kunfilec#new

C#.Net Programming Kunal Kumar

03911804413

MCA 3rd sem

INDEX

S.NO. TOPIC DATE SIGN

Lab Exercise :- 1

Ques. Develop an exe with Visual Studio.

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace proj3 { class Program { static void Main(string[] args) { Console.WriteLine("This is the simple executable File "); Console.ReadKey(); } } }

Lab Exercise :- 2

Ques. Develop a private dll with Visual Studio.

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace MyLib1 { public class MyClass { public static void display(String s) { Console.WriteLine("Hello .."+s+"This is the Display Function of MyClass of MyLib1.dll"); } } }

Use the created dll classes in our file

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace console { class Program { static void Main(string[] args) { MyLib1.MyClass.display("KuKu"); Console.WriteLine("Main Exited"); } }}

Lab Exercise :- 3

Ques. Develop shared dll using Visual Studio.

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Reflection; [assembly: AssemblyKeyFile("D:\\programs\\Dot Net\\key1.snk")] namespace MyLib1 { public class MyClass { public static void display(String s) { Console.WriteLine("Hello .."+s+"This is the Display Function of MyClass of MyLib1.dll"); } } }

Key is created for strong name of MyLib1.dll

Lab Exercise :- 4

Ques. Write a program in notepad and compile it using CSC compiler.

using System;

namespace Outer

{

public class MyClass

{

static void Main()

{Console.WriteLine("Main Method of My Class");}

}

}

LAB EXERCISE-5

Ques. Create an abstract class shape with length, width, height and radius as fields and Area() as

abstract function and inherited it for Circle, Square and Rectangle class.

[Develop this program in ASP.NET with good look and feel. Use Images wherever required].

<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master"

AutoEventWireup="true"

CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>

<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">

<Table Border="2" width="700Px">

<tr>

<td class="style1"><asp:Image runat="server" ID="ImgCircle" ImageUrl="~/circle.jpg">

</asp:Image> </td>

<td><asp:Label runat="server" ID="LabRadius" Text="Radius"></asp:Label></td>

<td><asp:TextBox runat="server" ID="TxtRadius"></asp:TextBox></td>

<td>Area:<asp:Label runat="server" ID="LabCircleArea"></asp:Label></td>

<td><asp:Label ID="area1" runat="server" Text=""></asp:Label></td>

</tr>

<tr>

<td class="style1"><asp:Image runat="server" ID="ImgSquare" ImageUrl="~/square.png">

</asp:Image> </td>

<td><asp:Label runat="server" ID="LabSize" Text="Size"></asp:Label></td>

<td><asp:TextBox runat="server" ID="TxtSize"></asp:TextBox></td>

<td>Area:<asp:Label runat="server" ID="LabSquareArea"></asp:Label></td>


</tr> <tr>

<td class="style1"><asp:Image runat="server" ID="Image1" ImageUrl="~/rectangle.png">

</asp:Image> </td>

<td><asp:Label runat="server" ID="LabLength" Text="Length"></asp:Label><br/>

<asp:Label runat="server" ID="LabWidth" Text="Width"></asp:Label>

</td>

<td><asp:TextBox runat="server" ID="TxtLength"></asp:TextBox><br/>

<asp:TextBox runat="server" ID="TxtWidth"></asp:TextBox>

</td>

<td>Area:<asp:Label runat="server" ID="LabRectArea"></asp:Label></td>


</tr>

<tr><td align="center" colspan="4"><asp:Button runat="server" ID="BtnSubmit"

Text="Submit" onclick="BtnSubmit_Click"> </asp:Button>

</td> </tr>

</Table>

</asp:Content>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

namespace WebApplication1

{ public abstract class Shape

{

protected float length;

protected float width;

protected float height;

protected float radius;

abstract public float area();

}

class Circle : Shape

{public Circle(float r)

{

radius = r;

} public override float area()

{

return (3.14f * radius * radius);

}

}

class Square : Shape

{

public Square(float h)

{

height = h;

}

public override float area()

{

return (height * height);

}

}

class Rectangle : Shape

{

public Rectangle(float l, float w)

{length = l;

width = w;

}

public override float area()

{

return (length * width);

}

}

public partial class _Default : System.Web.UI.Page

{

protected void BtnSubmit_Click(object sender, EventArgs e)

