Validating querystring disable dating in hope

I am passing a sql string thru my querystring for the next page to capture. str=select * from table where name like '%doe%' Passing a basic string works fine.But, when I use the LIKE statement it does not work.sortby = "last_name,first_name" mysql="select * from personnel order by " & sortby mysql= I'm not an expert on it but if I understand correctly one attack involves appending SQL Statements. This email account is my spam trap so I don't check it very often.Some DBMSs allow multiple statements to be executed in one call. What I do is have a sortby in the querystring, which matches the column names... mysql="select * from personnel order by " & sortby You should check to see if sortby is empty, and set it to a default sorting method if so. Some DBMSs allow multiple statements to be executed in one call.sortby = "last_name,first_name" mysql="select * from personnel order by " & sortby mysql= select * from personnel order by last_name,first_name;delete from personnel If you do a search on "sql injection" you will probably find a dozen articles that explain this and other attacks much better.*** Sent via Developersdex Hey Joey, i think writing the whole sql statement in the querysting is a bad idea - you are open to sql injection attacks and the like.All your user has to do is substitute delete for select, and hey presto, your table is empty (unless you've denied delete rights on your db user account).... "Kyle Peterson" wrote: well, hopefully your only doing this in a secure area of the site that only admins use regardless you want to Server.

This question is asked because I want to improve my regex skills, and parsing a query string seemed like a rewarding challenge.I need a way to pass the querystring to the next page that re-sorts the columns. sortby=last_name,first_name Then in you just dynamically build your sql... sortby=last_name,first_name Then in you just dynamically build your sql...What I do is have a sortby in the querystring, which matches the column names... mysql="select * from personnel order by " & sortby You should check to see if sortby is empty, and set it to a default sorting method if so. sortby=last_name,first_name Then in you just dynamically build your sql... mysql="select * from personnel order by " & sortby You should check to see if sortby is empty, and set it to a default sorting method if so. You should never I'm not an expert on it but if I understand correctly one attack involves appending SQL Statements.I know it's because of the % sign, so how do I translate this thru, so that the following page picks up the percent sign? So if I do not include the sql querystring in the address bar (and I appreciate you pointing out the security problems), how do I perform sortable colums?I need a way to pass the querystring to the next page that re-sorts the columns.

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