How to click out of Combobox? - excel

I have a combobox with the properties MatchEntry 1-fmMatchEntryCompleteand MatchRequired True.
I need it true to prevent any invalid entry in the combobox. I dont want to make this a Style 2-fmStyleDropDownList but rather keep it a Style 0-fmStyleDropDownCombo because I have about 1000 items to choose from.
This setup works, except if you accidentally click in the combobox, and try to click out of it. You keep getting
Invalid Property Value
Is there anyway I could code the invalid entries so I don't have to assign the property to True?

Figured it out if anyone has this problem in the future. All I did was keep the properties above, and add this code to my userform for the combobox1.
Private Sub ComboBox1_Change()
If Me.ComboBox1.Value = "" Then
'Match not required if zero lenght string
Me.ComboBox1.MatchRequired = False
Else
'Match is required if other than zero length string
Me.ComboBox1.MatchRequired = True
End If
End Sub

You can use the combo LostFocus event. It will check if the value matches one of the combo entries, send a message in case of not, and delete the combo value. Or it can do something else, if my suggestion is not good enough:
Private Sub ComboBox1_LostFocus()
If ComboBox1.Value = "" Then Exit Sub
Dim cbVal As Variant, boolFound As Boolean, i As Long
cbVal = ComboBox1.Value
For i = 0 To ComboBox1.ListCount - 1
If cbVal = ComboBox1.list(i) Then boolFound = True: Exit For
Next i
If Not boolFound Then _
MsgBox "The value """ & cbVal & """ does not exist between the combo items" & vbCrLf & _
"It will be deleted", vbInformation, "Illegal entry": ComboBox1.Value = ""
End Sub
MatchRequired should remain False (default)...

Related

Glitch when using RefEdit_Change Event in a VBA UserForm

The following should happen:
1. UserForm with 2 RefEdit controls is shown
2. The first RefEdit is used to select a range
3. The RefEdit_Change event adjusts the second RefEdit control to .offset(0,1) of the range
Here my code until now:
Module1:
Dim frmSelectXY As New frmSelectImportData
With frmSelectXY
.Show
.DoStuffWithTheSelectedRanges
End With
UserForm: frmSelectImportData
Option Explicit
Private Type TView
IsCancelled As Boolean
xrng As Range
yrng As Range
End Type
Private this As TView
Public Property Get IsCancelled() As Boolean
IsCancelled = this.IsCancelled
End Property
Public Property Get yrng() As Range
Set yrng = this.yrng
End Property
Public Property Get xrng() As Range
Set xrng = this.xrng
End Property
'Here is where the fun happens
Private Sub RefEdit1_Change()
'RefEdit2.Value = RefEdit1.Value
If InStr(1, RefEdit1.Value, "[") <> 0 And InStr(1, RefEdit1.Value, "!") <> 0 Then
RefEdit2.Value = Range(RefEdit1.Value).offset(0, 1).Address(External:=True)
ElseIf InStr(1, RefEdit1.Value, "!") <> 0 Then
RefEdit2.Value = Range(RefEdit1.Value).offset(0, 1).Parent.Name & "!" & Range(RefEdit1.Value).offset(0, 1).Address(External:=False)
Else
RefEdit2.Value = Range(RefEdit1.Value).offset(0, 1).Address(External:=False)
End If
End Sub
Private Sub SaveBTN_Click()
Set this.xrng = Range(RefEdit1.Value)
Set this.yrng = Range(RefEdit2.Value)
If Not validate Then
MsgBox "x-values and y-values need to have the same size."
Else
Me.Hide
End If
End Sub
Function validate() As Boolean
validate = False
If this.xrng.count = this.yrng.count Then validate = True
End Function
RefEdit1_Change should adjust the value of RefEdit2 such that it will show the reference to the column just next to it or better .offest(0,1) to it.
But that isn't what happens.. the value doesn't get changed. As soon as the User clicks into RefEdit2 if RefEdit1 has already been changed, the program aborts without error message. If you Cancle the UserForm I have also experienced hard crashes of excel. I have temporarily fixed the problem by rebuilding the UserForm from scratch and renaming the RefEdits. But at some point it reapeared. It seems as if it is an Excel/VBA inherent problem.
Does anybody know how to fix this?
Ugly hacks and workarounds are welcome, anything is better than, abort without error message.
you need to enclose Range(RefEdit1.Value).offset(0, 1).Parent.Name in ' so
="'" & Range(RefEdit1.Value).offset(0, 1).Parent.Name & "'!"

