Inserting Non English data into Database

in my database (MYSQL) i have a field

this field is in non english format (it can store english but im inserting sinhala (sri lanka)

FirstName TEXT CHARACTER SET ucs2 COLLATE ucs2_unicode_ci,

when i insert a record manually it works fine
but when i insert the record via pregame its shown like this

FirstName
?????

but when i insert manually directly via database it works fine

this is my code so far

connection_to_Visual_dataset_sec.insertSinhalaQ("හලො");