Gopal
I have replied to the newsgroup rather than your e-mail address to share the information with other people
Check the SQLCE documentation, you will need to use 'ALTER TABLE'
I don't know if you can change the data type of a column, you may have to drop the column and add it again
Chris
----- Gopal Haldar wrote: ----
how do I change the datatype of an existing column of a table in sqlce database in a PDA application which is developed with .net copactframework.Please mail me the soluation in my mail id.