Question : MS SQL Server 2008 Express modifying field sizes

If I create a field in a MS SQL DB can I resize the field (larger) after there are already records in it without having any affecting the data?

Example:  I create a varchar(50) field.  Add 1000 fields to the DB and then want to make the field 120 characters wide.

Answer : MS SQL Server 2008 Express modifying field sizes

go into the Tools -> Options and click on the Designers item in the tree menu on the left and make sure “Prevent saving changes that require table re-creation” is not ticked as below: