Question

IF, THEN, ELSE working intermittently in Classic ASP

Asked by: LZ1

Hey Experts!!

I have a classic ASP application which I have written about prior. My related solution is posted below as well. I've determined that I need to filter the the information client-side.
I'm at my witt's end with this thing and we will be switching over to a normalized DB and PHP soon. But for now I have to get this working.

The major problem is that this code works on some variables but not others. I can't figure it out. When contact_CatSub_id is present or not equal to 0 then I want it to show the values of contact_first and contact_last columns. However, if it's not, then I want it to check the other 3 columns. Once it comes across a value, it should display the table data. This is only happening with one account. Please help!

http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/ASP/Q_24832671.html

*****SQL*******
SELECT DISTINCT Client.CatSub_id, contacts.contact_first, contacts.contact_last, contacts.contact2_first, contacts.contact2_last, contacts.contact3_first, contacts.contact3_last, contacts.contact4_first, contacts.contact4_last, contacts.contact_CatSub_id, contacts.contact2_CatSub_id, contacts.contact3_CatSub_id, contacts.contact4_CatSub_id
FROM (Contacts RIGHT JOIN Client ON Contacts.ACT_No=Client.ACT_no) LEFT JOIN Cat_Sub ON Client.CatSub_id=Cat_Sub.CatSub_id
WHERE cat_sub.catsub_id=MMColParam GROUP BY Client.CatSub_id, contacts.contact_first, contacts.contact_last, contacts.contact2_first, contacts.contact2_last, contacts.contact3_first, contacts.contact3_last, contacts.contact4_first, contacts.contact4_last, contacts.contact_CatSub_id, contacts.contact2_CatSub_id, contacts.contact3_CatSub_id, contacts.contact4_CatSub_id;
***asp****
    <%  If (rs_main.Fields.Item("contact_CatSub_id").Value) <> 0 Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact_first").Value)%> &nbsp; <%=(rs_main.Fields.Item("contact_last").Value)%>
  <% ElseIF  (rs_main.Fields.Item("contact2_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contacts.contact2_first").Value)%> &nbsp; <%=(rs_main.Fields.Item("contacts.contact2_last").Value)%>
  <% ElseIF  (rs_main.Fields.Item("contact3_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact3_first").Value)%> &nbsp; <%=(rs_main.Fields.Item("contact3_last").Value)%>
  <% ElseIF  (rs_main.Fields.Item("contact4_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact4_first").Value)%> &nbsp; <%=(rs_main.Fields.Item("contact4_last").Value)%>
  <%Else %>
    n/a
  <%  End If%>

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Asked On: 2009-10-26 at 17:12:00ID24845722
Tags: asp
Topic: Active Server Pages (ASP)
Participating Experts: 3
Points: 500
Comments: 14

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Answers

by: DanielWilsonPosted on 2009-10-26 at 17:30:39ID: 25668353

Might some of the values be NULL? You need to check for null before checking/comparing field values.

Makes for some ugly VBScript ...

by: LZ1Posted on 2009-10-26 at 18:47:51ID: 25668600

If one of the columns contain a numeric value the rest are null:

Ex)

contact_catSub_id = 123

contact2_catSub_id = null

contact3_catSub_id = null

contact4_catSub_id = null

Even in the one example that works, this is how the DB is.

Suggestions?

by: neeraj523Posted on 2009-10-26 at 23:21:24ID: 25669488

replace
<% If (rs_main.Fields.Item("contact_CatSub_id").Value) <> 0 Then%>
with
<% If (rs_main.Fields.Item("contact_CatSub_id").Value) <> "0" AND (rs_main.Fields.Item("contact_CatSub_id").Value & "") <> "" Then%>

by: LZ1Posted on 2009-10-27 at 06:03:05ID: 25671889

@neeraj523: Still nothing. Same result. Works on the sample account but not a real one. Nothing different between the two as I just exported to Excel and checked. The rest of the columns it's checking (as in the previous post) are completely null.

by: neeraj523Posted on 2009-10-27 at 06:06:37ID: 25671926

can u try to print output rs_main.Fields.Item("contact_CatSub_id").Value and post it here ?

by: LZ1Posted on 2009-10-27 at 06:19:13ID: 25672050

It will show my sample # 673 for that value. If I try anything else I get nothing. This SQL works in Access flawlessly. However, when I use Dreamweaver's SQL test function it is showing a repeat of the recordset even though I am asking for Distinct values.

by: DanielWilsonPosted on 2009-11-02 at 05:59:32ID: 25719284

please try this:

    <%  If not isnull(rs_main.Fields.Item("contact_CatSub_id"))  Then
          if (rs_main.Fields.Item("contact_CatSub_id").Value) <> 0%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact_first").Value)%>   <%=(rs_main.Fields.Item("contact_last").Value)%>
  <%       End IF
      ElseIF  not isnull(rs_main.Fields.Item("contact2_CatSub_id")) and not isnull (rs_contact.Fields.Item("Cat_Sub.CatSub_id")) Then
           IF (rs_main.Fields.Item("contact2_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contacts.contact2_first").Value)%>   <%=(rs_main.Fields.Item("contacts.contact2_last").Value)%>
  <%       End if
     ElseIF  not isnull(rs_main.Fields.Item("contact3_CatSub_id")) and not isnull(rs_contact.Fields.Item("Cat_Sub.CatSub_id")) Then
           if (rs_main.Fields.Item("contact3_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact3_first").Value)%>   <%=(rs_main.Fields.Item("contact3_last").Value)%>
  <% End If
     ElseIF  (rs_main.Fields.Item("contact4_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact4_first").Value)%>   <%=(rs_main.Fields.Item("contact4_last").Value)%>
  <%Else %>
    n/a
  <%  End If%>

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by: LZ1Posted on 2009-11-02 at 18:25:19ID: 25725626

Comes back with the following error:

Microsoft VBScript compilation error '800a03f9'
Expected 'Then'
/results_category3.asp, line 494 if (rs_main.Fields.Item("contact_CatSub_id").Value) <> 0

by: b0lsc0ttPosted on 2009-11-03 at 22:05:03ID: 25736791

That line starts with an If and thus needs a "Then" on the end. In the expert's post it seems to be line 2 but your error shows what line it is in the code.

Let us know how that helps but that should be a quick fix for the error.

bol

by: LZ1Posted on 2009-11-06 at 10:51:51ID: 25761895

Still the same thing.

by: DanielWilsonPosted on 2009-11-07 at 06:01:47ID: 25766353

b0lsc0tt is right. I missed a THEN.

This version should not produce that same error.

    <%  If not isnull(rs_main.Fields.Item("contact_CatSub_id"))  Then
          if (rs_main.Fields.Item("contact_CatSub_id").Value) <> 0 Then %>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact_first").Value)%>   <%=(rs_main.Fields.Item("contact_last").Value)%>
  <%       End IF
      ElseIF  not isnull(rs_main.Fields.Item("contact2_CatSub_id")) and not isnull (rs_contact.Fields.Item("Cat_Sub.CatSub_id")) Then
           IF (rs_main.Fields.Item("contact2_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contacts.contact2_first").Value)%>   <%=(rs_main.Fields.Item("contacts.contact2_last").Value)%>
  <%       End if
     ElseIF  not isnull(rs_main.Fields.Item("contact3_CatSub_id")) and not isnull(rs_contact.Fields.Item("Cat_Sub.CatSub_id")) Then
           if (rs_main.Fields.Item("contact3_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact3_first").Value)%>   <%=(rs_main.Fields.Item("contact3_last").Value)%>
  <% End If
     ElseIF  (rs_main.Fields.Item("contact4_CatSub_id").Value) = (rs_contact.Fields.Item("Cat_Sub.CatSub_id").Value) Then%>
    The main contact for the district is: <%=(rs_main.Fields.Item("contact4_first").Value)%>   <%=(rs_main.Fields.Item("contact4_last").Value)%>
  <%Else %>
    n/a
  <%  End If%>

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by: b0lsc0ttPosted on 2009-11-09 at 09:29:48ID: 25778016

If for some reason you still get the same error then something else is missing one earlier in the code (possibly). It really is a very specific message and related to a missing Then in an If line. I saw no other problems and would think, if you are still getting the error, the problem is in fixing the code so please double check the page you run.

If you still have a problem or question please let us know but provide a little more response than "same thing." :)

bol

by: DanielWilsonPosted on 2009-11-17 at 16:56:30ID: 25845878

LZ1, did we get you a solution?

by: LZ1Posted on 2009-12-03 at 16:46:06ID: 31646223

Thanks guys. I had to adjust a few things. But it works now.

20120131-EE-VQP-002

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IF, THEN, ELSE working intermittently in Classic ASP

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