Binding Calculation Controls

Dec 30, 2004

I am trying to create a textbox control that uses an expression. I then want this expression to be stored in a field in a table I have created. Can someone help me with this please?

tsg

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Changing ControlSource Binding

Aug 29, 2005

I have a form. The form is bound to an underlying query which is a left join between two tables. (SELECT ... T1 LEFT JOIN T2 ON T1.RID = T2.RID ....)

Now, what I want to happen is the value in T1.RID does have a match in T2, then I want a sequence of text controls to be bound to fields from T2, otherwise I want them to be bound to fields in T1.

I almost have it working. I have Form_Current() and T1_RID_Change() both calling a routine

sub BindControls()
if isnull(T2_RID.value) then
txtField1.Controlsource = "T1.Field1"
txtField2.Controlsource = "T1.Field2"
' etc for each field
else
txtField1.ControlSource = "T2.Field1"
txtField2.ControlSource = "T2.Field2"
' etc for each field
end if
end sub

The problem is that when I change the value in T1.RID, most of the times it does change the controlsource appropriately. But other times it lags. It keeps the wrong controlsource until I try changin RID again, and sometimes the text boxes are just blank, so I am not sure what is going.

Am I ultimately going to be able to make this scenario work?

Thanks,
David

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Sep 28, 2006

Hi,

I wonder if it's possible to bind one form to more than one table without using 'sub-form'?
I basically have one text box that I want to bind to a different table than the one the form is linked to and I don't know if I should use a subform.

Regards,
B

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Binding Recordset With Combo Problem

Feb 26, 2005

Hello Everyone,
I am stuck in a problem for many days now.
In the form, on which I am working, there are 2 dropdown lists (combo box).
The data in the first combo is coming from a list and in the second combo, I am running a query, and depending upon the selection in the first combo, the data in the second combo may come from one of many tables in the database.
What I want is to have control over the data, before it is being displayed in the second combo, as the data in have many null and 'same name' entries. But what I don't want is to change the original data in the tables.

Till now, I have been trying to make use of persistant recordset, that is, by storing the recordset in an external table, changing its data and binding it to the second combo. But I am unable to bind the data.

What in your opinion, is the best approach to accomplish this. A snippet will be of great help as I am not a experienced programmer.

regards

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Binding Recordset To Report With VBA Code

May 5, 2005

Hy,i have some ADO recordset and i want to bind it to blank report that I made in reports.How to do this.
If i create report in reports section and after that i want to see it in my code as that same object and set his record or data source property how to do this??
I know that you can set the recordsource property directly in report but it includes some values from textbox in my form that doesn't show corectly(it's an array of numbers,and i don't know why it doesn't accept it).
Thanks

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Sep 7, 2012

Function that searches modules for instances of early binding? Im sure i could write one, but why reinvent the wheel?

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Jun 4, 2013

I have a user form that has many unbound controls that are used as calculated controls that lead up to an unbound control that is the grand total of all the data entered. I would like for the unbound grand total control to update the grand total field in the table where I would like to store the data..is there a way I can bind an unbound control to a field in a table?

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Feb 28, 2005

I created a a table with multiple columns. For example the table looks like as follows:

Table name - Observationcode
Code Value Description
CCH 1000 Heavy Crack
CCM 750 Medium Crack
CCL 500 Low Crack

I created fields on the subform - frmsubmain1
Field names are as follows:

Observation Code
Value
Description

I created combobox for a field called "observation code" so that the above mentioned table "observationcode" appear as a pull down menu to select from multiple lists. In the property section I bound the feild "Observation Code" to " column 1" to record the item in the column 1. I reapted this process for the fields "Value" but this time I bound the field to column 2 to show the value rate or value for the selected code. Again I reapeated this process for field name called "Description" but this time I bound the column to the column 3 to record the description for the corresponding code.

On the main form - frmmain

I created a field called Rate to calculate the total value in the subform "frmsubmain1" the validation rule looks like as follows:
=sum(Forms![frmsubmain1]![Value])

None of these seems like working except for the first one "Observation code". Observation code is looking into the right column and registering the right code but not the other two fields are not looking to the right columns, instead they are looking into the firts coloumn. I don't know why. Can anyone help me resolve these issues. I appreciate your help. Thanks.

Girma

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Oct 2, 2013

I am trying to send tasks to other people using access vba. I had used before in my database but was using early binding and now through version issues of office I am trying to recreate the code using late binding, however I am getting various problems with certain lines of code.

