Question

Using Multiple Text Boxes to Filter a Subreport

Asked by: glwhatrup

I am new to writing code, but I have the follwing problem which I would like help with -

I have a form (frmSearchUSA) which contains four Unbound text boxes (txtState, txtCounty, txtCity and txtZip).

I then have a subreport on that form (subSearchUSA) which I would like to show results filtered by entries in those text boxes. I can get the subreport to show filtered results for a single filter criteria, using the following code in the after update event.

Private Sub txtState_AfterUpdate()

If Not IsNull(Me!txtState) Then
   Me!SubSearchUSA.Form.Filter = "[State] Like '*" & Me!txtState & "*'"
   Me!SubSearchUSA.Form.FilterOn = True
Else
   Me!SubSearchUSA.Form.FilterOn = False
   
End If

End Sub

What I need to know now is; how can I get it to search on any combination of criteria in the text boxes, including fields which need to be left blank?

If further information is required - let me know and I will supply.

Thanks

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Asked On
2005-04-03 at 07:51:42ID21374596
Tags

filter

,

form

,

subreport

Topic

Microsoft Access Database

Participating Experts
4
Points
500
Comments
5

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Answers

 

by: Jokra_the_BarbarianPosted on 2005-04-03 at 08:14:02ID: 13691871

Make one sub that is run for each of the unbound textbox afterupdate events. Eg:

Private Sub txtState_AfterUpdate()
  Call setFilterCrit()
End Sub

Private Sub txtCounty_AfterUpdate()
  Call setFilterCrit()
End Sub

Private Sub txtCity _AfterUpdate()
  Call setFilterCrit()
End Sub

Private Sub txtZip_AfterUpdate()
  Call setFilterCrit()
End Sub


Private Sub setFilterCrit()
  Dim crit as String
 
  crit = ""
  If Not IsNull(Me.txtState) then crit = "([State] Like '*" & Me.txtState & "*') AND"
  If Not IsNull(Me.txtCounty) then crit = "([County] Like '*" & Me.txtCounty& "*') AND"
  If Not IsNull(Me.txtCity ) then crit = "([City] Like '*" & Me.txtCity & "*') AND"
  If Not IsNull(Me.txtZip) then crit = "([Zip] Like '*" & Me.txtZip& "*') AND"

  If Len(crit) > 0 Then
     crit = Mid(crit,1,len(crit)-4)
     Me!SubSearchUSA.Form.Filter = crit
     Me!SubSearchUSA.Form.FilterOn = True
  Else
     Me!SubSearchUSA.Form.Filter = ""
     Me!SubSearchUSA.Form.FilterOn = False
  End If

End Sub





 

by: capricorn1Posted on 2005-04-03 at 08:23:46ID: 13691899

try this, create a sub

Sub ApplyFilter()
    Dim sFilter As String
    sFilter = ""
   
    If Me.txtState <> "" And Not IsNull(Me.txtState) Then
        If sFilter = "" Then
            sFilter = "[State] Like '*" & Me!txtState & "*'"
        Else
            sFilter = sFilter & " and [State] Like '*" & Me!txtState & "*'"
        End If
    End If
   
    If Me.txtCounty <> "" And Not IsNull(Me.txtCounty) Then
        If sFilter = "" Then
            sFilter = "[County] Like '*" & Me!txtCounty & "*'"
        Else
            sFilter = sFilter & " And [County] Like '*" & Me!txtCounty & "*'"
           
        End If
    End If
    If Me.txtCity <> "" And Not IsNull(Me.txtCity) Then
        If sFilter = "" Then
            sFilter = "[City] Like '*" & Me!txtCity & "*'"
        Else
            sFilter = sFilter & " And [City] Like '*" & Me!txtCity & "*'"
        End If
    End If
   
    If Me.txtZip <> "" And Not IsNull(Me.txtZip) Then
        If sFilter = "" Then
            sFilter = "[Zip] Like '*" & Me!txtZip & "*'"
        Else
            sFilter = sFilter & " And [Zip] Like '*" & Me!txtZip & "*'"
        End If
    End If  

    If Len(sFilter) > 0 Then    
    Me!SubSearchUSA.Form.Filter = sFilter
    Me!SubSearchUSA.Form.FilterOn = True  
    Else
      Me!SubSearchUSA.Form.Filter = ""
     Me!SubSearchUSA.Form.FilterOn = False
    End If
End Sub


then call the sub if the after update of eaxch text box

Private Sub txtstatel_AfterUpdate()
    ApplyFilter
End Sub

Private Sub txtcounty_AfterUpdate()
    ApplyFilter
End Sub

Private Sub txtcity_AfterUpdate()
    ApplyFilter
End Sub

Private Sub txtzip_AfterUpdate()
    ApplyFilter
End Sub


but i would prefer more the use of cascading combo boxes,

thus eliminating the typo error from entering the values.

 

by: shanesuebsahakarnPosted on 2005-04-03 at 08:50:52ID: 13691977

 

by: glwhatrupPosted on 2005-04-03 at 09:11:59ID: 13692048

Thanks for all your help - All sorted now!!

Jokra The Barbarian - This almost worked, except it didn't take into account all search critera eg if I entered New York in txtState and Kings in txtCounty it returned New York, Kings as well as Alabama, Kings. I needed it to return only those results that matched both criteria exactly. Thankyou for your help though.

Capricorn1 - this worked great. Thanks for this solution

Shanesuebsahakarn - Link was good - I looked at this, but as I am only a beginner it was a little too complex for me, and I couldn't relate it to my task, I may find it useful if I get better though! - Thankyou

Cheers Guys



 

by: sunnyone947Posted on 2008-08-31 at 00:21:38ID: 22354270

I copied the wrong code from the related question... click on the link and you will see this code:


Sub ApplyFilter()
    Dim sFilter As String
    sFilter = ""
   
    If Me.txtState <> "" And Not IsNull(Me.txtState) Then
        If sFilter = "" Then
            sFilter = "[State] Like '*" & Me!txtState & "*'"
        Else
            sFilter = sFilter & " and [State] Like '*" & Me!txtState & "*'"
        End If
    End If
   
    If Me.txtCounty <> "" And Not IsNull(Me.txtCounty) Then
        If sFilter = "" Then
            sFilter = "[County] Like '*" & Me!txtCounty & "*'"
        Else
            sFilter = sFilter & " And [County] Like '*" & Me!txtCounty & "*'"
           
        End If
    End If
    If Me.txtCity <> "" And Not IsNull(Me.txtCity) Then
        If sFilter = "" Then
            sFilter = "[City] Like '*" & Me!txtCity & "*'"
        Else
            sFilter = sFilter & " And [City] Like '*" & Me!txtCity & "*'"
        End If
    End If
   
    If Me.txtZip <> "" And Not IsNull(Me.txtZip) Then
        If sFilter = "" Then
            sFilter = "[Zip] Like '*" & Me!txtZip & "*'"
        Else
            sFilter = sFilter & " And [Zip] Like '*" & Me!txtZip & "*'"
        End If
    End If  

    If Len(sFilter) > 0 Then    
    Me!SubSearchUSA.Form.Filter = sFilter
    Me!SubSearchUSA.Form.FilterOn = True  
    Else
      Me!SubSearchUSA.Form.Filter = ""
     Me!SubSearchUSA.Form.FilterOn = False
    End If
End Sub

20120131-EE-VQP-002

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