JamesDeckertthank you very much for the video. Its now clear to me how to manipulate the collumn properties of a combobox.
But unfortunatelly my issue remains. let me show you in some pics a part of my issue.
The field 1 search on the combobox 1
If i search for the term "CLUB" that I know exist on the collumn returns nothing
If i search for the term "8" that I know is the ID of Ermionis Club returns the following:
The code that I am using to perform the search when the filter button is pressed is the following as given to the allan browne site http://allenbrowne.com/ser-62.html:
Code:
'Purpose: This module illustrates how to create a search form, _ where the user can enter as many or few criteria as they wish, _
and results are shown one per line.
'Note: Only records matching ALL of the criteria are returned.
'Author: Allen Browne (allen@allenbrowne.com), June 2006.
Option Compare Database
Option Explicit
Private Sub cmdFilter_Click()
'Purpose: Build up the criteria string form the non-blank search boxes, and apply to the form's Filter.
'Notes: 1. We tack " AND " on the end of each condition so you can easily add more search boxes; _
we remove the trailing " AND " at the end.
' 2. The date range works like this: _
Both dates = only dates between (both inclusive. _
Start date only = all dates from this one onwards; _
End date only = all dates up to (and including this one).
Dim strWhere As String 'The criteria string.
Dim lngLen As Long 'Length of the criteria string to append to.
Const conJetDate = "\#dd\/mm\/yyyy\#" 'The format expected for dates in a JET query string.
'***********************************************************************
'Look at each search box, and build up the criteria string from the non-blank ones.
'***********************************************************************
'Text field example. Use quotes around the value in the string.
'Another text field example. Use Like to find anywhere in the field.
If Not IsNull(Me.txt1) Then
strWhere = strWhere & "([1] Like ""*" & Me.1 & "*"") AND "
End If
'***********************************************************************
'Chop off the trailing " AND ", and use the string as the form's Filter.
'***********************************************************************
'See if the string has more than 5 characters (a trailng " AND ") to remove.
lngLen = Len(strWhere) - 5
If lngLen <= 0 Then 'Nah: there was nothing in the string.
MsgBox "Δεν Υπάρχουν Κριτήρια Αναζήτησης", vbInformation, "Nothing to do."
Else 'Yep: there is something there, so remove the " AND " at the end.
strWhere = Left$(strWhere, lngLen)
'For debugging, remove the leading quote on the next line. Prints to Immediate Window (Ctrl+G).
'Debug.Print strWhere
'Finally, apply the string as the form's Filter.
Me.Filter = strWhere
Me.FilterOn = True
End If
End Sub
Private Sub cmdReset_Click()
'Purpose: Clear all the search boxes in the Form Header, and show all records again.
Dim ctl As Control
'Clear all the controls in the Form Header section.
For Each ctl In Me.Section(acHeader).Controls
Select Case ctl.ControlType
Case acTextBox, acComboBox
ctl.Value = Null
Case acCheckBox
ctl.Value = False
End Select
Next
'Remove the form's filter.
Me.FilterOn = False
End Sub
Private Sub Form_BeforeInsert(Cancel As Integer)
'To avoid problems if the filter returns no records, we did not set its AllowAdditions to No.
'We prevent new records by cancelling the form's BeforeInsert event instead.
'The problems are explained at http://allenbrowne.com/bug-06.html
Cancel = True
MsgBox "You cannot add new clients to the search form.", vbInformation, "Permission denied."
End Sub
Private Sub Form_Open(Cancel As Integer)
'Remove the single quote from these lines if you want to initially show no records.
'Me.Filter = "(False)"
'Me.FilterOn = True
End Sub
Windows 10 
Access 2016
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