Rupak Nepali: Solution of above questions

Answer 1

using System;

public class evenoddarr

{

public static void Main(string[] args)

{

int[] arr=new int[5];

int odd=0,even=0;

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

{

Console.Write("Value {0} :",i);

arr[i]=Convert.ToInt32(Console.ReadLine());

if(arr[i]%2==0)

even++;

else

odd++;

}

Console.WriteLine("The even nos are "+even);

Console.WriteLine("The odd nos are "+odd);

string x=Console.ReadLine(); //for holding the screen

}

Answer 2

using System;

public class vowelcount

{

public static void Main(string[] args)

{

//char[] arr=new char[10];

string input;

int vowels=0;

input=Console.ReadLine();

char[] arr=input.ToCharArray();

for(int i=0;i<input.Length;i++)

{

if(Char.ToLower(arr[i]).Equals('a')||

Char.ToLower(arr[i]).Equals('e')||

Char.ToLower(arr[i]).Equals('i')||

Char.ToLower(arr[i]).Equals('o')||

Char.ToLower(arr[i]).Equals('u'))

vowels++;

}

Console.WriteLine("The vowels nos are "+vowels);

string x=Console.ReadLine(); //for holding the screen

}

Answer 3:

using System;

public class factorial

{

public static void Main(string[] args)

{

//char[] arr=new char[10];

int input;

long fact=1;

input=Convert.ToInt32(Console.ReadLine());

for(int i=input;i>0;i--)

{

fact=fact * i;

}

Console.WriteLine("The factorial is "+fact);

string x=Console.ReadLine(); //for holding the screen

}

Answer 2://imp

using System;

using System.Windows.Forms;

using System.Drawing;

public class form1:Form

{

public CheckBox c1=new CheckBox();

public Button b1=new Button();

public form2 f2;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

//checkbox features

c1=new CheckBox();

c1.Text="dot net";

c1.Size=new System.Drawing.Size(100,50);

c1.Location=new System.Drawing.Point(100,200);

c1.CheckStateChanged+=new EventHandler(c1_CheckStateChanged);

Controls.Add(c1);

//button features

b1=new Button();

b1.Text="Click me";

b1.Size=new System.Drawing.Size(100,50);

b1.Location=new System.Drawing.Point(10,200);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

f2=new form2();

}

public static void Main()

{

Application.Run(new form1());

}

private void b1_Click(object sender, EventArgs e)

{

f2.Show();

f2.BringToFront();

}

private void c1_CheckStateChanged(object sender, EventArgs e)

{

if(c1.Checked)

{

f2.c1.Checked=true;

f2.c2.Checked=true;

}

else

{

f2.c1.Checked=false;

f2.c2.Checked=false;

}

public class form2:Form

{

public CheckBox c1;

public CheckBox c2;

public Button b1;

public form2()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

//checkbox1 features

c1=new CheckBox();

c1.Text="c#";

c1.Size=new System.Drawing.Size(100,50);

c1.Location=new System.Drawing.Point(100,100);

Controls.Add(c1);

//checkbox2 features

c2=new CheckBox();

c2.Text="VS.net";

c2.Size=new System.Drawing.Size(100,50);

c2.Location=new System.Drawing.Point(100,200);

Controls.Add(c2);

//button features

b1=new Button();

b1.Text="Click me";

b1.Size=new System.Drawing.Size(100,50);

b1.Location=new System.Drawing.Point(100,300);

Controls.Add(b1);

}

Answer 2(a)//imp

public class form1:Form

{

RadioButton r1;

RadioButton r2;

PictureBox p1;

Pen pen1;

Graphics g;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

pen1=new Pen(Color.Red,4);

//checkbox features

r1=new RadioButton();

r1.Text="Line";

r1.Size=new System.Drawing.Size(100,20);

r1.Location=new System.Drawing.Point(100,10);

r1.CheckedChanged+=new EventHandler(r1_CheckedChanged);

Controls.Add(r1);

//checkbox features

r2=new RadioButton();

r2.Text="Rectangle";

r2.Size=new System.Drawing.Size(100,20);

r2.Location=new System.Drawing.Point(100,50);

r2.CheckedChanged+=new EventHandler(r2_CheckedChanged);

Controls.Add(r2);

//checkbox features

p1=new PictureBox();

p1.Location=new System.Drawing.Point(100,100);

p1.Size=new System.Drawing.Size(400,400);

p1.BackColor=Color.White;

Controls.Add(p1);

// TODO: Add constructor logic here

}

public static void Main()

{

Application.Run(new form1());

