Formatting date in Linq-to-Entities query causes exception

Question

I have Entity class with datetime filed, I want to select distinct \'mon-yyyy\' format datetime filed value and populate drop down list.

the following code giving me

Answer 1

I used a workaround to build the formats containing yyyy and MM manually. I would like to mention it here if it may help someone (at least temporarily):

FormattedDate = d.ReportDate.Year.ToString() + "-" + d.ReportDate.Month.ToString()

this makes the format yyyy-MM