatch(textBox5.Text,@"[0-9]")))
{
MessageBox.Show("Please Enter the integer value");
}
else
{
c = int.Parse(textBox5.Text);
if (label5.Text == "Deposit")
{
textBox2.Text = (b + c).ToString();
}
else
{
if (b > c)
{
textBox2.Text = (b - c).ToString();
}
else
MessageBox.Show("Your Amount Is More than total Amount
"+'n'+" Your Current Balance is: "+b);
}
MessageBox.Show("ACCOUNT NO. " + textBox1.Text + " " + "
Balance Is " + textBox2.Text, "KALRA BANK ;) :P");
}
}
private void Form2_Load(object sender, EventArgs e)
{
Form1 f = new Form1();
f.Hide();
textBox1.Text = a.ToString();
label5.Text = d;
label5.Visible = true;
textBox5.Visible = true;
textBox1.ReadOnly = true;
}

13. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
private void button2_Click(object sender, EventArgs e)
{
Form1 frm = new Form1();
this.Close();
frm.Show();
}
}
}

14. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
OUTPUT:-

15. C# Practical File 2013
By: Syed Mohd Naqi Zaidi
Swap two values using call by reference .
a) Create a method using reference parameter to calculate square of no.
b) Create a class by name decompose that separates the integer no and
fractional part of given floating point no.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Swap
{
class Swapping
{
class Swap
{
public void swap(ref int a, ref int b)
{
int t;
t = a;
a = b;
b = t;
}
static void squareRef(ref int refParameter)
{
refParameter *= refParameter;
}
public class SwapDemo
{
public static void Main()
{
Swap ob = new Swap();
int x = 10, y = 20;
Console.WriteLine("X and Y Before call: " + x + " " + y);
ob.swap(ref x, ref y);
Console.WriteLine("X and Y After call: " + x + " " + y);
int arg;
arg = 5;
squareRef(ref arg);
Console.WriteLine("Square Of a Number is :"+arg);
Console.Read();
}
}
}
}
}

16. C# Practical File 2013
By: Syed Mohd Naqi Zaidi