}

private void r1_CheckedChanged(object sender, EventArgs e)

{

g=p1.CreateGraphics();

g.Clear(p1.BackColor);

g.DrawLine(pen1,10,10,30,30);

}

private void r2_CheckedChanged(object sender, EventArgs e)

{

g=p1.CreateGraphics();

g.Clear(p1.BackColor);

g.DrawRectangle(pen1,20,20,30,100);

}

Answer 2(b)://padnu pardaina(x)

public class form1:Form

{

MainMenu mBar;

MenuItem mFile, mf1,mf2,mf3;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

//menu features

mBar=new MainMenu();

mFile=new MenuItem("File");

mf1=new MenuItem("Add Three Text Box");

mf2=new MenuItem("Add Button");

mf3=new MenuItem("Exit");

mFile.MenuItems.Add(mf1);

mFile.MenuItems.Add(mf2);

mFile.MenuItems.Add(mf3);

mf3.Click+=new EventHandler(mf3_Click);

mBar.MenuItems.Add(mFile);

this.Menu=mBar;

}

public static void Main()

{

Application.Run(new form1());

}

private void mf3_Click(object sender, EventArgs e)

{

Application.Exit();

}

Answer 3:

public class form1:Form

{

protected override void OnPaint(PaintEventArgs e)

{

Graphics g=this.CreateGraphics();

Font f1=new Font("Arial",16,FontStyle.Bold^FontStyle.Italic);

SolidBrush b1=new SolidBrush(Color.Black);

g.DrawString(".Net Programming",f1,b1,20,20);

}

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

}

public static void Main()

{

Application.Run(new form1());

}

Answer 4:

public class form1:Form

{

ComboBox cb;

Label l1;

public form1()

{

//form features//pardaina

//this.Size=new System.Drawing.Size(400,400);

//this.Location=new System.Drawing.Point(100,100);

//checkbox features

l1=new Label();

l1.Text="items";

l1.Size=new System.Drawing.Size(200,20);

l1.Location=new System.Drawing.Point(10,10);

Controls.Add(l1);

//checkbox features

cb=new ComboBox();

cb.Size=new System.Drawing.Size(200,20);

cb.Location=new System.Drawing.Point(10,50);

cb.SelectedIndexChanged+=new EventHandler(cb_SelectedIndexChanged);

cb.Items.Add("Apple");

cb.Items.Add("Orange");

cb.Items.Add("Banana");

Controls.Add(cb);

}

public static void Main()

{

Application.Run(new form1());

}

private void cb_SelectedIndexChanged(object sender, EventArgs e)

{

l1.Text=cb.SelectedItem.ToString();

}

Answer 5/6:

public class form1:Form

{

OpenFileDialog ofd;

ColorDialog cd;

Button b1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

b1=new Button();

b1.Text="click";

b1.Location=new System.Drawing.Point(10,10);

b1.Size=new System.Drawing.Size(100,30);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

}

public static void Main()

{

Application.Run(new form1());

}

private void b1_Click(object sender, EventArgs e)

{

//for setting background image

OpenFileDialog ofd=new OpenFileDialog();

ofd.Filter="Bmp File (*.bmp) | *.bmp|JPeg files(*.jpg)|*.jpg|Gif files(*.gif)|*.gif";

ofd.RestoreDirectory=true;

if(ofd.ShowDialog()==DialogResult.OK)

{

this.BackgroundImage=Image.FromFile(ofd.FileName);

//MessageBox.Show(ofd.FileName);

}

//for setting background color

cd=new ColorDialog();

if(cd.ShowDialog()==DialogResult.OK)

{

this.BackColor=cd.Color;

//MessageBox.Show(ofd.FileName);

}

Answer 7:

public class form1:Form

{

PictureBox p1;

Button b1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

//checkbox features

b1=new Button();

b1.Text="Draw";

b1.Size=new System.Drawing.Size(100,20);

b1.Location=new System.Drawing.Point(100,50);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

//checkbox features

p1=new PictureBox();

p1.Location=new System.Drawing.Point(100,100);

p1.Size=new System.Drawing.Size(400,400);

p1.BackColor=Color.White;

Controls.Add(p1);

// TODO: Add constructor logic here

}

public static void Main()

{

Application.Run(new form1());

}

private void b1_Click(object sender, EventArgs e)

{

Graphics g=p1.CreateGraphics();

Font f1=new Font("Arial Black",14);

SolidBrush sb=new SolidBrush(Color.Red);

g.DrawString("Welcome",f1,sb,20,20);

g.FillEllipse(sb,50,50,20,20);

