Hi There folks,
I have probably an easy question for ya, I am trying to build a database in VB.net with some success however i'm getting really stuck on one issue. I have a list of checkboxes which will be checked whenever a brochure is sent or requested, this works fine until i try to query wither or not the checkboxes has been checked. I keep getting a data type mismatch error. In access i simply set the filter on sent brochure to yes and that gave me the results. I have been reading as much as possible on this and am getting no where i have found some articles that mention that checkboxes get stored in a 1/0 format and tried this to but no success. I need help in coding that if a checkbox is checked on the form 1st it hets stored in the table and second how to build a query to retive wither or not the sent checkbox has been checked.

Checkboxes work in 1/0, but access works booleans in -1/0. Since the 0 is false in both cases, the best you can do is checkbox.value * -1 always, and you will get the rigth value inserted in the database, and the same when you recover your data.
For the query, you can still use true/false to get your data, or -1/0, whatever you like more...

HTH

Gonzalo

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Hi gbianchi, Thanks mate for responding however i am unsure what you mean, I know my ignorance must astound you when i try the query

SELECT ContactID, OrganisationName, ContactType, Title, Gender, FirstName, LastName, Address1, Address2, Address3, Address4, Address5, Address6,
                      [E-mail], [Phone#], [Mobile#], DateOfBirth, [Interest Area], [Interest Area2], [Interest Area3], [Interest Area4], [Interest Area5], SummerBrochureReq,
                      PTProspectusReq, FTProspectusReq, LeafletReq, PTbrochureReq, PosterA3Req, PosterA4Req, FlierReq, OtherReq, PTProspectusSent,
                      FTProspectusSent, SummerBrochureSent, LeafletSent, PTbrochureSent, PosterA3Sent, PosterA4Sent, FlierSent, OtherSent, OtherCourses, DateSent,
                      [Date()]
FROM [tblStudents&Organisations]
Where SummerBrochureSent=-1

I get no results at all and if i try with 0 i get all the records that are store irrespective of wither or not there checkboxes are checked or no, also true/false yes/no here always throws up the previous message

If you get all the records with 0, then you are not storing changes into the database when you check or uncheck the checkboxes...

HTH

Gonzalo

================================================== =========
Read this if you want to know how to get a correct reply for your question:
http://www.catb.org/~esr/faqs/smart-questions.html
^^Took that from dparsons signature and he Took that from planoie's profile
================================================== =========
My programs achieved a new certification (can you say the same?):
WORKS ON MY MACHINE
http://www.codinghorror.com/blog/archives/000818.html
================================================== =========
I know that CVS was evil, and now i got the proof:
http://worsethanfailure.com/Articles...-Hate-You.aspx
================================================== =========

Thanks again friend, of course you are correct its seems that i am making changes that will show when the forms are loaded but not updating the database, Think i need to go back and look over the basics again. But thank you for ur response :)