Hi 

The only way I could think of is to use stored procedure. If this option is valid then have a look at the following thread:

http://stackoverflow.com/questions/23089579/how-to-separate-split-string-with-comma-in-sql-server-stored-procedure

Hi K2A,

To Bind Data with Choice or DropDownList you need to  enter data either in static list or by smartform as datasource,  as they supports these methods only.