Primarily .datedue line I am getting run time error 438 object does not support

Below is my code:

Public Sub ASB5PostponedTask()
Dim olApp As Object
Dim olTask As Object
Dim olDateEnd As Date
Dim ToContact As Object
Dim olTaskOwner As String
olTaskOwner = "e.grainger"

[Code] .....

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May 19, 2015

Basically, I originally wanted to create a form which I can input data into Access with by using a button (I was unable to get Access to append the information from the forms to the table, so it didn't work out!). I did not want the fields on the form to be linked to a table, as then a record (and most importantly an auto-number) is created as soon as somebody starts typing. Should somebody stop typing halfway through and quit the form an autonumber will have been generated, which makes the number of "users" seem higher than it actually is. I got around this by changing the field from autonumber to number and then creating a query that selects the maximum value of ID in the table, then adds 1 to it (which is essentially the lowest unique number. I tend to call this newID).

The problem I now have is setting this to be written to the table alongside the data from the form (the rest of the fields on the form are now connected to the table, as I am no longer using an autonumber). I have tried the following: Setting the form to run the expression "[ID] = [qryMaximumUserID]![NewID] " on load. This returns the error "The object doesn't contain the Automation object 'qryMaximumUserID.' Setting the control source of the text box to be dLookup. This fills the textbox with the correct value, but then it doesn't write it to the table! Setting the default value of the field to be 0, then running an update query to update any ID of 0 (criteria "0" to the value of newID "update to: [qryMaximumUserID].[NewID]. "). However this doesn't work as whenever the query is run it asks for a parameter to be entered, rather than just taking the value from the other query. Writing a macro that is run on load to SetValue of item:[ID] to expression: [Forms]![qryMaximumUserID]![NewID]. However this returns an error "Microsoft Access cannot find the referenced form 'qryMaximumUserID' you entered in the expression.

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Nov 12, 2013

I have a form with a (large) number of controls which acts as a kind of read-only dashboard of data. The data is split across a number of tables (4, for now, but may grow) I've created a query which amalgamates all of the data from the tables into a single dataset and set that as the RecordSource (Snapshot) of the form. I now want to bind each of the controls to a particular field returned by that query.

However - I have a combobox (same form) which allows users to select a date and I need the controls to update with the relevant data for that date whenever the combobox is changed. The query already returns values for each field over a range of dates so the data is available within the form's RecordSource - I just don't know how to include the date criteria, as specified by the combobox, when binding each individual control?

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Apr 21, 2005

I need create controls with Controls.Add in one forms on event LOAD.

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May 11, 2005

I have a form in my Access database that after trying to add another field to it today, I get the error "Microsoft Access can't create any more controls on this form or report."

I'm guessing I reached some type of limit that I was not aware of. How can I get around this?

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Jul 19, 2005

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Aug 17, 2005

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Jan 27, 2005

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And if so, how?

Everytime I try to fix another tab control on an already existing tab control, it places it on the form, not the control.

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Oct 3, 2005

I have placed a tab control within a tab control (which I have done before). The problem is that the sub tab control appears on every page of the main tab form (encountered this before). I fixed it in the past by placing code on the on open event to make the sub tab control not visible unless the appropriate tab is selected. That worked fine.

I have tried this in the new program and find that when I set the value of the main tab form to 4 (the page index of the tab) the sub tab form will not display at all. However if I set it to zero it will display regardless of which tab is selected. Confusion has now set in :confused: . Any thoughts out there on what I have done incorrectly.

[/CODE]Private Sub Form_Open(Cancel As Integer)

'Me.OrderBy = "RankNo desc"
'Me.OrderByOn = True
If TabCtl44.Value = 4 Then
TabCtl144.Visible = True
Else
TabCtl144.Visible = False
End If
End Sub[CODE]

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Calculated Controls

Jan 24, 2005

I have a main form which shows customer personal details including their budget and a subform which shows the costs for each course they book. The sub form has 4 boxes which I use to capture course fee, travel fees,subsistance and other expenses (along with other details such as course code etc). These cost details are stored in the table study_leave_recs in the respective 4 fields. I show on the subform the total spend for each course being booked using a calculated control. On the main form I use four dsum statements added together to show the total spend per customer.
=DSum("[COUR_ACT_FEE]","study_leave_recs ","BUDGET_HOLDER_ID=[study_leave_recs].[Form]![budget_holder_id]")+DSum("[COUR_ACT_TRAVEL]","study_leave_recs ","BUDGET_HOLDER_ID=[study_leave_recs].[Form]![budget_holder_id]")+DSum("[COUR_ACT_SUBSISTANCE]","study_leave_recs ","BUDGET_HOLDER_ID=[study_leave_recs].[Form]![budget_holder_id]")++DSum("[COUR_ACT_OTHER_EXPEN]","study_leave_recs ","BUDGET_HOLDER_ID=[study_leave_recs].[Form]![budget_holder_id]")

It works ok but is there a better way of doing this? Also is there any way I can use the resultant output to calculate / show the remaining budget (the budget is held in the general table "people"? I'm having trouble using the above statement to subtract the calculated spend from the budget box shown in the main form!!

I would appreciate any help, I seem to have spent ages on this on! Thanks in advance. Regards Peter

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Jan 28, 2005

I wanna know if it's possible to use an access 2002 form to create some controls(icons) on top of a picture (a map) so that i can click those icons to display some info. The trick part is that those icons positions are generated by x,y coordinates from the db itself. Plus a zooming control wold be a plus...

So what are your opinions on my little project.

Thank you all in advance.

JT

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Apr 19, 2005

Hi,

I have a pretty standard form to enter data about contracts. Depending on the type of contract, the user will answer a yes/no type question, and the result will determine what set of information needs to be entered next. Since the variables are grouped intrinsically, I would like to make them visible or not depending on what is necessary. I know how to do this with just one control, but not several at a time. Is there a way to treat them as a group, and have the form make the group appear/disappear as needed, or do I have to list out each control everytime i need to do this? Any help would be much appreciated.


Carsie

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May 3, 2005

I have application made in MS Access 2000

I got crazy with one Active X Control on one PC. On every other PC works fine but on this one I have error "Object is missing or does not exist".

I tried delete - copy - paste couple times, unregister and register control couple time, but error is still there.

Reference looks fine, I put control on the form and everything looks great.
I tried delete control from the form and put again.

When I try to assign some data to the control I have error "Object is missing or does not exists".

It's look like my Access programm see just as read only or something like that.

Does anybody have idea why my Active X Control does not work on this PC?

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May 18, 2005

I am currently using a popup Calendar in Access "Calendar Control 9". I mousedown on a field and the Calendar pops-up. I select the date and it populates field1. So far, so good. After I select the date I need I would like for field2 to populate with a date that is exactly six months out from the date I selected for field1. Any suggestions.
I hope this can be done as it would help immensely.

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May 28, 2005

Hi guys,

please give me some directions.

Recently I designed a form with several controls including both TextBox and Combox. Before I submit data by clicking the button, I use VBA to validate the values of those controls (textbox and combox). If the value is not valid, the system will eject a msgbox and automatically set the focus on that component. In order to tidy the code, I use a GoTo statement, which refers to a group of code to display the message due to the value of parameters

But it seems VBA doesn't recongize the control I set through the parameter.

The code as the following:

private function validation () as boolean

Dim ErrorMessage as string
Dim ErrorComponent as String

......
ErrorMessage="Please select the shop Name"
ErrorComponent="ShopName" // ShopNameis a combox

GoTo ExitFunction
.....

......
ErrorMessage="Please set the start date"
ErrorComponent="StartDate" // StartDate is a Textbox
GoTo ExitFunction
.....



ExitFunction:
msgResult = MsgBox(ErrorMessage, vbOKOnly, "Error Message")
Me(ErrorComponent).SetFocus
validation = False
Exit Function


=============

As I tested for seveal time, I'm sure there is something wrong with
"
msgResult = MsgBox(ErrorMessage, vbOKOnly, "Error Message")
Me(ErrorComponent).SetFocus
"

but how can I fix it?

Many Thanks

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Jun 2, 2005

Hello,

I want to use a tab form where the user can click add, search, and edit records all from 3 tabs. The problem is I only want to be able to add data on one form, edit data on another, and just read only on the search. This seems to cause a dilemma, how can I specifiy them to add, edit, and read only on one form using tabs?

Mateo

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Sep 2, 2005

Hey, I was messing about with tools>startup because I wanted a form to appear whent he database was opened.... I unchecked far too many options in there, and now I cannot design and modify my database anymore... it just goes straight to the form, but i cannot get anything back in design view.. is there a way to fix this??

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Dec 15, 2005

In my program I have a tab control with three tabs in it, how can I tell which tab currently has focus (which tab is activated) in VB? I checked all the properties of the tabs, and there's no GetFocus or Value or anything like that, so how do I do it?

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