{

if ((TxtRadius.Text) != "")

{

float r = (float)Convert.ToDecimal(TxtRadius.Text);

Circle cobj = new Circle(r);

area1.Text = Convert.ToString(cobj.area());

}

if ((TxtSize.Text) != "")

{

float s = (float)Convert.ToDecimal(TxtSize.Text);

Square sobj = new Square(s);

area2.Text = Convert.ToString(sobj.area());

}

if ((TxtLength.Text) != "" && (TxtRadius.Text) != "")

{

float l = (float)Convert.ToDecimal(TxtLength.Text);

float b = (float)Convert.ToDecimal(TxtWidth.Text);

Rectangle robj = new Rectangle(l, b);

area3.Text = Convert.ToString(robj.area());

} } } }

Ques. Demonstrate the Explicit Interface Implementation by creating two or more interfaces that

have same signatures.

using System;

interface Italk1

{

void Read();

}

interface Italk2

{

void Read();

}

class Derived1:Italk1,Italk2

{

void Italk1.Read()

{

Console.WriteLine("Reading from First Interface");

}

void Italk2.Read()

{

Console.WriteLine("Reading from Second Interface");

}

public static void Main(string[] args)

{

Derived dobj=new Derived();

Italk1 o1=(Italk1)dobj;

Italk2 o2=(Italk2)dobj;

o1.Read();

o2.Read();

Console.ReadKey();

}

}

Ques. Demonstrate the Explicit Interface Implementation by creating two or more interface that

have same signatures with Operator ‘AS’.

using System;

interface Italk1

{

void Read();

}

interface Italk2

{

void Read();

}

class Derived:Italk1,Italk2

{

void Italk1.Read()

{

Console.WriteLine("Reading from First interface");

}

void Italk2.Read()

{

Console.WriteLine("Reading from Second Interface");

}


{

Derived1 dobj=new Derived1();

Italk1 o1=dobj as Italk1;

Italk2 o2=dobj as Italk2;

o1.Read();

o2.Read();

Console.ReadKey();

}

}

LAB EXERCISE - 6

Ques. Write a program in C# to implement Delegates.

using System;


using System.Linq;

using System.Text;

public delegate decimal Calculation(decimal a1, decimal a2);

namespace delegate1

{

class Program

{

static void Main(string[] args)

{

Calculation obj=new Calculation(add);

Console.WriteLine("Add Func "+obj(20.0m,22.0m));

obj=new Calculation(sub);

Console.WriteLine("Sub Func "+obj(20.0m,22.0m));

Console.ReadKey();

}

public static decimal add(decimal v1, decimal v2)

{

return v1 + v2;

}

public static decimal sub(decimal v1, decimal v2)

{

return v1 - v2;

}

}

}

Ques. Write a program to implement Multicast Deligate.

using System;

public delegate void Notifier(string sender);

public class MultiDelegateExample

{

Notifier greetings;

public void SayHello(string name)

{

Console.WriteLine(" Hello from " + name);

}

public void SayGoodBye(string name)

{

Console.WriteLine(" Good bye from " + name);

}


{

MultiDelegateExample del = new MultiDelegateExample();

del.greetings = new Notifier(del.SayHello);

del.greetings += new Notifier(del.SayGoodBye);

del.greetings("Kunal");

Console.Read();

}

}

Ques. Write a program to demonstrate the concept of dictionary<key type,value type>pair.

using System;


using System.Linq;

using System.Text;

namespace DictionarySample

{

class Program1

{


{

Dictionary<string, Int16> weekdays= new Dictionary<string, Int16>();

weekdays.Add("monday", 1);

weekdays.Add("tuesday", 2);

weekdays.Add("wednesday", 3);

weekdays.Add("thursday", 4);

weekdays.Add("friday", 5);

weekdays.Add("saturday", 6);

weekdays.Add("sunday", 7);

Console.WriteLine("week days List");

foreach( KeyValuePair<string, Int16> week in weekdays )

{

Console.WriteLine("Key = {0}, Value = {1}",

week.Key, week.Value);

}

Console.ReadKey();

}

}

}

Ques. Write a program to implement Icomparable.

using System;

using System.Collections;

// a simple class to store in the array

public class Employee : IComparable

{

public Employee(int empID)

