razor

MVC 5.1 Razor DisplayFor not working with Enum DisplayName

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Create new folder Views/Shared/DisplayTemplates Add empty Partial View named Enum, to the folder Replace Enum View code with: @model Enum @if (EnumHelper.IsValidForEnumHelper(ViewData.ModelMetadata)) { // Display Enum using same names (from [Display] attributes) as in editors string displayName = null; foreach (SelectListItem item in EnumHelper.GetSelectList(ViewData.ModelMetadata, (Enum)Model)) { if (item.Selected) { displayName = item.Text ?? item.Value; } … Read more

asp.net conditionally disable a tag helper (textarea)

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It is actually very simple, the disable attribute is already working as you want – you can pass in a boolean value: <textarea asp-for=”Doc” disabled=”@Model.MustDisable”></textarea> if false the disabled attribute is not rendered: <textarea></textarea> if true the disabled attribute is set to “disabled”: <textarea disabled=”disabled”></textarea>

Html.Raw() in ASP.NET MVC Razor view

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Html.Raw() returns IHtmlString, not the ordinary string. So, you cannot write them in opposite sides of : operator. Remove that .ToString() calling @{int count = 0;} @foreach (var item in Model.Resources) { @(count <= 3 ? Html.Raw(“<div class=\”resource-row\”>”): Html.Raw(“”)) // some code @(count <= 3 ? Html.Raw(“</div>”) : Html.Raw(“”)) @(count++) } By the way, returning … Read more

Better way to get active page link in MVC 3 Razor

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A better approach is to use a HTML helper: using System.Web.Mvc; using System.Web.Mvc.Html; public static class MenuExtensions { public static MvcHtmlString MenuItem( this HtmlHelper htmlHelper, string text, string action, string controller ) { var li = new TagBuilder(“li”); var routeData = htmlHelper.ViewContext.RouteData; var currentAction = routeData.GetRequiredString(“action”); var currentController = routeData.GetRequiredString(“controller”); if (string.Equals(currentAction, action, StringComparison.OrdinalIgnoreCase) && … Read more

Why doesn’t Visual Studio code formatting work properly for Razor markup?

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Be sure to set the editor to use space characters and not tabs. The editor seems to completely lose its mind when tabs are used. This is a shame because all those space characters end up in the actual HTML output, greatly increasing the data transfer size. What I do is manually supplement the automatic … Read more

Does Razor syntax provide a compelling advantage in UI markup?

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[Disclaimer: I’m one of the Microsoft developers on MVC and Razor, so I might be a bit biased :)] We designed Razor to be a concise templating language that uses only the minimal necessary amount of control characters. I would say that large parts of your views can be expressed with fewer characters than the … Read more