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We can access and manipulate trace messages programmatically. We can see the most recent tracing of the data.
Tracing can be done with the following 2 types. Page Level: When the trace output is displayed on the page and for the page-level tracing we need to set the property of tracing at the page level.
In Application-Level tracing the information is stored for each request of the application. The default number of requests to store is But if you want to increase the number of requests and discard the older request and display a recent request then you need to set the property in the web.
When you use data binding, you have more flexibility when you use data from a database or other means. Data Bind controls are container controls. Data Binding is binding controls to data from databases. With data binding we can bind a control to a particular column in a table from the database or we can bind the whole table to the data grid.
Data binding allows you to take the results of properties, collection, method calls, and database queries and integrate them with your ASP. NET code. You can combine data binding with Web control rendering to relieve much of the programming burden surrounding Web control creation.
You can also use data binding with ADO. NET to evaluate the expression. Expressions within the data binding tags are evaluated only when the DataBind method in the Page objects or Web control is called. NET 2. Web Part Zone can contain one or more Web Part controls.
This provides the layout for the Controls it contains. A Web Part Control can be any of the controls in the toolbox or even the customized user controls. For example: If you want give new value to old value then it will discard the old value and create new instance in memory to hold the new value.
The DataSet class exists in the System. Data namespace. The Classes contained in the DataSet class are: A session stores user states and data to all over the application. It is very easy to implement and we can store any kind of object. It can store every user data separately. Session is secure and transparent from user because session object is stored on the server. Performance overhead occurs in case of large number of users, because session data is stored in server memory. Overhead involved in serializing and De-Serializing session Data.
Data Cache is used to store frequently used data in the Cache memory. We need to use System. Caching namespace. Every user is able to access this object. When client request to the server, server execute the stored procedure or function or select statements on the Sql Server database then it returns the response to the browser. If we run again same process will happen on the web server with sql server.
We can create data caching use Cache Keyword. Enterprise Library: It is a collection of application blocks and core infrastructure. Enterprise library is the reusable software component designed for assisting the software developers. We use the Enterprise Library when we want to build application blocks intended for the use of developers who create complex enterprise level application.
Security Application Block provide developers to incorporate security functionality in the application. This application can use various blocks such as authenticating and authorizing users against the database. This block provides the developers to create consistency for processing the error that occur throughout the layers of Enterprise Application.
Cryptography application blocks provides developers to add encryption and hashing functionality in the applications. As defined in Wikipedia, an application server is a software engine that delivers applications to client computers or devices. The application server runs your server code. A class is a template for creating an object. The class from which other classes derive fundamental functionality is called a base class.
For e. The class which derives functionality from a base class is called a derived class. State management is a technique that is used to manage a state of an object on different request. It is very important to manage state in any web application. There are two types of state management systems in ASP. This property returns a true value if a Data Reader is closed, otherwise a false value is returned.
NET validation controls define an important role in validating the user input data. Whenever the user gives the input, it must always be validated before sending it across to various layers of an application.
If we get the user input with validation, then chances are that we are sending the wrong data. So, validation is a good idea to do whenever we are taking input from the user. When validation is done on the client browser, then it is known as Client-Side Validation. When validation occurs on the server, then it is known as Server-Side Validation. Server-Side Validation is a secure form of validation.
The main advantage of Server-Side Validation is if the user somehow bypasses the Client-Side Validation, we can still catch the problem on server-side. There must be multiple processes to share the same connection describing the same parameters and security settings.
The connection string must be identical. Cookie can store only string value. Cookies are browser dependent. Cookies are not secure. Cookies can store only small amount of data.
IL stands for Intermediate Language. NET source codes are first compiled to IL. View State is the method to preserve the Value of the Page and Controls between round trips.
It is a Page-Level State Management technique. View State is turned on by default and normally serializes the data in every control on the page regardless of whether it is actually used during a post-back.
A web application is stateless. That means that a new instance of a page is created every time when we make a request to the server to get the page and after the round trip our page has been lost immediately.
These are the main features of view state: Retains the value of the Control after post-back without using a session.
Stores the value of Pages and Control Properties defined in the page. Advantages of View State. Easy to Implement. No server resources are required: The View State is contained in a structure within the page load. Enhanced security features: It can be encoded and compressed or Unicode implementation. What are the different Session state management options available in ASP. In traditional Web programming, all information that is associated with the page, along with the controls on the page, would be lost with each roundtrip.
The Microsoft ASP. NET framework includes several options to help you preserve data on both a per-page basis and an application-wide basis. These options can be broadly divided into the following two categories:. Server-side state management enables you to manage application-related and session-related information on the server. When a class type is derived from another class type such that it inherits all the members of the base type it is Implementation Inheritance.
When a type class or a struct inherits only the signatures of the functions from another type it is Interface Inheritance. In general Classes can be derived from another class, hence support Implementation inheritance.
At the same time Classes can also be derived from one or more interfaces. Hence they support Interface inheritance. In VB. NET you use the NotInheritable modifier to prevent programmers from using the class as a base class. In C , use the sealed keyword. Once the connection is closed, it returns back to the pool.
This allows the connections to be reused. Skip to content 1. What is the managed and unmanaged code in. What are the memory-mapped files? The GridView control supports the following features: Creating a GridView 4. What is the difference between ASP. The following are some important points of the ASP. What are the defining traits of an object-oriented language? It uses different scripting languages to create dynamic Web pages, which can be run on any type of browser.
Rahman,says ASP. NET is a server side programming technology that makes use of object oriented programming approach. Saran,says Asp in server side technology used to develop dynamic web pages. Upee,says May 13, ASP. NET is provided as a framework which is collection of libraries and runtime. Jyoti ramjan das,says May 08, Asp. Nilsan,says Asp in server side technology to develop dynamic web pages using scripting languages.
It is interpreted. Parameshvar,says Apr 30, ASP. Net ASP. Net VB. Net C. Net Interview Question and Answers. What is ASP? It uses different scripting languages to create dynamic Web pages, which can be run on any type of browser.
Rahman, says Jan 31, ASP. NET is a server side programming technology that makes use of object oriented programming approach. Saran, says Dec 16, Asp in server side technology used to develop dynamic web pages. Upee, says May 13, ASP. NET is provided as a framework which is collection of libraries and runtime. Jyoti ramjan das, says May 08, Asp. Nilsan, says May 04, Asp in server side technology to develop dynamic web pages using scripting languages.
It is interpreted. Parameshvar, says Apr 30, ASP. NET is web developing environment that is a part of.
NET Framework and it provide object oriented programming language,and easy to dynamic web pages development. Rahul, says Apr 13, Asp.
NET is a development tool through which i develop a application. Ravichandran perumal, says Feb 25, ASP. Net is a Microsoft Technology , which is used to create effective, dynamic and data driven webpages. Vishal, says Feb 15, Asp is a server side technology where you can create dynamic web pages using.
NET is just a technology that provide a set of specifications to create web applications with server side code programs pages.