I have a combo box on a form that is linked to a SharePoint field, the combo box populates correctly however I am having difficulty trying to add VBA code to select all of the options or to unselect all options.
With a standard combo box you can use:
cmbBox1.value = ""
and that will reset the field. The same thing can be done with a list box that has multi-select enabled however this tosses an error, "This control is read-only and cannot be modified", with the combo box that has multi-select because of the lookup.
I have done some searching however no one seems to have a real answer other than to use a listbox instead and that isn't a solution here.
Has anyone worked with one of these fields and know how to select all of the options using VBA?
Here is a link describing this type of field but it does not discuss how to interact with it using VBA - http://office.microsoft.com/en-us/access-help/use-a-list-that-stores-multiple-values-HA010031117.aspx.
UPDATE:
There has been some confusion about the type of field I was describing so I have added some screen captures to show the difference between a combo box that allows multiselect, a list box that allows multiple options and a combo box with the option added.
First the field I was describing:
Second the list box:
Lastly the combobox:
These images visualize the issue that was described. As you can see there are multiple check boxes that need to be selected or unselected. Normally I would not create a field like this but as described above this is how Access interprets a combobox from SharePoint that allows for multiple selections.
After a ton of searching and trial and error I figured it out.
To unselect all of the check boxes it is
cmbBox1.Value = Array()
So with this information I figured that to select items they have to be in an array. Creating an array with all of the items that are in the combo box and then setting the combo box equal to the array will select all of the items.
I used a basic loop to set each element of the array
Dim SelVals(), i
ReDim SelVals(0 to cmbBox1.ListCount - 1)
For i = 0 to cmbBox1.ListCount - 1
SelVals(i) = cmbBox1.Column(1,i)
Next i
cmbBox1.Value = SelVals
Obviously then you aren't limited to only using the entire contents - you could assign any array and those would be the values selected.
http://msdn.microsoft.com/en-us/library/office/aa140084(v=office.10).aspx
I beleive this covers what you are asking
Related
I have a form with multiple list boxes that all pull from the same table. I want a separate input box to populate a field from the table based on a selection from either list box. So if I select an item in MyListBox1 that record will display in the input box, but then if I select an item in MyListBox2, the input box will display that record instead.
I have a general idea how to do this with 1 list box based on the .selected of the MyListBox object. However, I'm trying to get an idea if its possible for based an Input box off the selected object's selection? Or last selected object if that makes sense.
This seems like a really counter-intuitive interface, but assuming I've correctly understood what you are looking to achieve, I believe you would need to use an unbound Text Box which would be populated via the After Update event of each List Box.
For example, given two List Boxes respectively called List1 & List2, and a Textbox called Text1, the following simplistic event handler could be defined for each list box to populate the Text Box accordingly:
Private Sub List1_AfterUpdate()
Text1 = List1
End Sub
Private Sub List2_AfterUpdate()
Text1 = List2
End Sub
Yielding the following daft behaviour:
I'm quite new to VBA and I've been looking around but cannot seem to find a solution to my problem.
I have made a navigation form (frmNavigation) with 3 buttons, each referring to a different form, let's call them frm1, frm2 and frm3. In the navigationform the control buttons to switch between tabs are all named differently (btn1, btn2, btn3), but the subform that shows either frm1, frm2, or frm3 has the same name: “NavigationSubform” (this shows a different form depending on which tab is clicked on, based on the 'navagation target name' referring to frm1, frm2 and frm3).
When I want to refer to a textbox (txtBox1) on form 1 (first tab) and insert a value i can do this by:
Forms!frmNavigation!NavigationSubform.Form!txtBox1.Value = "insert awesome text"
But how would I refer to txtbox10 on the second tab (frm2)? Just using the following does not work:
Forms!frmNavigation!NavigationSubform.Form!txtBox10.Value
You then get the error 2465 (can't find the field).
I’ve been trying many different things, but can’t seem to get it right. So how do I refer to a textbox on a different tab than the first one?
Help us much appreciated!
Only one subform can be loaded at once. So you've just got to break this process into two steps.
Store the value from txtBox1 somewhere outside of the NavigationSubforms (a textbox on the parent form with visible = no, a global variable or a table works).
In frm2's On Load event, set txtbox10 to be the value you stored.
Just note, that you will need to add conditions in the On Load event if you want to avoid that textbox being set to an empty string or a wrong value if you have a setup where your filter is changing.
I have three combo box controls(MFG, Code, and GrpID) in my VBA access form. Once the user selects an option from the first combo box (MFG), rest of combo boxes give me available options. But I need to do some validation i.e. what if the user decided to change the value of first combo box? The values of rest combo box should be cleared. All I need to do is once the first combo box is changed the second and third combo box need to be cleared out or at least set to focus on them so that users will realize that they can't use old values as first value is cleared in the first combo box. I added a code block 'AfterUpdate for first combo box as shown below:
Private Sub MFG_AfterUpdate()
Code.Value = " "
GrpID.Value = 0
End Sub
The problem after writing above code is: they don't get empty until they(Code and GrpID) get clicked. In other words, I need to click them to empty them every time I change the value of MFG. Can anyone direct me how do I clear them or at least focus them?
Set the combo to null to wipe any displayed value in them;
Me.Code = Null
Me.GrpID = Null
This assumes your combo controls are called the same as your field names.
Edit for clarity: Including the Me. makes sure your are changing the form control values. If your field names are the same as the controls then Access will change the underlying field values, and as you have discovered on your form these aren't reflected until you click in that fields bound control.
I have a form with two dependent cascading combo boxes with a textbox. What I want it to do is after I select the 2nd combo boxes (cboxHDD), the txtDescription would update or requery to the selection of cboxHDD. I found some examples online but I can't seem to get it to work update/requery.
The code to txtDescription:
With Me
.txtDescription.Value = cboxHDD.Column(3)
End With
The database is also provided in the following link:
Computer-HDD Database
Have you tried putting txtDescription.Value = cboxHDD.Column(3) in the "After Update" event of cboxHDD?
I would like to know if it is possible to open a combo box and see it's elements listed from another object on the form. I do not like the 'down arrow' on the combo box and would like to create something more 'stylish' if it is possible. I am wondering if there is a routine one could write and put on another object so that upon the 'on click' event, the user will see all the elements listed within the combo box and have the opportunity to select one of them.
For that you can use the Dropdown method of Combobox object.
Example:
Dim cmb1 As ComboBox: Set cmb1 = Me.Combo1
cmb1.SetFocus ' necessary
cmb1.Dropdown
Note: The control needs to have focus so you have to set it programmatically first.