Excel VBA: Why does event trigger twice?

I'm trying to avoid Event loops by disabling Events at crucial points. However, it doesn't always work. For instance, this code for a Combo box:
Private Sub TempComboS_Change()
Dim e
e = Application.EnableEvents
Application.EnableEvents = False
'
Application.EnableEvents = e
End Sub
The blank line is where the useful code goes; as it stands it obviously doesn't do anything. However, when I run it this way (with the blank line), it reaches "End Sub", then it goes back to the beginning and runs again. (This would make the useful code run twice).
Why is this happening?
EDIT: To clarify for the folks who've been helping me.
I have a macro that opens the dropdown list of the Combo box, activates it, then ends. It works properly. When I select an item from the open list, the Change event runs. This is the current version of the change event:
Private Sub TempComboS_Change()
End Sub
I put a breakpoint on the Private Sub line. It shows that this Change event runs, then runs again. I suspect that it has been doing this all along, and I noticed it now because I need to add code here.
I have no class modules or userforms. The controls are on a worksheet.
I'm going to try the "Run Once" suggestion, and I'll let you know if it works.
I tried the "Run Once" code you suggested. It sort of works, but I seem to have a bigger issue. When I select a drop-down list from a data-validated cell, the TempComboS_Change event triggers -- but not only didn't I touch this combo box, the cell isn't the LinkedCell for the combo box. In other words, it seems to be triggering by actions unconnected to the combo box!
Got to find out about that Call Stack thing...
Here is a bit of code to help investigate "sequence of events" issues
In a Standard Module
Public Enum eNewLine
No
Before
After
Both
End Enum
Public Function timeStamp(Optional d As Double = 0, Optional newLine As eNewLine = No, Optional Indent As Long = 0, _
Optional Caller As String, Optional Context As String, Optional message As String) As String
Dim errorMessage As String
If Err.number <> 0 Then
errorMessage = "ERROR: " & Err.number & ": " & Err.Description
Err.Clear
End If
If d = 0 Then d = Time
With Application.WorksheetFunction
timeStamp = .Text(Hour(d), "00") & ":" & .Text(Minute(d), "00") & ":" & .Text(Second(d), "00") & ":" & .rept(Chr(9), Indent)
End With
If Len(Caller) <> 0 Then timeStamp = timeStamp & Chr(9) & Caller
If Len(Context) <> 0 Then timeStamp = timeStamp & ": " & Chr(9) & Context
If Len(message) <> 0 Then timeStamp = timeStamp & ": " & Chr(9) & message
Select Case newLine
Case Before
timeStamp = Chr(10) & timeStamp
Case After
timeStamp = timeStamp & Chr(10)
Case Both
timeStamp = Chr(10) & timeStamp & Chr(10)
Case Else
End Select
If Len(errorMessage) <> 0 Then
timeStamp = timeStamp & Chr(9) & errorMessage
End If
End Function
At the top of each Module
'Module level Trace Hearder
Const debugEvents as Boolean = True
Const cModuleName As String = "myModuleName"
Const cModuleIndent As Long = 1
You can assign a module level indent for each module to organise the hierarchy an make it easy to understand.
In each Sub or Function (or property if you need)...
sub mySubName()
Const cMyName As String = "mySubName"
If debugEvents Then Debug.Print timeStamp(NewLine:=Before,Indent:=cModuleIndent, Caller:=cModuleName, Context:=cMyName, Message:="Start")
'Do stuff
