SSRS Hiding labels on a chart

I have a series on a chart that is a Moving average calculated Series.  I want to display a label for only the last value.  

An elegant solution I found would be do to do this for Visible
=iif(me.Value=Max(Fields!Approved_date.Value,"LabReports"),TRUE,FALSE)

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But me.Value only has an option for me.Equals and me.Reference equals

If I try to use this for the value:
=iif(Fields!Approved_date.Value = Max(Fields!Approved_date.Value,"LabReports"),"#VALY","")

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If always returns the value. Fields!Approved_date.Value always evaluates to the Max value for some reason.
newbie-netterAsked:
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Nico BontenbalConnect With a Mentor Commented:
I'm afraid the hidelabels property is not evaluated for every label, but only once for the entire chart. So they are all on, or all off.
The only thing I can think of that comes close to what you want is using a data label. For a data label you can use an expression and this is evaluated for every value. See this article for an example:
http://markvsql.com/2012/05/dynamic-ssrs-chart-data-label-visibility/

Wait...............just thought of another possible solution. You could use the axis title. Hide the labels, and use the Axis title to show the last value on the right of the Axis. (Right align the Axis title).
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newbie-netterAuthor Commented:
I also tried adding a series using the RunningValue function

Int(100*RunningValue(Fields!DEVELOP_TEST.Value,Sum,Nothing)/(RunningValue(Fields!APPROVAL_TEST.Value,Sum,Nothing)+RunningValue(Fields!DEVELOP_TEST.Value,Sum,Nothing))

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The series calculated correctly but I'm still unable to get the me.Value to work
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newbie-netterConnect With a Mentor Author Commented:
I saw that example as well but couldn't get it to work for my application.  I ended up just showing all the values but making the font smaller so it didn't cause as much of a problem.  The axis title idea is interesting, but not going to try at this time.
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Nico BontenbalCommented:
So I think you should close this question then marking your own answer as the solution. Or delete the question.
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newbie-netterAuthor Commented:
I saw that proposed solution as well but couldn't get it to work for my application.  I ended up just showing all the values
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