Umbraco - Render .Net User Control (ascx) macro with Razor

问题

I have a razor script in Umbraco that is quite complex and I want at some point of it to render a macro in it.

The macro which is called SuggestionBox is actually a user control (.ascx) and traditionally this is referenced on the template using

<umbraco:macro Alias="SuggestionBox" language="cshtml" runat="server"></umbraco:macro>

But now I need to call it from the razor script instead so I tried;

@Html.Raw(umbraco.library.RenderMacroContent("SuggestionBox", Model.Id))

as well as:

@RenderPage("SuggestionBox")

No luck so far as I'm sure I'm using these wrongly.

I read somewhere it might be infeasible if the page is wrapped in a masterpage.

It works if I add it to the Template like I traditionally would:

 <umbraco:macro Alias="EventsRenderer" language="cshtml" runat="server"></umbraco:macro>
 <div class="talkingPointPanel">
    <h3><umbraco:Item field="talkingPoinstSuggestionText" runat="server"></umbraco:Item></h3>
    <umbraco:macro Alias="SuggestionBox" language="cshtml" runat="server"></umbraco:macro>
 </div>

Where EventsRenderer renders the page that should ideally contain the SuggestionBox.

using

@Html.Raw(umbraco.library.RenderMacroContent("<?UMBRACO_MACRO macroAlias=\"SuggestionBox\" />", Model.Id))

Gives me this error:

<!-- Error generating macroContent: 'System.Web.HttpException (0x80004005): HtmlForm cannot render without a reference to the Page instance.  Make sure your form has been added to the control tree.

   at System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output)

   at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)

   at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)

   at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)

   at umbraco.presentation.templateControls.Macro.Render(HtmlTextWriter writer)

   at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)

   at umbraco.library.RenderMacroContent(String Text, Int32 PageId)' -->

Any ideas?

回答1:

<umbraco:Macro runat="server" language="cshtml">@{

HtmlTextWriter writer = new HtmlTextWriter(this.Output);
var navigation = new umbraco.presentation.templateControls.Macro();

navigation.Alias = "Navigation";
navigation.MacroAttributes.Add("ulclass", "art-vmenu");
navigation.MacroAttributes.Add("level", 2);

navigation.RenderControl(writer);   }</umbraco:Macro>

Try something like this. It works for me ... I have made a Navigation macro. Be Aware though your variables should be given in toLower, if caps are used, the parameters will not come through.

回答2:

In Umbraco 4.10+ To call a macro inside Razor script, use:

@Umbraco.RenderMacro("macroNameHere", new { propertyName1 = CurrentPage.pageProperty }))

回答3:

Try something like this:

@Html.Raw(umbraco.library.RenderMacroContent("<?UMBRACO_MACRO macroAlias=\"SuggestionBox\" />", Model.Id))

来源：https://stackoverflow.com/questions/10689284/umbraco-render-net-user-control-ascx-macro-with-razor

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razor

macros

render

umbraco