Truncate Long Text in ASP.Net Label in DataList

HI

i have datalist in my page and I have a table in my Data base that keep some Discription about product i bind this discription to my datalist my data list width is 150PX but my description that i bind from my database are  long that can not getting there  i want my description text show in my datalist like this :

EX:

see second row this is description row that i bind i want in this row show my text and if my text be longer than my datalist width it doesnt show the continue of my text it show this  (...)