Farsi Persian Fonts In Sql And Easy Populate

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NOW, when I add a product to cataloge online, she accepts my persian fonts and show everything okey on IE6.0 with coding unicode utf8.
but when I edit the same products in excel or notebook , after upload to ms sql, IE show meaningless letters.
I think that problem should not be in sql as she accepted my fonts if I directly via zen admin entered. can somebody help me ,
I am going to do my contribution for zen cart community in translating zen into arabic and farsi, the test on my localhost pc was okey, but by using easy populate not yet. If somebody help me, we will soon have arabic and may be persian languages too.

thanks