Razor View Engine provides the declarative helper syntax which can be used to create helper components that are stored as .cshtml files, and enable re-usability of view code.
Questions tagged [razor-declarative-helpers]
46 questions
44
votes
6 answers
Why is the HtmlHelper instance null in a Razor declarative @helper method?
Using MVC 3 RTM I'm getting a strange NullReferenceException:
@helper TestHelperMethod() {
var extra = "class=\"foo\"";
}
It turns out that Html (of type HtmlHelper) is null.
I've never seen this before in a…
Drew Noakes
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32
votes
4 answers
Can I return a string using the @helper syntax in Razor?
I have a RazorHelpers.cshtml file in app_code which looks like:
@using Molecular.AdidasCoach.Library.GlobalConstants
@helper Translate(string key)
{
@GlobalConfigs.GetTranslatedValue(key)
}
However, I have a case where I want to use the result…
Evan Davis
- 35,493
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30
votes
6 answers
Using @Html inside shared @helper in App_Code
I am building a very basic MVC3 site while I learn and I am having difficulty with the following declarative Razor html helper.
Inside RMB.cshtml inside App_Code folder:
@helper ReplaceCrLf(string strText)
{
…
Treborbob
- 1,221
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15
votes
1 answer
ASP.NET MVC - calling Razor @helper from another @helper
I've been implementing some @helper functions in Razor based on Scott Gu's post, and things are going pretty well.
What I was wondering though, is if it's possible to call one @helper from another. For example, I have the following helper that…
ataddeini
- 4,931
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10
votes
1 answer
How to fix error The type or namespace name 'Linq' does not exist in the namespace 'System'
ASP.NET MVC4 application contains Helper.chtml file in App_Code folder containing Razor helpers.
After upgrading to Visual Studio Communitity edition compile error
Error CS0234 The type or namespace name 'Linq' does not exist in the namespace…
Andrus
- 26,339
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9
votes
1 answer
Using and Creating helper in Asp.net MVC4 Web Application
I am using the Asp.net mvc4 WebRole, and I found this is a Web Application , Not a Web Site.
after reading this article, I knew how to add customer Helper function in Asp.MVC4. In Web Site Appliction I can add a cshtml file in app_code folder like…
Joe.wang
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7
votes
3 answers
ASP.NET MVC @helper syntax vs Html Helper Extension methods
I need to create custom html helper method. As far as I know there are two ways:
Use @helper razor syntax. http://weblogs.asp.net/scottgu/archive/2011/05/12/asp-net-mvc-3-and-the-helper-syntax-within-razor.aspx
Create HtmlHelper extension…
Piotr Czarnecki
- 1,688
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5
votes
0 answers
Can I have private functions or private declarative helpers within a declarative helper?
Possible Duplicate:
Using @helpers from another View in Razor ASP.Net MVC3
My environment: ASP.NET MVC3 with Razor.
I have some reusable view logic in declarative helpers in the App_Data directory, which are defined as @helper bar() { /* markup…
Peter Marks
- 989
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- 15
4
votes
2 answers
How to pass HTML fragment (as a delegate?) to a declarative Razor Helper?
I've been writing some declarative Razor Helpers (using the @helper syntax) for use with the Umbraco 4.7 which now supports the Razor view engine (though I would imagine this applies equally to WebMatrix or ASP.NET MVC). They all work fine. However,…
Dan Diplo
- 25,076
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4
votes
2 answers
What is the "HTML attributes" parameter?
The following sample:
@Html.LabelFor(m => m.Email, new { @class = "col-md-2 control-label" })
appears to be using the second overload of the LabelFor method where the second parameter, htmlAttributes, is documented as
An object that contains the…
Old Geezer
- 14,854
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4
votes
2 answers
Add colons and stars to helper generated labels
I'm using Razor and Data Annotations in a .NET 4.5 MVC app. This is from a view model:
[Required(ErrorMessage = "Title is required.")]
[Display(Name = "Title: *")]
public string Title { get; set; }
[Display(Name = "Comments:")]
…
user1563526
- 275
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3
votes
1 answer
Can you use a @Helper inside an @Helper?
I am not sure this is possible.
I have a bunch of @Helper's inside a view AND in other views:
@helper ViewHelper1()
{
...
}
@helper ViewHelper2()
{
...
}
etc.
I have repetitive code that is used in the view AND in other views:
@if…
REMESQ
- 1,190
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2
votes
3 answers
HTML helpers in ASP.NET MVC 3 with Javascsript action
I have many HTML helper in Helpers.cshtml file, but some of the helper (html) need some jquery action, so how do i can call jquery inside helpers.cshtml, is that possible?
i know we can keep the js file in header or particular page, but i do not…
manny
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2
votes
1 answer
Using @helpers from another View in Razor ASP.Net MVC3
I want to write a few simple @helpers to use in several views.
I want them to be inside a Razor .cshtml file (not in a c# class) to have the HTML syntax highlighted.
I can easily access @helpers written within the same View, I can separate them into…
Shaddix
- 5,901
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2
votes
1 answer
How do you generate a hyperlink from a Model in MVC Razor
I want to store website addresses in a table in the database as either "http://some_website.com" or just as "some_website.com". Then in the view I have access to the text through "Model.Website". How can I generate a hyperlink? Is there a helper to…
user646306
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