I have the same problem but I can't find a single clue.

It's like the @Umbraco.RenderMacro doesn't work! Even the syntax @Umbraco.RenderMacro("MacroName") doesn't work.

Do you have found something?

Thanks

I also have the same problem in Umbraco 6. Please help..

I ended up replacing all my Macros with Partial Views instead.

Try 

Model.MacroParameters["ArticleId"]

instead of

@Parameter.ArticleId ..

This is tested for version 6, I don't know if it still works for v4.

This might also help: http://umbraco.com/follow-us/blog-archive/2012/10/30/getting-started-with-mvc-in-umbraco-410.aspx

Jeroen

Here are the first few lines of a macro I have that has a parameter being passed in. If you don't already have these inherits or usings, try adding them and see if you have any luck.

@inherits umbraco.MacroEngines.DynamicNodeContext

@using umbraco.MacroEngines;

@using umbraco;

@{

    var numItems = int.Parse(Parameter.numItems);

}

You almost there. One major thing you missed was to add ArticleId in the list of parameters for the macro in the developer section

In the template

@Umbraco.RenderMacro("YourMacro" ,new {ArticleId = @Umbraco.Field("yourField")})

In the XSLT

<xsl:param name="ArticleId" select="/macro/ArticleId"/>

Then you can do what you want with it

<xsl:value-of select="$ArticleId" />

Again don't forget to add ArticleId as a parameter to your macro from the developer section in umbraco

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