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6.2

Checking if DB field is empty

Asked by mazgwembe in Active Server Pages (ASP)

I have an asp page that displays info from an access DB. One of the fields in the database (rationale column) contains some text. I'm having trouble figuring out how to check if the rationale field (rsProposals.fields.item("Rationale").value) contains any thing - i.e. if it's empty/null. When I use:

<td><div align="center"><font size="-1" face="Arial, Helvetica, sans-serif">
<% Response.Write (rsProposals.Fields.Item("Rationale").Value) %></font></div></td>

the rationale text/value shows up fine in my asp page.

The problem comes in when I try to check whether the rationale field contains anything, in order to change the color of the value displayed from the proposal column. This is how I do it:

<td><font size="-1" face="Arial, Helvetica, sans-serif">
      <%
      if isNull(rsProposals.fields.item("Rationale").value) then
       Response.Write "<font color=""#009A76""> "& (rsProposals.Fields.Item("Proposal").Value) &" </font>"
      else
       Response.Write "<font color=""#FF0000""> "& (rsProposals.Fields.Item("Proposal").Value) &" </font>"
       end if
      %>
</font></td>

(All code examples are in a repeat region)

What happens when I do this checking is that the value of the rationale field does not get displayed now. In the HTML table on the asp page, the proposal field comes before the rationale field - if this makes any difference.

Is there any reason why the rationale text/value would fail to show up if I used ISNULL to check it's value when displaying the contents of the proposal field. Same thing happens when I use ISEMPTY. Is there a way around this - or another way to check if a field is empty? Thanks!

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Checking if DB field is empty

Asked by mazgwembe in Active Server Pages (ASP)

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