.NET- To Improve Your Competence

Hey friends now i will start blogging again on pending Ajax Control so please keep reading…

Thanks

Nikhil Kumar

Learning JAVA for beginners …

Salute,

I am Nikhil

Here you will learn java in simple steps like a beginner

So let’s start java… with live example for creating simple and interesting games…

For running java you have to install small software named JAVA SDK

you know java is platform independent …

What is JDK (Java Development Kit) ?

JDK is a software development program provided by sun Microsystems. Java Development Kit or JDK comes in various versions and can be downloaded free from the sun Microsystems. JVM compiler, debugger and other tools are used with JDK for developing java based application & java applets. So make sure that your JVM compiler & JDK versions are same.

JDK also known as Java 2 Platform That comes in three editions J2ME, J2SE & J2EE. If you are beginner or learning Java then start by downloading J2SE.

Acronyms:
JDK Java Development Kit
JVM Java virtual machine

Download JDK
you can download JDK from www.javasoft.com/j2se

Latest version of JDK

1. JDK 5.0 Update 6
the full internal version number for this update release is 1.5.0_06-b05 (where “b” means “build”). The external version number is 5.0u6. Java Version 1.5.0_06 introduces various security enhancements in Java Plug-in and Java Web Start to better protect users and enterprises. For more information please visit: http://java.sun.com/j2se/1.5.0/ReleaseNotes.html

SO let’s start learning java particles…

The first program we are going to learn is a simple java application “Hello Java”

in which you create a program and run it then it will show a message …

So The first step is Open your notepad and type this program,

//Simple java application…

public class Hellojava

{

public static void main (String [] args)

{

System.out.println(“Hello ! Java”);

}

}

I suggest you to type this program by your own without seeing this…

Now save this notepad file as “Hellojava.java”

The point is, you have to save this file by the class name which you have given in the program and you have to use the .java extension

Setting the path

Now you have to do an important task is to set the path for java

So let’s start .

First Step

Go to run type sysedit

Now type this in the AUTOEXEC.BAT file

SET PATH=C:\WINDOWS\COMMAND;C:\JDK1.3.1\BIN

Or if you install jdk in another drive then give that path…

now save and exit

Running Application

Open command prompt go in the drive (where you save your notepad file)

Then type__

javac Hellojava.java

now run your application__

java Hellojava

a message will seem “Hello ! Java”

What you did !

Line of code is a blank line, which as you might imagine, does nothing.

Following that is the beginning of your program class definition:

public class HelloWorld {

You must define a class in every Java program. Basically, a class is a group of functions

and characteristics in Java code that can be reused. The public keyword,

used as a modifier that describes other classes’ access to this class, is not

required, but it is a good idea to use it anyway. This way you will start off with

good coding habits. It is not necessary at this point to fully understand the public

keyword.

The same goes for the class keyword. It is used to identify Hellojava as a class.

The open brace denotes the beginning of the contents of your class definition

and the corresponding closing brace (the last line of the program) denotes the

end of the class definition. To sum it up, this line of code starts a Java program

called Hellojava, and all the code within the braces makes up its guts.

.

The next line of code starts the main() method definition.

public static void main(String args[]) {

Methods are groups of statements that are executed by your computer when

instructed to do so. You learn about methods in Chapter 5. For now, it is important

that you know that the main() method actually drives Java applications. It is

the first place the Java VM looks when you run your application. The group of

statements within this method, collectively called a block statement, is defined

within its own set of braces. Within the braces of this method, you define a list

of steps you want the computer to do when running your program.

The one statement inside the main() method, which is your next line of code,

instructs your computer to say hello to the world.

System.out.println(”Hello, world!”);

This is actually a call to a method that handles your system’s standard output. It

prints one line to the screen and adds a carriage return. You can refer to the Java

API documentation for classes System and PrintStream for more detailed information

.

