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Vb net datagrid row validating

Generally a website contains a single Web.config file stored inside the application root directory.

However there can be many configuration files that manage settings at various levels within an application. NET Configuration system is used to describe the properties and behaviors of various aspects of ASP. Configuration files help you to manage the settings related to your website.

The settings are stored in XML files that are separate from your application code.

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. NET: Answer: View State is the method to preserve the Value of the Page and Controls between round trips. 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. 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 Answer: Caching is one of the most interesting concept and operation in ASP. If you can handle it, you can run any web application by applying the caching concept depending on the requirements.

There are the following two types of validation in ASP.

So, validation is a good idea to do whenever we are taking input from the user.

We use AJAX for developing faster, better and more interactive web applications.

AJAX uses a HTTP request between web server & browser. NET comes with built-in Web Form controls, which are responsible for generating the user interface.

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Answer: A Web Service is a software program that uses XML to exchange information with other software via common internet protocols. They mirror typical HTML widgets such as text boxes or buttons.