{

this.empID = empID;

}

public override string ToString( )

{

return empID.ToString( );

}

// Comparer delegates back to Employee

// Employee uses the integer's default

// CompareTo method

public int CompareTo(Object rhs)

{

Employee r = (Employee) rhs;

return this.empID.CompareTo(r.empID);

}

private int empID;

}

public class Tester

{

static void Main( )

{

ArrayList empArray = new ArrayList( );

ArrayList intArray = new ArrayList( );

// generate random numbers for

// both the integers and the

// employee id's

Random r = new Random( );

// populate the array

for (int i = 0;i<5;i++)

{

// add a random employee id

empArray.Add(new Employee(r.Next(10)+100));

// add a random integer

intArray.Add(r.Next(10));

}

// display all the contents of the int array

for (int i = 0;i<intArray.Count;i++)

{

Console.Write("{0} ", intArray[i].ToString( ));

}

Console.WriteLine("\n");

// display all the contents of the Employee array

for (int i = 0;i<empArray.Count;i++)

{

Console.Write("{0} ", empArray[i].ToString( ));

}


// sort and display the int array

intArray.Sort( );

for (int i = 0;i<intArray.Count;i++)

{

Console.Write("{0} ", intArray[i].ToString( ));

}


// sort and display the employee array

//Employee.EmployeeComparer c = Employee.GetComparer( );

//empArray.Sort(c);

empArray.Sort( );

// display all the contents of the Employee array

for (int i = 0;i<empArray.Count;i++)

{

Console.Write("{0} ", empArray[i].ToString( ));

}


}

}

Ques. Write a program to implement the IEnumerable Interface.

using System;


// a simplified ListBox control

public class ListBoxTest : IEnumerable

{

// private implementation of ListBoxEnumerator

private class ListBoxEnumerator : IEnumerator

{

private ListBoxTest lbt;

private int index;

// public within the private implementation

// thus, private within ListBoxTest

public ListBoxEnumerator(ListBoxTest lbt)

{

this.lbt = lbt;

index = -1;

}

// Increment the index and make sure the

// value is valid

public bool MoveNext( )

{

index++;

if (index >= lbt.strings.Length)

return false;

else

return true;

}

public void Reset( )

{

index = -1;

}

// Current property defined as the

// last string added to the listbox

public object Current

{

get

{

return(lbt[index]);

}

}

}

// Enumerable classes can return an enumerator

public IEnumerator GetEnumerator( )

{

return (IEnumerator) new ListBoxEnumerator(this);

}

// initialize the list box with strings

public ListBoxTest(params string[] initialStrings)

{

// allocate space for the strings

strings = new String[8];

// copy the strings passed in to the constructor

foreach (string s in initialStrings)

{

strings[ctr++] = s;

}

}

// add a single string to the end of the list box

public void Add(string theString)

{

strings[ctr] = theString;

ctr++;

}

// allow array-like access

public string this[int index]

{

get

{

if (index < 0 || index >= strings.Length)

{

// handle bad index

}

return strings[index];

}

set

{

strings[index] = value;

}

}

// publish how many strings you hold

public int GetNumEntries( )

{

return ctr;

}

private string[] strings;

private int ctr = 0;

}

public class Tester

{

static void Main( )

{

// create a new list box and initialize

ListBoxTest lbt =

new ListBoxTest("Hello", "World");

// add a few strings

lbt.Add("Who");

lbt.Add("Is");

lbt.Add("smith");

lbt.Add("walker");

// test the access

string subst = "Universe";

lbt[1] = subst;

// access all the strings

foreach (string s in lbt)

{

Console.WriteLine("Value: {0}", s);

}

}

}

Ques. Write a program to implement generic Queue.

using System;


namespace CollectionsApplication

{

class genericqueue

{


{

Queue q = new Queue();

q.Enqueue('H');

q.Enqueue('e');

q.Enqueue('l');

q.Enqueue('l');

q.Enqueue('o');

q.Enqueue('o');

Console.WriteLine("Current queue: ");

foreach (char c in q)

Console.Write(c + " ");

Console.WriteLine();

q.Enqueue(' ');

q.Enqueue('b');

q.Enqueue(' ');

q.Enqueue('y');

q.Enqueue('e');

q.Enqueue('e');

q.Enqueue('e');





