Jimmythemadman
Registered User.
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- Today, 17:03
- Joined
- Jun 18, 2007
- Messages
- 12
i have created a form for my database where i intend to give the user the option of searhing my more than one criteria but not all.
i have used a system of combo boxes for the user to enter thier choises leaving the combobox blank for any criteria they dont know.
the user then clicks th button to open the query
in the query i have set the criteria for the fields to equall the related combo bo in the form.
however if the comboboy is left blank (0 or null) the query looks for a record where that field is also null. as a result it wont return any records.
an example
on the table tblFault there is the record
FaultID; 7
Computer id; 2
Name; c
Room-ID; it1
Date Of Fault; 05/06/07
on the form the user enters the following values into the combobox
FaultID; 7
ComputerID;
Nme; c
Room-ID; it1
Date of Fault 05/06/07
the query returns no records insead of the record above.
this is because it is looking for a record in the table where the Computer-ID field contains a null value.
is ther a way to ignore the chriteria if the combobox contains a null value????
i have tried to use vb to convert all null values to be "Like "*"" but it keeps returning a type missmatch error but still changes to combo box value to ; Like .
i have used a system of combo boxes for the user to enter thier choises leaving the combobox blank for any criteria they dont know.
the user then clicks th button to open the query
in the query i have set the criteria for the fields to equall the related combo bo in the form.
however if the comboboy is left blank (0 or null) the query looks for a record where that field is also null. as a result it wont return any records.
an example
on the table tblFault there is the record
FaultID; 7
Computer id; 2
Name; c
Room-ID; it1
Date Of Fault; 05/06/07
on the form the user enters the following values into the combobox
FaultID; 7
ComputerID;
Nme; c
Room-ID; it1
Date of Fault 05/06/07
the query returns no records insead of the record above.
this is because it is looking for a record in the table where the Computer-ID field contains a null value.
is ther a way to ignore the chriteria if the combobox contains a null value????
i have tried to use vb to convert all null values to be "Like "*"" but it keeps returning a type missmatch error but still changes to combo box value to ; Like .