What is the purpose of the @Register directive?

Vaibhav Kothia May 29, 2023 0 Comments

The @Register directive is used to register custom server control components in an ASP.NET page. This directive tells the compiler which control components are used in the page. For example, if we have a custom server control called “MyControl” and we want to use it in an ASP.NET page, we can add the following directive:

@Register TagPrefix=”MyControls” TagName=”MyControl” Src=”MyControl.ascx”

This directive will register the custom server control component with the tag prefix “MyControls” and the tag name “MyControl”, and the source file for the component is “MyControl.ascx”.

What is the role of the Global.asax file?

Vaibhav Kothia May 29, 2023 0 Comments

The Global.asax file, also known as the ASP.NET application file, is used to create application and session-level events and objects in an ASP.NET Web application. It is an optional file that contains code for responding to application-level events, such as Application_Start, Application_End, Session_Start, Session_End, and Application_Error.

Example:

void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
}

void Application_End(object sender, EventArgs e)
{
// Code that runs on application shutdown
}

void Application_Error(object sender, EventArgs e)
{
// Code that runs when an unhandled error occurs
}

void Session_Start(object sender, EventArgs e)
{
// Code that runs when a new session is started
}

void Session_End(object sender, EventArgs e)
{
// Code that runs when a session ends.
// Note: The Session_End event is raised only when the sessionstate mode
// is set to InProc in the Web.config file. If session mode is set to StateServer
// or SQLServer, the event is not raised.
}

What is the difference between ASP and ASP.NET?

Vaibhav Kothia May 29, 2023 0 Comments

ASP (Active Server Pages) is a scripting language used to create dynamic web pages, while ASP.NET is a web application framework developed by Microsoft for building dynamic web sites, web applications, and web services.

Example:

ASP:

ASP.NET:

protected void btnSubmit_Click(object sender, EventArgs e)
{
lblName.Text = “Hello ” + lblName.Text;
}

What is ASP.NET?

Vaibhav Kothia May 29, 2023 0 Comments

ASP.NET is a web application framework developed and marketed by Microsoft. It is used to create dynamic web pages, web services, and web applications. It is an open source server-side web application framework that is designed for web development to produce dynamic web pages. It is built on the Common Language Runtime (CLR), allowing developers to write ASP.NET code using any supported .NET language.

Example:

The following example shows a simple ASP.NET page that displays a message to the user:

Hello World!

This is my first ASP.NET page.

What is the purpose of the Global.asax file?

Vaibhav Kothia May 26, 2023 0 Comments

The Global.asax file is an optional file used to declare application and session level events for an ASP.NET application. It is also known as the ASP.NET application file. The Global.asax file is used to handle application-level events and session-level events raised by ASP.NET or by HttpModules.

Example:

void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
}

void Application_End(object sender, EventArgs e)
{
// Code that runs on application end
}

void Application_Error(object sender, EventArgs e)
{
// Code that runs when an unhandled error occurs
}

void Session_Start(object sender, EventArgs e)
{
// Code that runs when a new session is started
}

void Session_End(object sender, EventArgs e)
{
// Code that runs when a session ends
}

What is the difference between ASP and ASP.NET?

Vaibhav Kothia May 26, 2023 0 Comments

ASP (Active Server Pages) is a server-side scripting language developed by Microsoft. It is used to create dynamic web pages and is embedded into HTML.

ASP.NET (Active Server Pages .NET) is a server-side scripting language developed by Microsoft. It is a more powerful version of ASP and is based on the .NET framework. It allows developers to create dynamic web pages and web applications more efficiently than with ASP.

Example:

ASP:

ASP.NET:

void Page_Load()
{
string message = “Hello World”;
Response.Write(message);
}