Console.WriteLine("Removing some values ");

char ch = (char)q.Dequeue();

Console.WriteLine("The removed value: {0}", ch);

ch = (char)q.Dequeue();













Console.ReadKey();

}

}

}

Ques. Write a program to implement a generic stack.

using System;


namespace CollectionsApplication

{

class genericstack

{


{

Stack st = new Stack();

st.Push('o');

st.Push('l');

st.Push('l');

st.Push('e');

st.Push('h');

Console.WriteLine("Current stack: ");

foreach (char c in st)

{


}


Console.WriteLine("Removing values ");

st.Pop();

st.Pop();

st.Pop();

st.Pop();

Console.WriteLine("Current stack: ");

foreach (char c in st)

{


Console.ReadKey();

}

}

}

}

Ques. Write a program to demonstrate the Lambda expression.

using System;


class Lambda

{

static void Main()

{

List<int> elements = new List<int>() { 10, 20, 31, 40 };

// ... Find index of first odd element.

int oddIndex = elements.FindIndex(x => x % 2 != 0);

Console.Write("The index of first odd position is: ");

Console.WriteLine(oddIndex);

}

}

Ques. Write a program using func<> concept.

using System;

public class GenericFunc

{

public static void Main()

{

// Instantiate delegate to reference UppercaseString method

Func<string, string> convertMethod = UppercaseString;

string name = "Tiger Shroff";

// Use delegate instance to call UppercaseString method

Console.WriteLine(convertMethod(name));

}

private static string UppercaseString(string inputString)

{

return inputString.ToUpper();

}

}

Ques. Write a program to demonstrate the Action<t> Delegate.

using System;

public class Actionfunc

{

public static void Main()

{

Action<string> string1 = x => Console.WriteLine(x);

string1("CDAC");

}

}

Ques. Write a program to demonstrate the concept of predicate<>.

using System;

class Predicatefunc

{

static void Main()

{

Predicate<int> isOne =

x => x == 1;

Predicate<int> isGreaterEqualFive =

(int x) => x >= 5;

Console.WriteLine(isOne.Invoke(1));

Console.WriteLine(isOne.Invoke(2));

Console.WriteLine(isGreaterEqualFive.Invoke(3));

Console.WriteLine(isGreaterEqualFive.Invoke(10));

}

}

LAB EXERCISE - 7

Ques. Convert an XML document to XSLT.

XML DOCUMENT

<?xml version="1.0" encoding="ISO-8859-1"?>

<?xml-stylesheet type="text/xsl" href="cdcatalog.xsl"?>

<catalog>

<cd country="USA">

<title>Empire Burlesque</title>

<artist>Bob Dylan</artist>

<price>10.95</price>

</cd>

<cd country="UK">

<title>Hide your heart</title>

<artist>Bonnie Tyler</artist>

<price>10.0</price>

</cd>

<cd country="USA">

<title>Greatest Hits</title>

<artist>Dolly Parton</artist>

<price>9.90</price>

</cd>

<cd country="USA">

<title>Empire Burlesque</title>

<artist>Ankit</artist>

<price>10.95</price>

</cd>

<cd country="India">

<title>Greatest Hits</title>

<artist>ABC</artist>

<price>8</price>

</cd>

</catalog>

XSLT

<?xml version="1.0" encoding="ISO-8859-1"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:template match="/">

<html>

<body>

<h2>My CD Collection</h2>

<table border="1">

<xsl:for-each select="catalog/cd">

<tr>

<td>TITLE: <xsl:value-of select="Name"/>

<br/>Artist:<xsl:value-of select="artist"/>

<br/>Price<xsl:value-of select="price"/>

</td>

</tr>

</xsl:for-each>

</table>

</body>

</html>

</xsl:template>

</xsl:stylesheet>

LAB EXERCISE - 8

Ques. Create a Windows Application Form.

using System;


using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace db1

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void label2_Click(object sender, EventArgs e)

{

}

private void button1_Click(object sender, EventArgs e)

{

label4.Visible = true;

if (textBox1.Text == "osama" && textBox2.Text == "abcde")

{

label4.Text = "Hello Osama ";

label4.ForeColor = Color.Green;

}

else

{

label4.Text = "Invalid Password";

label4.ForeColor = Color.Red;

}

}

}}

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