Convert DataTable Rows to StringList.....

I have a DataTable and need to convert each rows to a full string seperated by commas.
Example Table with 5 or more rows.
MSEE
1233
3333
333344
44343
2323
Convert the above table to string with commas such as
myString = "1233, 3333, 333344, 44343, 2323"  <-- this is the goal of the application.