How to make a search function for sql database , and how to get time when info from a table was edited?

Question

I couldn\'t find : Lets say , I have 3 textboxes on my asp.net website:

1.Name ___________
2.Code ___________
3.ID   ___________

I want to

Answer 1

on buuton click u can update or keyup event ... or after mouse lose focus on textbox

Answer 2

Make another coulmn in your database & update with things changed by user with date...

to search

first make that coulmn indexed (for fast search)

query will be like :

select * from table where Item like @search+'%'

or

you can use match or contain query for full text search...

remeber do not use query like

select * from table where Item like '%'+@search+'%'