If debugEvents Then Debug.Print timeStamp(NewLine:=After,Indent:=cModuleIndent, Caller:=cModuleName, Context:=cMyName, Message:="End")
End Sub
...Or you can use Me.Name for the Context if its a form or a sheet etc. and you can put whatever message or variable values you like in the Message.
You can also use a Timer (eg MicroTimer) and put the result in the Message section.
Here is an example output:
15:54:07: Roll-Up Select: Worksheet_Activate: Start: 3.24591834214516E-03
15:54:07: cDataViewSheet: Class_Initialize: Start
15:54:07: cRevealTarget: Class_Initialize: START
15:54:07: cRevealTarget: Class_Initialize: END
15:54:09: cDataViewSheet: startTimer: : START
15:54:09: cDataViewSheet: startTimer: init Timer
15:54:09: cOnTime: Class_Initialize
15:54:09: cOnTime: Let PulseTime: Inheret PulseTime from host sheet
15:54:09: cDataViewSheet: startTimer: : END
15:54:09: Roll-Up Select: Worksheet_Activate: END: 1.38736216780671
Private Sub cmbOrder_Change()
If cmbOrder = "" Then Exit Sub
Dim arr As Variant, maxorder As Integer
arr = Range("rngOrder")
maxorder = WorksheetFunction.Max(arr)
Dim errmsg As String, err As Boolean
err = False
errmsg = "This value must be a whole number between 1 and " & maxorder + 1
Dim v As Variant
v = cmbOrder.Value
If IsNumeric(v) = False Or (IsNumeric(v) = True And (v > maxorder + 1) Or v < 1)
Then
MsgBox errmsg
cmbOrder = ""
err = False
Else
txtOrder.Value = cmbOrder.Value
End If
End Sub
A bit late to the party but the problem of code repetition can be shown here in similar circumstances. Remove the first line of code and any error messages are dished out twice. This is because of the line that clears the ComboBox that is regarded as a change and picks up another error as null input is an error! May help someone with similar issue.
The Combobox_Change() will fire whenever there is a change in the combobox. For example
Option Explicit
Private Sub UserForm_Initialize()
ComboBox1.AddItem "Bah Blah"
End Sub
Private Sub CommandButton1_Click()
'~~> If something is selected in the combo then
'~~> this line will cause ComboBox1_Change to fire
ComboBox1.Clear
End Sub
Private Sub ComboBox1_Change()
MsgBox "A"
End Sub
So if you load the userform and select an item ComboBox1_Change will fire. You then use the commanbutton to clear the combo the ComboBox1_Change will again fire.
There is one more scenario when the change will again fire. When you change the combobox from the ComboBox1_Change event itself. Here is an example. And I believe this is what is happening in your case.
Scenario 1
Private Sub UserForm_Initialize()
ComboBox1.AddItem "Bah Blah"
End Sub
Private Sub ComboBox1_Change()
MsgBox "A"
ComboBox1.Clear
End Sub
Scenario 2
Private Sub UserForm_Initialize()
ComboBox1.AddItem "Bah Blah"
ComboBox1.AddItem "Bah Blah Blah"
End Sub
Private Sub ComboBox1_Change()
MsgBox "A"
ComboBox1.ListIndex = 1
End Sub
In the first scenario you can getaway with
Private Sub UserForm_Initialize()
ComboBox1.AddItem "Bah Blah"
End Sub
Private Sub ComboBox1_Change()
If ComboBox1 <> "" Then
MsgBox "A"
End If
End Sub
In the 2nd Scenario, you can use something like this
Dim boolRunOnce As Boolean
Private Sub UserForm_Initialize()
ComboBox1.AddItem "Bah Blah"
ComboBox1.AddItem "Bah Blah Blah"
End Sub
Private Sub ComboBox1_Change()
If boolRunOnce = False Then
MsgBox "A"
boolRunOnce = True
ComboBox1.ListIndex = 1
Else
boolRunOnce = False
End If
End Sub

