Sree blog: June 2009

Tuesday, June 16, 2009

Difference between session.abandon() and session.clear() ?

session.abandon() -Kill the user session

session.clear() - Clears the user session data

What is sealed class?

A class defined with the keyword sealed,it is used to prevent derivation(inherits)

What is BLOB?

A BLOB(Binary Large OBject) is a large item such as an image or an .exe represented in the binary form

How many cookies can be stored in one website?

We can store only 20 cookies in per website

what is mean by cookie?what is size of the cookies?

Cookies is a small data structure it contains some small information sent by web server and saved by the web browser on the client machine.
It has only limited size.
i.e., 4096 bytes.

Monday, June 15, 2009

Page Switch in Silverlight

Rich Internet Applications

silverlight Layout

silverlight Introduction

Objects and Timeline window in MS Expression Blend

.Net Framework Architecture

What is mean by Silverlight?

MS Blend Workspace

changing themes in MS blend workspace

Silverlight Application Architecture

What media formats do silverlight support?

WMV7,8, 9/SMPTE VC-1, WMA, MP3

What is Index?

An index is a physical structure containing pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently.
It is possible to create an index on one or more columns of a table, and each index is given a name.

What is View?

A simple view can be thought of as a subset of a table.
It can be used for retrieving data, as well as updating or deleting rows.
Rows updated or deleted in the view are updated or deleted in the table the view was created with.

What is Normalization?

Database normalization is a data design and organization process applied to data structures based on rules that help building relational databases.
The process of organizing data to minimize redundancy is called normalization.

What does XAP mean?

XAP (pronounced ZAP) is the file extension for a Silverlight-based application package (.xap).
This file contains the compressed assemblies and resources of a Silverlight 2 application

what is mean by marshaling?

It performs the necessary conversions in the data formats between managed code and unmanaged code.

what is constraints in sql?

Constraints are used to limit the type of data that can go into a table

They are

1.NOTNULL

2.UNIQUE

3.PRIMARY KEY

4.FOREIGN KEY

5.CHECK

6.DEFAULT

what is mean by windows card space?

It is a .net framework component,it provides hardened against tampering and soofing to protect end user's digital identities and maintain end user control.

Sunday, June 14, 2009

What is mean by RIA?

It is a web application designed to deliver the same features and functions normally associated with the desktop application.

It runs normally,does not require software from client side.

What is ArrayList ?

Array is whose size can increase and decrease dynamically.
Array list can hold item of different types.
You can access any item in array using the INDEX value ofthe array position.

Friday, June 12, 2009

Types of garbage collector?

There are two types of Garbage Collector

managed garbage collector

Umanaged garbage collector

Is XML case-sensitive?

Yes, so and are different elements.

Types of Directive?

@ Page

@ Control

@ Import

@ Implements

@ Register

@ Assembly

Namespaces in .NET used for XML?

System.Xml
System.Xml.Schema
System.Xml.XPath
System.Xml.Xsl

what is mean by Machine.config file ?

Machine.config file is used to configure the application according to a particular machine.

machine.config for the web server.
It is XML based file.

what is mean by web.config file ?

Web.config file is a configuration file for the Asp .net web application.
An Asp .net application has one web.config file which keeps the configurations required for the corresponding application.
Web.config file is written in XML with specific tags having specific meanings.