Congrats ! now you know the syntax and knowledge about JAVA

Thanks

Nikhil Kumar

Rounded Corner Extender

In this article, I will show you step by step procedure, how to use a Rounded Corner Extender

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

Rounded Corner Extender is used for formatting the web page like this…

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Note: Rounded Corner Extender is a part of AjaxControlToolkit.
To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Rounded Corner Extender will seem like this…

Rounded Corner Extender is used for format you web page… I have used a panel here and you know that the corner of panels are not rounded they always of straight and here the corners are rounded that’s the use of Rounded Corner Extender which is a Ajax Control Toolkit Control…

Step 9. Close Browser

Step 10. Close Visual Studio…

Thanks!

–Nikhil Kumar

Partial Page Update

In this article, I will show you step by step procedure, how to use a Partial Page Update

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

The use of Partial Page Update it that if you want to update the specific part of the web page then you can use it…

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now See the code carefully

I suggest you to not to drag the controls from the toolbox please type the code it’s good..

First control you are going to drag and drop on the page is - Script Manager.

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now type this code under this line…

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>

Step 8. Now run your web site by Ctrl + F5

OUT PUT
Step 9. When you run the Partial Page Update will seem like this…

Here are two buttons One Partial Update and Full Update

When you click the Partial Update then only the pink background time will update

And when you click the Full Update Button both backgrounds color will update….

Step 10. Close Browser

Step 11. Close Visual Studio…

Thanks!

–Nikhil Kumar

Masked Edit Extender

In this article, I will show you step by step procedure, how to use a Masked Edit Extender

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

The use of Masked Edit Extender it that you are not require to type any number of character you have to just select from the up down button…it will change dynamically when you click the button,

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Note: Masked Edit Extender is a part of AjaxControlToolkit.
To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Masked Edit Extender will seem like this…

Now in the Masked text boxes you can’t enter characters or hexadecimal values you can only enter digits and here will be some restrictions… which the masked text box will follow …

Step 9. Close Browser

Step 10. Close Visual Studio…

Thanks!

–Nikhil Kumar

Up Down Extender

In this article, I will show you step by step procedure, how to use a Up Down Extender

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

The use of Up Down Extender it that you are not require to type any number of character you have to just select from the up down button…it will change dynamically when you click the button,

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Note: Up Down Extender is a part of AjaxControlToolkit.
To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag some controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Up Down Extender will seem like this…

Now when you click the up or down arrow the value will change itself there is no need of typing…

Step 9. Close Browser

Step 10. Close Visual Studio…

Thanks!

–Nikhil Kumar

These are very knowledgeable questions of ASP.NET

To use the objects of GDI+, an object of the Graphics class must be created. Which of the following methods of the Graphics class is used to free all the resources being used by the currently loaded graphic?

1, Flush

2, Dispose

3, Clear

4, Kill

Solution 2

The AlternateView class can be used to embed an attachment to an E-mail message. Which of the following enables the AlternateView class to embed images in a message?

1, Attachment

2, BaseUri

3, ContentLink

4, LinkedResources

Solution 4

There are different ways of specifying security permissions in your code. Which of the following uses code attributes to specify the permissions that are required to execute an assembly?

1, Imperative syntax

2, caspol.exe

3, Declarative syntax

4, TlbImp.exe

Solution 3

Host evidence is the evidence from the application domain or the host in which an assembly executes. Which of the following is NOT a type of host evidence?

1, Site

2, Zone

3, Subscriber

4, Hash

Solution 3

Visual Studio 2005 includes Device Emulator 1.0. Which of the following is NOT emulated by this software?

1, Microsoft Windows CE 5.0

2, Microsoft Pocket PC 2003

3, Symbian OS S60

4, Microsoft Smartphone 2003

Solution 3

Which of the following Mobile controls is used to group child controls and can modify several child controls in a single operation?

1, ObjectList

2, Form

3, Panel

4, List

Solution 3

Which of the following is NOT a type of Web site that can be created using Visual Studio 2005?

1, Local IIS Web sites

2, Remote IIS Web sites

3, FTP sites

4, Dynamic Web sites

Solution 4

When you type code in the Source view, a drop down list is displayed that helps you complete the syntax of the code. Which feature of Visual Studio makes this possible?

1, ComboBox

2, IntelSense

3, Intellisense

4, ListView

Solution 3

In your web application, you need to ensure that the format of the pages that you display is supported by the requesting browsers. Which of the following is a property that can be used to detect the type of the browser requesting the pages, so that they can be displayed accordingly?