Input Box Error Handling

I am having trouble handling the error associated with a input box "Cancel" click. Or in otherwords, it returns an error within the sub if the value of the input is null. I have tried looking around and still can't seem to get it quite right. Here is my attempt:
Private Sub bttnSavingsExpected_Click()
Dim expected() As String
Dim nPeriods As Integer
Dim counter As Integer
Dim savings As Single
With ActiveSheet.Range("A13")
nPeriods = Range(.Offset(1, 0), .End(xlDown)).Rows.Count
End With
ReDim expected(1 To nPeriods)
counter = 1
For counter = 1 To nPeriods
expected(counter) = Range("A13").Offset(counter, 0).Value
Next
TryAgain:
On Error GoTo ErrH
counter = 1
For counter = 1 To nPeriods
savings = InputBox("How much savings do you expect from " & expected(counter) & "?", "Savings?", Range("A13").Offset(counter, 1).Value)
If savings = "" Then
Exit Sub
Else
Range("A13").Offset(counter, 1).Value = savings
End If
Next
Exit Sub
ErrH:
MsgBox "Please enter value. If the default value is desired then please click 'OK'.", vbOKOnly, "Do Not Click Cancel"
GoTo TryAgain
End Sub
With this attempt, the MsgBox is displayed the first click whether there is a input or not and even if I click "Ok". The second try of clicking "OK" or "Cancel" leads to being kicked back to the editor.
You've got Dim savings As Single and If savings = "" Then. Thats always going to error
Try using Dim savings As Variant
Make sure the variable for the Inbox is set at "", then test the value for False. Much easier than anything else I have seen:
Sub WolfPackURL_input()
Dim TheURL As String
Dim SaveURL As Hyperlink
Set savedURL = Sheets("Data").Range("I1")
TheURL = ""
TheURL = Application.InputBox("Input the Sign-Up URL", "Wolfpack Weekly Players URL", "http://something", 1)
If TheURL = "False" Then
Exit Sub
End If
ThisWorkbook.Worksheets("Data").Activate
Sheets("Data").Range("I1").Hyperlinks.Delete
Sheets("Data").Range("I1").ClearContents
Sheets("Data").Range("I1").Clear
ActiveSheet.Hyperlinks.Add anchor:=Sheets("Data").Range("I1"), Address:=TheURL, ScreenTip:="Open file", TextToDisplay:=TheURL
End Sub

