Create Conditional Expressions In A Table

Sep 27, 2014

I am trying to create a conditional expression in a table.I am trying to say the following:

If [KIND] is "DEER", return "70", Otherwise, if [KIND] is "ELK", return a calculation that is [WEIGHT]*.7.

I am hung up on the calculation for the "ELK." If I write IIF([KIND]="DEER","70", IIF([KIND]="ELK", "[WEIGHT]*.7","OTHER")).

I can enter the expression, but when I open my Form and select "ELK", the field that is supposed to have the calculation just shows [WEIGHT]*.7.....it does not perform the calculation.

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Mar 6, 2013

I want to have Access run a query, open a report, and print the report based on the ID number of the form that I have open. Is this possible?

The situation would be, I have a form that uses the the primary key as a record number. After I enter the data into the form, with the form open I want to add a button to open and print a report of the current record number.

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Sep 6, 2005

I guess I need to create an if else statement for one of my fields in a query. The query basically calculates a dollar amount from certain fields in one of my tables and sums them together at the end with an expression.

I also have a true/false field in the same table. and if it's true then the expression in my query must equal 0, if false then it sum up the fields. Do I need to create a module for this or is it possible to do this directly in query? And if so, how?

Thanks,

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Jun 22, 2006

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Feb 22, 2006

First off, I am not sure if this belongs in the queries forum but it seems most of the question is geared towards a table so I have posted it here.

At the moment I have a query that contains several fields that use nested IIf statements to determine which set of rules to apply. I was wondering if it is possible to somehow set the IIf variables up in a table and then for just to lookup the table in the query.

For example, one of my simpler IIf's looks like this...

Cost:
IIf([AType]='Skill',
IIf([StartDate]<#01/08/2004#,
IIf([AOP]>0,
([BasicRate]-[Frame])/[AOP]/100*[Proportion]),
([BasicRate]-[Frame])/[OP]/100*[Proportion]),
([BasicRate]-[Frame])/[OP]/100*[Proportion])


So I was thinking could I setup a table to show:


FieldName AType StartDate AOP Calculation
Cost Skill <#01/08/2004# >0 ([BasicRate]-[Frame])/[AOP]/100*[Proportion])
Cost <>Skill Is Not Null Null ([BasicRate]-[Frame])/[OP]/100*[Proportion])


and then somehow perform the calculation rather than just look it up.

The main reason is it would be so much easier to see what is being calculated rather than try and weed my way through nested IIf statements.

Can anyone shed any light on this or maybe even a better way to accomplish what I am after?

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Hi all-
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Apr 11, 2013

I am writing some iif conditional statements in one of my tables to assign new values in that table.

Code:
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Jul 29, 2006

Help me what is wrong with this expression:eek: :

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Hi,

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I have a complicated question here. I am currently building a db for career development in my workplace. The main fields that i am having some issues with is the following. I have three fields labelled as the following:

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I’m starting to wonder how I ever made anything work, before I found this place.

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Hi experts

I have some problems consists of using Conditions.
I have 4 tables in Access:
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tbl2_ School features with Number of Clesses, Number of Students, total Area etc.
tbl3_teaching stuff with names, occcupations, Ages ets. and
tbl4_nonteaching personal with names, occupations. ages, etc.

References is ID_Number of schools
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Question 1.
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b)if schools have between 500&800 Students there are ig.25 teachers and until 1500 Students there are ig. 50 teachers.
Question 2.
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Numbers I specified like examples ig. were prescribed bye regulation.

If someone want to help me how can I use Expression Builder or VBA Code it would be appreciated.

It means I should use Condition Commands.

Thank You for help.

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Is there anyway to use an if statemet to define the criteria for a query?

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if forms!RunReport!cboname <> "" then
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end if

also is there any way to use a dlookup function (or another similar function)
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ex.
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Feb 29, 2008

Hi all!

I'm new to this forum and could use some help on a simple Access app. I have attached the relations for the db. I need to collect some data to a subform as:
tblFunctionCodes.FunctionCode,
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Monday (hours),
Tuesday (hours),
Wednesday (Hours),
Thursday (hours),
Friday (hours),
Saturday (hours),
Sunday (hours)
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The weekdays need to be an expression with my current design, which seems to work ok from Monday to Saturday, but when I throw in Sunday Access says the query is too complicated.

I have this query to get the data, but with no expressions (can't get it to work):

SELECT tblFunctionCodes.FunctionCode, tblAccounts.AccountNumber, tblRegistrations.Hours, tblDates.DateWeekDay
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Anyway I'm out of ideas and very pressed to makes this work. Any ideas are welcome!

Thanks in advance, jon.

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Hi all, I'm writing a database basically as a favour to someone. I'm a sql analyst/programmer so my access and vba skills are a little limited and I hope someone can help me with a problem I have.

Part of one of my forms is a flow chart style set of Yes/No questions and the user answers each question. For each question I have created a (hidden) text box which calculates a score (5 for no, 10 for yes) which I have done with a IIF expression in the Control Source of the text box. These are then totalled to give an overall score.

This score is then used to calculate a grade (A or B) and a percentage score using the same IIF method in the control source.

What I want to do though, is use this grade and percentage and write it to the individual record as data in the table - to use in reports and such like.
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Any help would be greatly appreciated!

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Nov 24, 2005

Hi,

Is there a way on Access that when a total is calculated using an expression on a form that it could update the table itself with that total?

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Roly

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