}

Answer 8:

public class form1:Form

{

Label l1;

Button b1;

Timer t1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

l1=new Label();

l1.Text="click";

l1.Location=new System.Drawing.Point(10,10);

l1.Size=new System.Drawing.Size(400,30);

Controls.Add(l1);

b1=new Button();

b1.Text="click";

b1.Location=new System.Drawing.Point(10,50);

b1.Size=new System.Drawing.Size(100,30);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

t1=new Timer();

t1.Interval=1000;

t1.Tick+=new EventHandler(t1_Tick);

}

public static void Main()

{

Application.Run(new form1());

}

private void b1_Click(object sender, EventArgs e)

{

t1.Start();

}

private void t1_Tick(object sender, EventArgs e)

{

l1.Text=DateTime.Now.ToLongTimeString();

//l1.Text=DateTime.Now.ToLString();

}

Answer 9:

public class form1:Form

{

Label l1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

this.KeyPress+=new KeyPressEventHandler(form1_KeyPress);

//checkbox features

l1=new Label();

l1.Text="Press keys";

l1.Size=new System.Drawing.Size(100,20);

l1.Location=new System.Drawing.Point(100,50);

Controls.Add(l1);

}

public static void Main()

{

Application.Run(new form1());

}

private void form1_KeyPress(object sender, KeyPressEventArgs e)

{

l1.Text="Key Pressed="+e.KeyChar;

}

Answer 10:

Solve yourself

Answer 11:

Solve yourself

Answer 12:

public class form1:Form

{

TextBox t1;

Button b1,b2;

ListBox lb;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

//checkbox features

t1=new TextBox();

t1.Text="";

t1.Size=new System.Drawing.Size(200,20);

t1.Location=new System.Drawing.Point(10,10);

Controls.Add(t1);

//checkbox features

b1=new Button();

b1.Text="Add";

b1.Size=new System.Drawing.Size(200,20);

b1.Location=new System.Drawing.Point(10,50);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

//checkbox features

b2=new Button();

b2.Text="Remove";

b2.Size=new System.Drawing.Size(200,20);

b2.Location=new System.Drawing.Point(10,80);

b2.Click+=new EventHandler(b2_Click);

Controls.Add(b2);

lb=new ListBox();

lb.Size=new System.Drawing.Size(200,100);

lb.Location=new System.Drawing.Point(10,150);

Controls.Add(lb);

}

public static void Main()

{

Application.Run(new form1());

}

private void b1_Click(object sender, EventArgs e)

{

if(t1.Text!="")

lb.Items.Add(t1.Text);

t1.Text="";

}

private void b2_Click(object sender, EventArgs e)

{

if(lb.SelectedIndex!=-1)

{

lb.Items.RemoveAt(lb.SelectedIndex);

}

else

MessageBox.Show("No item selected to remove");

}

Answer 13:

Solve yourself

Answer 14:

public class form1:Form

{

LinkLabel l1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

l1=new LinkLabel();

l1.Text="Click to open google";

l1.Location=new System.Drawing.Point(10,10);

l1.Size=new System.Drawing.Size(400,30);

l1.Click+=new EventHandler(l1_Click);

Controls.Add(l1);

}

public static void Main()

{

Application.Run(new form1());

}

private void l1_Click(object sender, EventArgs e)

{

System.Diagnostics.Process.Start("http://www.google.com");

}

Answer 15:

public class form1:Form

{

RichTextBox r1;

OpenFileDialog ofd;

SaveFileDialog sfd;

Button b1,b2,b3;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

b1=new Button();

b1.Text="Open";

b1.Location=new System.Drawing.Point(10,10);

b1.Size=new System.Drawing.Size(50,30);

b1.Click+=new EventHandler(b1_Click);

Controls.Add(b1);

b2=new Button();

b2.Text="Save As";

b2.Location=new System.Drawing.Point(10,50);

b2.Size=new System.Drawing.Size(50,30);

b2.Click+=new EventHandler(b2_Click);

Controls.Add(b2);

b3=new Button();

b3.Text="Save";

b3.Location=new System.Drawing.Point(10,90);

b3.Size=new System.Drawing.Size(50,30);

b3.Click+=new EventHandler(b3_Click);

Controls.Add(b3);

r1=new RichTextBox();

r1.Location=new System.Drawing.Point(10,120);

r1.Size=new System.Drawing.Size(400,300);

Controls.Add(r1);

}

public static void Main()

{

Application.Run(new form1());

}

private void l1_Click(object sender, EventArgs e)

