read muti stilyng cell error

Jul 18, 2014 at 12:23 AM
I have a document I need export information to my database
when I'm reading a cell which have muti stilyng font:

this is Normal, this is Bold

I get error 'System.ArgumentOutOfRangeException' but the cell exist and has values

and If I go with debug, the value take a couple of seconds to apper I'm not sure what is

I'm very estressed by this issue

can please some body help me