Share the ASP. NET Learning Notes (1)--webpages Razor

in this tutorial, we will use the Razor markup for C # and Visual Basic code.

What is Razor?

Razor is a markup syntax that adds server-based code to a Web page

Razor features traditional ASP. NET markup, but easier to use and easier to learn

Razor is a server-side markup syntax that is similar to ASP and PHP

Razor support for C # and Visual Basic programming languages

Add Razor Code

Keep in mind the pages in the previous chapter instance:

<! DOCTYPE html>
Now add some Razor code to the instance:

Instance

<! DOCTYPE html>
The page contains normal HTML markup, and in addition to this, an @ ID Razor code is added.

The Razor code can perform many actions in real time on the server and display the results. (You can specify formatting options, otherwise only the default items are displayed.) ）

The main Razor C # syntax rules

Razor code block included in @{...}

inline expressions (variables and functions) begin with @

The code statement ends with a semicolon

Variables declared with the VAR keyword

The string is enclosed in quotation marks.

C # code is case-sensitive

C # files have the. cshtml extension.

C # instances

<!--single statement block-->@{var mymessage = "Hello World";} <!--Inline expression or variable--><p>the value of Mymessage is: @myMessage </p> <!--multi-stateme NT Block-->@{var greeting = "Welcome to our site!"; var WeekDay = Datetime.now.dayofweek;var GreetingMessage = greeting + "Today is:" + WeekDay;} <p>the greeting is: @greetingMessage </p>
The main Razor VB grammar rules

The Razor code block is included in the @Code ... End Code in

inline expressions (variables and functions) begin with @

Variables declared with the DIM keyword

The string is enclosed in quotation marks.

VB code is case insensitive

The VB file extension is. vbhtml

Instance

<!--single statement block-to @Code Dim mymessage = "Hello World" End code<!--Inline expression or variable-- > <p>the value of mymessage is: @myMessage </p> <!--multi-statement block-to-@Codedim greeting = "We Lcome to our site! "Dim WeekDay = DateTime.Now.DayOfWeek Dim GreetingMessage = Greeting &" Today is: "& Weekdaye nd Code <p>the greeting is: @greetingMessage </p>
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