Re: [MS_AccessPros] New (Blank) Record button disabled

 

John,

in Form "CST Participants Entry" Main form i first get "CstName" from user, then in sub form "Data Entry CST Account Sub Form" for any member there is single entry for that member (member has his own choice to participate in any CST). And in tblPassport for each member there is a single entry for his "PassportNo".

Now please tell some way in this situation to add new record in sub form "Data Entry CST Account Sub Form".

Should this query be modified OR we have to break it in two queries ?

Regards,

Khalid

 

---In MS_Access_Professionals@yahoogroups.com, <JohnV@...> wrote :

Khalid-

Your tables appear to be related like this:

CST Transaction  <===  Members  ===>  tblPassport

A query on those three tables will produce the Cartesian product of rows in CST Transaction and rows in tblPassport for each Member.  So for example, if a Member has 5 transactions and 3 passports, you'll get 15 rows for that Member.

That's not updatable - which would explain why you can't add a row.

John Viescas, Author

Effective SQL

SQL Queries for Mere Mortals 

Microsoft Access 2010 Inside Out

Microsoft Access 2007 Inside Out

Microsoft Access 2003 Inside Out

Building Microsoft Access Applications 

http://www.viescas.com/ 

(Paris, France)

On Jul 22, 2017, at 11:36 AM, khalidtanweerburrah@... [MS_Access_Professionals] <MS_Access_Professionals@yahoogroups.com> wrote:

Hi all,

I have a form "CST Participants Entry" having sub form "Data Entry CST Account Sub Form" its Record Source is query "CST Transaction Data Entry Query" having Sql:

SELECT DISTINCTROW [CST Transaction].MemberID, Members.MembershipType, Members.SurName, Members.GivenName, Members.GenderStatus, [CST Transaction].CstName, [CST Transaction].OutwardDate, [CST Transaction].OutwardDeparturePort, [CST Transaction].OutwardArrivalPort, [CST Transaction].InwardDate, [CST Transaction].InwardDeparturePort, [CST Transaction].InwardArrivalPort, Members.Working

FROM Members INNER JOIN [CST Transaction] ON Members.MemberID = [CST Transaction].MemberID

WHERE (((Members.Working)=True))

ORDER BY [CST Transaction].MemberID;

Up to here all is OK i am able to add  a new record and new record button is enabled.

The problem occurs when i try to include table "tblPassport" and its field "PassportNo" in above query, then the Sql becomes:

SELECT DISTINCTROW [CST Transaction].MemberID, Members.MembershipType, Members.SurName, Members.GivenName, Members.GenderStatus, tblPassport.PassportNo, [CST Transaction].CstName, [CST Transaction].OutwardDate, [CST Transaction].OutwardDeparturePort, [CST Transaction].OutwardArrivalPort, [CST Transaction].InwardDate, [CST Transaction].InwardDeparturePort, [CST Transaction].InwardArrivalPort, Members.Working

FROM (Members INNER JOIN [CST Transaction] ON Members.MemberID = [CST Transaction].MemberID) INNER JOIN tblPassport ON Members.MemberID = tblPassport.MemberID

WHERE (((Members.Working)=True))

ORDER BY [CST Transaction].MemberID;

In this situation i am unable to add new record. Help required please.

Regards,

Khalid

 

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Posted by: khalidtanweerburrah@yahoo.com

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