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Showing posts with label ASP.NET. Show all posts
Showing posts with label ASP.NET. Show all posts

Sunday, 6 October 2013

Generating Xml file From Mysql database

Generating XML FILE From MySQL database
Introduction :- In this article i have explain how to  generate  XML  File   from mysql database in asp.net .

Description :- In my previous article i have explain Crete and read XML file in asp.net   and  read data from XML file in asp.net . Now i am explain how to generate  XML file in  asp.net.

Wednesday, 14 August 2013

Could not find file exception in asp.net fileupload

Categories : - Create and read XML file in asp.net  , Interview question and answer , Regular expression image validation , Regular expression text box validate for numeric value onlyCould not find file exception in asp.net fileupload

Introduction :-

In this article i am explain how to avoid error file cloud not find when upload any image in folder using asp.net web form .

Error As shown below


Saturday, 23 February 2013

ASP.NET


ASP.NET INTRODUCTION

  Dotnet :- Dot Net is a software technology, which was introduced bu microsoft in the year 2002.
Dot Net is a Framework technology, that means which is integrated with multiple technologies like windows, web, webservices, etc.
The main reason, why dot net called to be framework technology is “Using single dotnet technology a programmer can develop multiple type of applications like below
console applications
Windows applications
Web applications
Web services..
Dot Net supports multiple programming technologies
  • c# .Net
  • VB.Net
  • VC++.Net
  • c++.Net
  • v5#.Net
  • F#
  • J#
  • Others include fortran, cobol, delphi, eiffel,apl, Forth, Java, rpg, python just to name a few
  •  
     
ASP.NET is a development framework for building web pages and web sites with HTML, CSS, JavaScript and server scripting.
ASP.NET supports three different development methods:Web Pages, MVC (Model View Controller), and Web Forms.

Web Pages
Single Pages Model
MVC
Model View Controller
Web Forms
Event Driven Model

Simplest ASP.NET model.

Similar to PHP and classic ASP.

Built-in templates and helpers for database, video, graphics, social media and more.

MVC separates web applications into 3 different components:

Models for data
Views for display
Controllers for input

The traditional ASP.NET event driven development model:

Web pages with added server controls, server events, and server code.

Classic ASP - Active Server Pages

Active Server Pages (ASP), also known as Classic ASP, was introduced in 1998 as Microsoft's first server side scripting engine.
ASP is a technology that enables scripts in web pages to be executed by an Internet server.
ASP pages have the file extension .asp, and are normally written in VBScript.

ASP.NET

ASP.NET is a new ASP generation. It is not compatible with Classic ASP, but ASP.NET may include Classic ASP.
ASP.NET pages are compiled, which makes them faster than Classic ASP.
ASP.NET has better language support, a large set of user controls, XML-based components, and integrated user authentication.
ASP.NET pages have the extension .aspx, and are normally written in VB (Visual Basic) or C# (C sharp).
User controls in ASP.NET can be written in different languages, including C++ and Java.
When a browser requests an ASP.NET file, the ASP.NET engine reads the file, compiles and executes the scripts in the file, and returns the result to the browser as plain HTML

Difference Between .net framework 2.0,3.0 and 3.5

NET framework 2.0:

It brings a lot of evolution in class of the framework and refactor control including the support of

Generics
Anonymous methods
Partial class
Nullable type
The new API gives a fine grain control on the behavior of the runtime with regards to multithreading, memory allocation, assembly loading and more
Full 64-bit support for both the x64 and the IA64 hardware platforms
New personalization features for ASP.NET, such as support for themes, skins and webparts.
.NET Micro Framework



.NET framework 3.0:

Also called WinFX,includes a new set of managed code APIs that are an integral part of Windows Vista and Windows Server 2008 operating systems and provides

Windows Communication Foundation (WCF), formerly called Indigo; a service-oriented messaging system which allows programs to interoperate locally or remotely similar to web services.
Windows Presentation Foundation (WPF), formerly called Avalon; a new user interface subsystem and API based on XML and vector graphics, which uses 3D computer graphics hardware and Direct3D technologies.
Windows Workflow Foundation (WF) allows for building of task automation and integrated transactions using workflows.
Windows CardSpace, formerly called InfoCard; a software component which securely stores a person's digital identities and provides a unified interface for choosing the identity for a particular transaction, such as logging in to a website



.NET framework 3.5:

It implement Linq evolution in language. So we have the folowing evolution in class:

Linq for SQL, XML, Dataset, Object
Addin system
p2p base class
Active directory
ASP.NET Ajax
Anonymous types with static type inference
Paging support for ADO.NET
ADO.NET synchronization API to synchronize local caches and server side datastores
Asynchronous network I/O API
Support for HTTP pipelining and syndication feeds.
New System.CodeDom namespace.

--------------------------------------------------------------------------------------------------------
So lets first start with the difference between 1.0 and 2.0.

Support for 64 bit application.
Generics
SQL cache dependency
Master pages
Membership and roles

Now the next difference .NET 2.0 and 3.0
=========================================

WCF
WPF
WWF
WCS ( card space)

3.0 and 3.5
==========================================
LINQ
Ajax inbuilt
ADO Entity framework
ADO data services
Multi targeting

Finally 3.5 and 4.0
===========================================
MEF
Parallel computing
DLR dynamic
Code contract
language runtime
Lazy initializatio
 

..




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