renderpartial | 易学教程

Html.Partial vs Html.RenderPartial & Html.Action vs Html.RenderAction. can any one please describe the difference

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问题 In ASP.NET MVC, what is the difference between: Html.Partial and Html.RenderPartial Html.Action and Html.RenderAction 回答1: Html.Action invokes the controller's action, which means it instantiates the controller entity, calls an action method, which builds a model an returns a view result. Html.Partial uses already created model (or can be called without model at all) to render a specified view. When to use one over the other? If you already have a model and just want to have a reusable view,

Asp.net MVC - Render a partial View From an Area

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问题 I've created an area that will handle our some generic things across all our development products, just as log ins, HTML helpers, etc. Inside the area, I have a partial view that I'm attempting to reference outside of the area. I've registered the area with public class Routes : AreaRegistration { public override void RegisterArea(AreaRegistrationContext context) { context.MapRoute( "Common_default", "Common/{controller}/{action}/{id}", new { controller = "Account", action = "Index", id =

Render @object and locals vs render :partial

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问题 I want to pass a local variable that contains the origin to come on a specific page, this variable contains just a symbol with the value. When I use this code it works perfect, the origin variable is accessible in the partial : render :partial => "products", :collection => @products, :locals => {:origin => :gallery} But when I use this code, the origin is not set and not accessible in the partial : render @products, :locals => {:origin => :gallery} What is the difference here? Is the second

How to reload a div using render(:update) and replace_html?

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问题 How to reload only the div id on a page? I just need to reload a certain div. in my controller I have def mycontrolleraction ... render(:update) do |page| reload_only_the_div('adiv'), :controller => 'my_controller' end end Is this possible? 回答1: You can replace a div's content with a partial like this. render :update do |page| page.replace_html 'person-45', :partial => 'person', :object => @person end Where the div id is person-45 the partial's name is person . Also you can pass an object to

ASP.NET MVC Beta 1 - where is Html.RenderPartial?

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I'm just in the process of upgrading my Preview 5 application to Beta 1, and I'm nearly there save for this one error when trying to render a control: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'RenderPartial' and no extension method 'RenderPartial' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) My markup (in the .aspx View Content Page) is: <% Html.RenderPartial("Controls/UserForm", ViewData); %> I've tried using Microsoft.Web.Mvc but to no avail. Does anyone know where Html

render partial on click

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问题 I would like to call partials on some standard operations. I am using this method for calling the partial: %li= link_to 'Delete Event', 'javascript:void(0);', :class => 'alert tiny button', :data => {'reveal-id' => :RevealDelete} = render 'layouts/reveal_delete', :item => event_display(@event.event), :resource => @event Then in my partial, #RevealDelete.reveal-modal %a.close-reveal-modal × %h3= "Delete #{item}" %p Are you sure you want to delete this? =link_to "Delete #{item}", resource,

passing parameters to my partial view?

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I am calling my partial view like this: <% Html.RenderPartial("~/controls/users.ascx"); %> Can I pass parameters to partial view? How will I access them in the actual users.ascx page? You could pass a model object to the partial (for example a list of strings): <% Html.RenderPartial("~/controls/users.ascx", new string[] { "foo", "bar" }); %> Then you strongly type the partial and the Model property will be of the appropriate type: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<System.Collections.Generic.IEnumerable<string>>" %> <% foreach (var item in Model) { %> <div><%=

Using Html.RenderPartial() in ascx files

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问题 I'm trying to use Html.RenderPartial in acsx file and I'm getting an error: Compiler Error Message: CS1973: 'System.Web.Mvc.HtmlHelper' has no applicable method named 'RenderPartial' but appears to have an extension method by that name. Extension methods cannot be dynamically dispatched. Consider casting the dynamic arguments or calling the extension method without the extension method syntax <a href="/projects/<%=project.Id %>"> <% Html.Label("fdf"); %> <% Html.RenderPartial("ProjectName",

Html.RenderPartial giving me strange overload error?

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I made a test partial page named _Test.cshtml and put it in the same directory as my view that will be calling it, here it is: <div>hi</div> And in the calling cshtml view, I simply put: @Html.RenderPartial("_Test") Which gives me the error: CS1502: The best overloaded method match for 'System.Web.WebPages.WebPageExecutingBase.Write(System.Web.WebPages.HelperResult)' has some invalid arguments I have also tried the full path with the same result. I am very confused as to why this is acting this way, I assume I am missing something simple? You are getting this error because Html.RenderXXX

Shorthand for creating a ViewDataDictionary with both a model and ViewData items?

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Is there any way to create a ViewDataDictionary with a model and additional properties with a single line of code. I am trying to make a RenderPartial call to a strongly-typed view while assembling both the model and some extra display configuration properties without explicitly assembling the ViewDataDictionary across multiple lines. It seems like it would be possible given the RenderPartial overload taking both a model object and a ViewDataDictionary but it looks like it simply ignores the ViewDataDictionary whenever they are both populated. // FAIL: This will result in ViewData being a