Combo Box navigation and update

i need a frame which will popup up the value from database into comboBoxControl and using the navigationBar to navigate the data. But when i click the insert , it will allow me to select the same data from the database. Which item in the property should i set in the conboBoxControl.

ya Ad,
          This is my code ..........
oCmb1 = frm.Items.Item("cmb_dept").Specific
            oCmb2 = frm.Items.Item("cmb_mno").Specific
            oCmb3 = frm.Items.Item("cmb_ename").Specific
            oCmb4 = frm.Items.Item("cmb_mtype").Specific
            oCmb5 = frm.Items.Item("cmb_chk").Specific
            oCmb6 = frm.Items.Item("cmb_agy").Specific
            oTxt = frm.Items.Item("t_docno").Specific
            oTxt1 = frm.Items.Item("t_date").Specific
            oTxt2 = frm.Items.Item("t_desc").Specific
            frm.DataSources.UserDataSources.Item("DS_dept").Value = rec.Fields.Item("U_Dept").Value
            frm.DataSources.UserDataSources.Item("DS_mtype").Value = rec.Fields.Item("U_MType").Value
            frm.DataSources.UserDataSources.Item("DS_agy").Value = rec.Fields.Item("U_CAgency").Value
            frm.DataSources.UserDataSources.Item("DS_mno").Value = rec.Fields.Item("U_Mno").Value
            frm.DataSources.UserDataSources.Item("DS_ename").Value = rec.Fields.Item("U_Ename").Value
            frm.DataSources.UserDataSources.Item("DS_chk").Value = rec.Fields.Item("U_Chklst").Value
            frm.DataSources.UserDataSources.Item("DS_dno").Value = rec.Fields.Item("U_DocNo").Value
            frm.DataSources.UserDataSources.Item("DS_date").Value = rec.Fields.Item("U_Date").Value
            frm.DataSources.UserDataSources.Item("DS_desc").Value = rec.Fields.Item("U_Desc").Value
Regards,
Anitha

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Combo Box Valid Values Update

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Programmatically update Combo box won't update its Local variable

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Combo box, ring and event to modify them runtime

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I attached a picture of the block diagram. Using LV 8.2.1, win XP.
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Attachments:
double box test.jpg ‏97 KB
Test doppio ring.vi ‏21 KB

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http://zone.ni.com/devzone/cda/tut/p/id/3331
http://zone.ni.com:80/reference/en-XX/help/371361B-01/lvconcepts/using_events_in_labview/
http://zone.ni.com/reference/en-XX/help/371361B-01/lvhowto/caveatsrecmndtnsevnts/
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Hi there
Thank you in advance for taking the time to check this out.
Objective:
I have 2 combo boxes, one is dependent on what has been selected in the first combo box (dynamic named range), they work fine except for an irritating error when the user accidentally clicks in the empty
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Main combo box= cmbx_Category_Type
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Me.Cmbox_IncCategory = "" 'Clears the contents of the 2nd combobox when another category is chosen
On Error Resume Next
'I can't seem to have the Incident Category combobox to be empty when the form is open _
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form_initialize, but get an error ... I'm stumped !
Select Case Me.cmbx_Category_Type
Case "Crime"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_CRIME"
Case "Property Damage - Minor - NS"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_PROPRTY_NS"
Case "Property Damage - Significant - S"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_Proprty_S"
Case "Safety"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_SAFETY"
Case "Security Breach"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_BREACH_S"
Case "Support"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_SUPPORT"
Case "Vehicle"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_VEHICLE_S"
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I’d be really grateful if someone could help me out, or perhaps direct me to where I might find some coding that will achieve the result I am seeking.
This links to
My Sample form
With much gratitude,
TheShyButterfly
Hope you have a terrific day, theShyButterfly

Hi Peter,
Thank you for your quick response :) Brave man! :)
Both combo boxes are blank to start with (because nothing has been selected). If I click on the first combo box (cmbx_Category_Type) which lists the main events/category types, but I don't select any thing, and I click in the secondary box
(Cmbox_IncCategory) and then click on any other control, I get an “Invalid property value” error. When I click OK on the error (a few times) and I return to the code window, it gives no indication where/what is breaking
the code/causing the error. I have no choice but to exit the form by stopping in the code window.
If I click on the first textbox, (cmbx_Category_Type), and then do the right thing and make a selection, then I have no problems with the secondary textbox (Cmbox_IncCategory).
As I am not that up on VBA I am trying to follow your instructions... I have changed the code as follows, removed and replaced the rowsource name, but I encounter the very same problem.
When I changed my code from Me.Cmbox_IncCategory="" to yours myCombo.ListIndex = -1 (changing the combo box name to reflect my combo box name) and adding the second line of code ...
Me.Cmbox_IncCategory.ListIndex = 0 I still got the same behaviour and error.
I even tried moving each row of the named rows down one row (so that there would be a 'blank' row which could be selected to get out of trouble, but it wasn't very successful either.
Have you opened my form to see what happens, I included the link so whoever was looking at my problem (and yes, I have many I know), could see for themselves what it is doing/not doing.
The code now reads as below (is this what you meant?) - the results were as I mentioned above.
Me.Cmbox_IncCategory.ListIndex = -1 'Clears the contents of the 2nd combobox when another category is chosen
Me.Cmbox_IncCategory.ListIndex = 0
' On Error Resume Next
'I can't seem to have the Incident Category combobox to be empty when the form is open _
I have tried Cmbox_IncCategory.Value = "", but I get an error. I then tried Cmbox_IncCategory.text = "" _
but also get the error. I don't know how else to get it to work .. I tried both codes in the _
form_initialize, but get an error ... I'm stumped !
Select Case Me.cmbx_Category_Type
Case "Crime"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_CRIME"
Case "Property Damage - Minor - NS"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_PROPRTY_NS"
Case "Property Damage - Significant - S"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_Proprty_S"
Case "Safety"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_SAFETY"
Case "Security Breach"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_BREACH_S"
Case "Support"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_SUPPORT"
Case "Vehicle"
Me.Cmbox_IncCategory.RowSource = "Inc_Cat_VEHICLE_S"
End Select
End Sub
I appreciate your patience :) I am growing in knowledge, but its a slow process. Please let me know if there is anything else I can help clarify for you :)
This links to
My Sample form
Thanking you again
TheShyButterfly
Hope you have a terrific day, theShyButterfly

Combo box in javascript

I have a combo box (combo1), and on changing the value selected in it, a second combo box (combo 2) is displayed on the screen.
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All the code i've tried searching for so far, uses the HTML version of combo box, and accesses the value in java script using the line "document.formname.OPTION.[selectedindex].value".
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