1, Request.Browser

2, Response.Browser

3, Request.Browser.Browser

4, Request.Browser.Type

Solution 3

Using the CompareValidator control, you can compare the user input to which type of value? m

1, Constant value

2, Variable value

3, Memory address

4, URL

Solution 1

Consider the following statements in context of the validation controls available in ASP.NET:

Statement A: The validation controls can perform simple validation in the user’s Web browser by generating VBScript code, if the browser supports it.

Statement B: The CompareValidator control validates a user’s entry against a constant value, or a property value of another control.

Which of the preceding statements are TRUE?

1, Statement A is TRUE and statement B is FALSE.

2, Statement A is FALSE and statement B is TRUE.

3, Both statements, A and B, are TRUE.

4, Both statements, A and B, are FALSE.

Solution 2

Which mechanism is provided by ASP.NET that preserves the contents and state of the controls on a Web page when a user enters data and submits the form and when the page is re-displayed?

1, StateServer

2, ViewState

3, HttpSessionState

4, HttpApplicationState

Solution2

In the context of ASP.NET, when the server needs to free the memory, it can remove an item from the application’s cache. What is this process known as?

1, Absolute expiration

2, Sliding expiration

3, Flush

4, Scavenging

Solution 4

Which of the following is a delegate that defines the signature to use for an event handlers that responds when an item is deleted from the cache?

1, onRemoveCallback

2, CacheItemRemovedCallback

3, CacheItemRemovedReason

4, RemovedCallback

Solution 2

Which of the following can you configure to retrieve data from the following:

– XML files

– Web services that return XML data

– String variables that contain XML data

1, XmlDataDocument objects

2, XmlDataSource control

3, SqlDataSource control

4, FormView control

Solution 2

–Nikhil Kumar

These are basic knowledge questions about ASP.NET which should know to every one who learn ASP.NET …

Using which of the following can you maintain the state data of your web server control, even when the ViewState property is disabled for the page?

1, ControlState data

2, Session.Start

3, Application.Start

4, StateServer Mode

Solution 1

Which of the following data-bound controls displays one or more records from a data source, one record at a time?

1, GridView Control

2, TreeView Control

3, DetailsView Control

4, DataList Control

Solution 3

Which of the following controls features hierarchical data- binding and may be bound to an XmlDataSource or a SiteMapDataSource?

1, DropDownList Control

2, Menu Control

3, DataList Control

4, GridView Control

Solution 2

5 Which of the following classes provides methods for creating, deleting, and updating user accounts, authenticating users, and managing passwords?

1, Members Class

2, Membership Class

3, Member Class

4, FormsAuthentication Class

Solution 2

Which of the following data-bound controls displays multiple records, typically in a table and does not provide a predetermined layout for the data.

1, Menu Control

2, DataList Control

3, GridView Control

4, DetailsView Control

Solution 2

Which of the following uses a separate resource file for each culture?

1, Globalization

2, Implicit Localization

3, Explicit Localization

4, Localization

Solution 2

The public methods and properties of a master page can be accessed in a content page by assigning a class name to the master page. Which directive can be used to assign a class name to the master page?

1, <%@ Master %>

2, <%@ Page %>

3, <%@ MasterType %>

4, <%@ Control %>

Solution 1

Which of the following is NOT a feature of composite Web server controls?

1, They have a user interface that is composed of several custom Web server controls.

2, They derive from the System.Web.UI.WebControls.CompositeControls class.

3, They create the child controls by overriding the CreateChildControls method.

4, They are compiled into an assembly in the Bin folder before you deploy the application.

Solution 1

Repeater, DataList, and GridView Web server controls are examples of which type of controls?

1, User Controls

2, Custom Web server controls

3, Templated controls

4, Navigation controls

Solution3

Which of the following can be used to configure the way encryption is used to protect forms authentication cookies and view state information in a Web farm?

1, <trace>

2, <machineKey>

3, <customErrors>

4, <script>

Solution 2

Which of the following is a File Status displayed by the Copy Web Site tool?