Excel VBA Textbox resets to 0 when i press a button

i have a userform with 2 textboxes, 2 labels and a log in button.
On my excel sheet i have a sort of database with id, name, pin and balance.
the problem is whenever i click the login button my ID textbox resets its value to 0, but my pin textbox works fine!
i will paste my complete code:
Dim ID As Integer
Dim PIN As Integer
Dim PINField As String
Dim Balance As Double
Dim Attempts As Integer
Dim BalanceField As String
Private Sub btnLogin_Click()
txtID.Text = ID
Call SetId
Call Authenticate
End Sub
Sub Authenticate()
If txtPin.Text = PIN Then
Call Welcome
ElseIf Attempts > 3 Then
Call Bye
Else
lblWelcome.Caption = "Wrong Pin"
lblWelcome.ForeColor = RGB(255, 0, 0)
Attempts = Attempts + 1
End If
End Sub
Sub SetId()
PINField = "C" & Str(ID)
PINField = Replace(PINField, " ", "")
MsgBox (PINField)
BalanceField = "D" & Str(ID)
BalanceField = Replace(BalanceField, " ", "")
MsgBox (BalanceField)
End Sub
Sub Welcome()
MsgBox ("Login Successful. Welcome")
End Sub
Sub Bye()
MsgBox ("Max Pin Attempts reached. Contact Your Bank")
Unload frmLogin
End Sub
The reason it does this is because you are using a variable which has no value. Since it is an Integer it returns 0.
I'm guessing you probably actually want to have ID = txtID.Text - that is, take the value of the txtID textbox and store the value in the ID variable.
This will probably error though because the Text property of a textbox is a String. You will need to use ID = CInt(txtID.Text). You should also do some checking to make sure that txtID.Text evaluates to an Integer before assignment.
Please make sure there's no reset for the txtID anywhere in the code that you have not shown here. Looking at your code, it doesn't say anything how you are setting values to either ID or PIN... You said it's working fine for PIN, so it makes me very curious...
It could be the case Nick pointed out given this is a Form with textboxes allowing people to enter ID and PIN.. And then you are comparing it against PIN. But what are you comparing against? As you said you have a database kind of a structure in the sheet. You need to assing ID and PIN using it.
Here is the visualization I have for your Sheet, which is my best blind guess:
User needs to enter a value via the Form into txtID. That number is infact the cell number for column C which contains the relevant PIN. Then you compare that PIN with the txtPIN value. Next return the balance from column D based on that PIN.
Try this:
Private Sub btnLogin_Click()
If txtID.Text <> "" Or txtID.value > 0 or txtPIN.Text <> "" Then
ID = CInt(txtID.Text)
Call SetID
Call Authentication
Else
MsgBox "ID and PIN" can't be empty!"
End If
End Sub
Sub Authenticate()
If CInt(txtPin.Text) = PIN Then '-- here
Call Welcome
'-- idealy Blance can be shown at this point...
ElseIf Attempts > 3 Then
Call Bye
Else
lblWelcome.Caption = "Wrong Pin"
lblWelcome.ForeColor = RGB(255, 0, 0)
Attempts = Attempts + 1
End If
End Sub
Sub SetId()
PIN = CInt(Trim(Sheets(1).Range("C" & ID).value))
'-- NOT sure why you are showing this PIN here since you want to authenticate...?
MsgBox PIN
BalanceField = Sheets(1).Range("D" & ID).value
BalanceField = Trim(BalanceField) '--here
'-- doesn't make sense to show Balance before authentication...
MsgBox BalanceField
End Sub
Trim is clearner and faster than Replace..

Is it possible to increase the 256 character limit in excel validation drop down boxes?

I am creating the validation dynamically and have hit a 256 character limit. My validation looks something like this:
Level 1, Level 2, Level 3, Level 4.....
Is there any way to get around the character limit other then pointing at a range?
The validation is already being produced in VBA. Increasing the limit is the easiest way to avoid any impact on how the sheet currently works.
I'm pretty sure there is no way around the 256 character limit, Joel Spolsky explains why here: http://www.joelonsoftware.com/printerFriendly/articles/fog0000000319.html.
You could however use VBA to get close to replicating the functionality of the built in validation by coding the Worksheet_Change event. Here's a mock up to give you the idea. You will probably want to refactor it to cache the ValidValues, handle changes to ranges of cells, etc...
Private Sub Worksheet_Change(ByVal Target As Range)
Dim ValidationRange As Excel.Range
Dim ValidValues(1 To 100) As String
Dim Index As Integer
Dim Valid As Boolean
Dim Msg As String
Dim WhatToDo As VbMsgBoxResult
'Initialise ValidationRange
Set ValidationRange = Sheet1.Range("A:A")
' Check if change is in a cell we need to validate
If Not Intersect(Target, ValidationRange) Is Nothing Then
' Populate ValidValues array
For Index = 1 To 100
ValidValues(Index) = "Level " & Index
Next
' do the validation, permit blank values
If IsEmpty(Target) Then
Valid = True
Else
Valid = False
For Index = 1 To 100
If Target.Value = ValidValues(Index) Then
' found match to valid value
Valid = True
Exit For
End If
Next
End If
If Not Valid Then
Target.Select
' tell user value isn't valid
Msg = _
"The value you entered is not valid" & vbCrLf & vbCrLf & _
"A user has restricted values that can be entered into this cell."
WhatToDo = MsgBox(Msg, vbRetryCancel + vbCritical, "Microsoft Excel")
Target.Value = ""
If WhatToDo = vbRetry Then
Application.SendKeys "{F2}"
End If
End If
End If
End Sub

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