{

System.Diagnostics.Process.Start("http://www.google.com");

}

private void b1_Click(object sender, EventArgs e)

{

//open the text files in richtext box

ofd=new OpenFileDialog();

if(ofd.ShowDialog()==DialogResult.OK)

{

StreamReader sr=new StreamReader(ofd.FileName);

r1.Text=sr.ReadToEnd();

sr.Close();

}

private void b2_Click(object sender, EventArgs e)

{

sfd=new SaveFileDialog();

sfd.Filter="All files(*.*)|*.*|text files(*.txt)|*.txt";

if(sfd.ShowDialog()==DialogResult.OK)

{

r1.SaveFile(sfd.FileName,RichTextBoxStreamType.PlainText);

}

private void b3_Click(object sender, EventArgs e)

{

r1.SaveFile(ofd.FileName,RichTextBoxStreamType.PlainText);

}

Answer 16:

Solve yourself

Answer 17:

Solve yourself

Answer 18:

public class form1:Form

{

Label l1;

public form1()

{

//form features

this.Size=new System.Drawing.Size(400,400);

this.Location=new System.Drawing.Point(100,100);

this.MouseDown+=new MouseEventHandler(form1_MouseDown);

//checkbox features

l1=new Label();

l1.Text="Press Mouse";

l1.Size=new System.Drawing.Size(200,20);

l1.Location=new System.Drawing.Point(100,50);

Controls.Add(l1);

}

public static void Main()

{

Application.Run(new form1());

}

private void form1_MouseDown(object sender, MouseEventArgs e)

{

l1.Text="Mouse Position: "+e.X+" , "+e.Y;

}

Answer 19:

Solve yourself

1. Use of Range Validator

if(Page.IsValid)

lbl1.Text="Page is valid."
else
lbl1.Text="Page is not valid!!"
}

</script>

<html>
<body>

<form runat="server">
Enter a number from 1 to 100:
<asp:TextBox id="tbox1" runat="server" />
<br /><br />
<asp:Button Text="Submit" OnClick="submit" runat="server" />
<br /><br />
<asp:Label id="lbl1" runat="server" />
<br />
<asp:RangeValidator
ControlToValidate="tbox1"
MinimumValue="1"
MaximumValue="100"
Type="Integer"
EnableClientScript="false"
Text="The value must be from 1 to 100!"
runat="server" />
</form>

</body>
</html>

2. Use of Regular Expression Validator

public void submit(Object sender, EventArgs e)
{

if(Page.IsValid)

lbl1.Text="Page is valid."
else
lbl1.Text="Page is not valid!!"
}

<html>
<body>

<form runat="server">
Enter a US zip code:
<asp:TextBox id="txtbox1" runat="server" />
<br /><br />
<asp:Button text="Submit" OnClick="submit" runat="server" />
<br /><br />
<asp:Label id="lbl" runat="server" />
<br />
<asp:RegularExpressionValidator
ControlToValidate="txtbox1"
ValidationExpression="\d{5}"
EnableClientScript="false"
ErrorMessage="The zip code must be 5 numeric digits!"
runat="server" />
</form>

</body>
</html>

3. Use of Required Field Validator

4. Use of Compare Validator

<asp:TextBox id="TextBox1" runat="server"></asp:TextBox>

<asp:Label id="Label1" runat="server" TextMode=”Password”>Password</asp:Label>

<asp:Label id="Label2" runat="server" TextMode=”Password”>Confirm Password</asp:Label>

<asp:TextBox id="TextBox2" runat="server"></asp:TextBox>

<asp:CompareValidator id="CompareValidator1" runat="server" ErrorMessage="Password Mismatch" ControlToValidate="TextBox2" ControlToCompare="TextBox1"></asp:CompareValidator>

</form>

AddRotator Example

<%@ Page language="C#" Codebehind="adrotator.aspx.cs"%>

void AdCreated_Event(Object sender, AdCreatedEventArgs e)

{

e.NavigateUrl="http://www.w3schools.com" ;
}

</script>

<html>

<head>

</head>

<body>

<asp:AdRotator id="AdRotator1" runat="server" AdvertisementFile="AdRotatorInfo.xml"> </asp:AdRotator>

</form>

</body>

</html>

<?xml version="1.0" encoding="utf-8" ?>

<AlternativeText>Picture1</AlternativeText></Ad>

<AlternativeText>Picture2</AlternativeText></Ad>

</Advertisements>

Rupak Nepali

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Webocreation

Monday, October 11, 2010

Solution of above questions

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