1, Edited

2, Modified

3, Changed

4, Converted

Solution 3

How does the Copy Web tool make sure that all files on the local and remote sites are up to date?

1, By synchronizing the sites

2, By publishing the sites

3, By copying the new files in place of old files

4, By deploying the sites

Solution 1

Which of the following tags should be inserted into the Web.Config file to handle the mobile devices that do not accept relative URLs?

1, <httpRuntime> tag

2, <DeviceSpecific> tag

3, <Filter> tag

4, <deviceFilters> tag

Solution 1

What is the file extension of a Microsoft Windows Installer file that is used to distribute and install an application?

1, .exe

2, .msc

3, .msi

4, .jar

Solution 3

A mobile web page must contain at least one __________ tag.

1, <mobile:Form> tag

2, <mobile> tag

3, <MobileForm> tag

4, <IsMobileDevice> tag

Solution 1

While configuring profile properties in the Web.config file for an application which of the following tags defines name, type, and allow Anonymous attributes? What would be the extension of the skin file created with name MyTheme?

1,MyTheme.theme

2,MyTheme.aspx.theme

3,MyTheme.skin

4,MyTheme.aspx.skin

Solution 3

Which of the following objects is NOT a part of an ASP.NET theme?

1,StyleSheet

2,Skin Files

3,Supporting images

4,XML file

Solution 4

To apply an existing theme to the entire application, which of the following tags needs to be added in the Web.config file under the <System.Web> section?

1,<pages theme=”XXX”>

2,<profile theme=”XXX”>

3,<properties theme=”XXX”>

4,<configuration theme=”XXX”>

Solution 1

To enable users to personalize a page, you must set the Page.Theme property. During or before which event handler should this be done?

1,Page_PreRender ( )

2,Page_Load ( )

3,Page_PreInit ( )

4,Page_Render ( )

Solution 3

To use GDI+ objects, an object of the ________ class must be created.

1,SystemColors

2,Pen

3,Graphics

4,Image

Solution 3

The _______ class provides the primary access point for code to interact with the security system. 1,SecurityManagement

2,SecurityManager

3,PolicyLevel

4,CodeGroup

Solution 2

Asymmetric encryption is also known as _____________.

1,Private key encryption

2,Public key encryption

3,Public/Private key encryption

4,Protected key encryption

Solution 2

The ________ allows the .NET Framework to communicate with the COM component by providing a middle layer between your .NET Framework code and the COM

1,Interop assembly

2,Shared assembly

3,Multifile assembly

4,Private assembly

Solution 1

The primary class used to manage threads directly is the ______ class.

1,ThreadStart class

2,Thread Class

3,ParameterizedThreadStart class

4,ThreadPool class

Solution 2

–Nikhil Kumar

Mutually Exclusive Check Box Extender

In this article, I will show you step by step procedure, how to use a Mutually Exclusive Check Box Extender

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

The use of Mutually Exclusive Check Box Extender it that you can select only one check box under a heading…

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Note: Mutually Exclusive Check Box Extender is a part of AjaxControlToolkit.
To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag some controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Mutually Exclusive Check Box Extender will seem like this…

Now when you check a check box under the Movies heading then you can’t select the other check box means you can select only one check one under one heading…

Ex.__ if I select Hollywood then I can’t check Bollywood…

Step 9. Close Browser

Step 10. Close Visual Studio…

Thanks!

–Nikhil Kumar

Collapsible Panel Extender

In this article, I will show you step by step procedure, how to use a Collapsible Panel Extender

In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used <! –    –> to comment HTML part of the code.

Note: Collapsible Panel Extender is a part of AjaxControlToolkit.
To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3.

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# , Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.

See here is a tab named Design in the bottom of this page.

Step 5. Click on this tab and you will see a blank web page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag some controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>

Under the form tag,

Don’t be frustrate on seeing this code please read carefully it’s very simple.

Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Collapsible Panel Extender will seem like this…

When you click on the “About AJAX “it will expand and when you click on the “About AJAX” again it will

Collapse again…

Step 9. Close Browser

Step 10. Close Visual Studio…

Thanks!

–Nikhil Kumar