Razor 語法參考

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週一, 2012-05-28 15:38
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Razor 語法參考
Syntax/Sample Razor Web Forms Equivalent (or remarks)
Code Block 
@{ 
  int x = 123; 
  string y = "because.";
}
 
<%
  int x = 123; 
  string y = "because."; 
%>
Expression (Html Encoded) 
<span>@model.Message</span>
 
<span><%: model.Message %></span>
Expression (Unencoded) 
<span>
@Html.Raw(model.Message)
</span>
 
<span><%= model.Message %></span>
Combining Text and markup 
@foreach(var item in items) {
  <span>@item.Prop</span> 
}
 
<% foreach(var item in items) { %>
  <span><%: item.Prop %></span>
<% } %>
Mixing code and Plain text 
@if (foo) {
  <text>Plain Text</text> 
}
 
<% if (foo) { %> 
  Plain Text 
<% } %>
Mixing code and plain text (alternate) 
@if (foo) {
  @:Plain Text is @bar
}
 Same as above
Email Addresses 
Hi philha@example.com
 Razor recognizes basic email format and is smart enough not to treat the @ as a code delimiter
Explicit Expression 
<span>ISBN@(isbnNumber)</span>
 In this case, we need to be explicit about the expression by using parentheses.
Escaping the @ sign 
<span>In Razor, you use the 
@@foo to display the value 
of foo</span>
 @@ renders a single @ in the response.
Server side Comment 
@*
This is a server side 
multiline comment 
*@
 
<%--
This is a server side 
multiline comment
--%>
Calling generic method 
@(MyClass.MyMethod<AType>())
 Use parentheses to be explicit about what the expression is.
Creating a Razor Delegate 
@{
  Func<dynamic, object> b = 
   @<strong>@item</strong>;
}
@b("Bold this")
 Generates a Func<T, HelperResult> that you can call from within Razor. See this blog post for more details.
Mixing expressions and text 
Hello @title. @name.
 
Hello <%: title %>. <%: name %>.
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