您可以简单地列出之间的&LT的差异;%=%>
,<%#%>
和<%$%>
通过给一个简单的例子
也许有,只需要那些EX pressions之一使用?
解决方案< %%>
<%this.CallMethod()%>
- 的基本code座。
&其中;%=%GT;
<%=文本%>
- 的嵌入式code语法。同写<%的Response.Write(文本)%>
<%:%>
<%:文字%>
- 同上,除了它是一个速记<%= Server.HtmlEn code(文本)%>
。这是在ASP.NET 4 引入,是默认使用的语法。
<%#%>
<%#的eval(的ColumnName)%>
- 用于的绑定。
<%$%>
<%$的AppSettings:settingName%>
- 的的 有preFIX如的AppSettings
,的ConnectionStrings EX pression语法
或资源
然后:
后跟实际EX pression。它可以作为一个速记访问资源内联。你甚至可以创建你自己的语法这里使用(感谢@Thomas Levesque的)。此外查看MSDN 了解更多信息。
<%@%>
<%@页面语言=C#%>
- 的的指令语法的页/控制设置非常有用。
<% - - %>
<% - 这是一个注释 - %>
- 服务器端注释语法。这不同于HTML <! - 评论 - >
语法,它的不会的在输出渲染
Can you briefly list the differences between <%= %>
, <%# %>
and <%$ %>
by giving a simple example?
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Maybe one that requires only one of those expressions to be used?
解决方案<% %>
<% this.CallMethod() %>
- Basic code block that executes the statements inside.
<%= %>
<%= "text" %>
- Embedded code syntax. Same as writing <% Response.Write("text") %>
.
<%: %>
<%: "text" %>
- Same as above except it's a shorthand for <%= Server.HtmlEncode("text") %>
. This was introduced in ASP.NET 4 and is the default syntax used.
<%# %>
<%# Eval("ColumnName") %>
- Used for databinding.
<%$ %>
<%$ AppSettings: settingName %>
- The expression syntax has a prefix such as AppSettings
, ConnectionStrings
, or Resources
and then a :
followed by the actual expression. It can be used as a shorthand to access resources inline. You can even create your own syntax used here (Thanks @Thomas Levesque). Also see MSDN for more info.
<%@ %>
<%@ Page language="C#" %>
- The directive syntax useful for page/control settings.
<%-- --%>
<%-- This is a comment --%>
- Server-side comment syntax. This differs from the HTML <!-- a comment -->
syntax in that it won't be rendered in the output.
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