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Subject:
Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
Category: Computers > Programming Asked by: pcwebman-ga List Price: $40.00 |
Posted:
30 Jun 2006 11:08 PDT
Expires: 30 Jul 2006 11:08 PDT Question ID: 742372 |
We are building a website in standard ASP for a client and have hit a snag. At their request, we are using SQL Server 2005 Express (free edition) and have found strange things with large text fields. Typically we have a number of fields where the content is HTML code and some go over the 8000 char limit of a standard varchar field. If we use a 'text' type field we can display it fine but if we try to put too much (which is not really all that much)into it when saving from a form then it throws an error warning of possible truncation and will not continue, so this is no good. If we use the new varchar(MAX) field, we can do everything EXCEPT display it. We are displaying with a standard <%=rs("newsletter_text")%> (for example) just like any other field. Have tried assigning to a variable first. Nothing works. We have this problem on all three of the servers (all Win 2003) which we have tried. We can find nothing to help on the web. Our deadline is upon us and we can't get round this tiny little problem. Anyone out there know the answer for us? Is there a setting we have to change? Is there a trick we have to learn? Help!! |
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There is no answer at this time. |
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Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
From: pmmbala1976-ga on 30 Jun 2006 11:53 PDT |
Hi Try to reduce the No of charactes length to 100 into that field and check it out is it working or not. bala |
Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
From: pcwebman-ga on 01 Jul 2006 04:14 PDT |
Thanks bala - sorry for delay - I expected an email to tell me of activity! I'm new to this. I have tried this and it still doesn't display. Very odd PCWebman |
Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
From: frankcorrao-ga on 03 Jul 2006 07:58 PDT |
does it actually store correctly in the database? I mean if you just look at it with a sql query, does it come back correctly? |
Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
From: pcwebman-ga on 14 Jul 2006 03:51 PDT |
I am really bad at keeping up with this because it doesn't email me frankcorrao-ga - if you are still out there. Yes, it comes back correctly if I run a query in the Database Management Tool, whether the field is 'text' or 'varchar(MAX)' - just not on the web when I try to Response.Write it. Any more ideas? Anyone? |
Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using A
From: kirkatsfw-ga on 14 Jul 2006 15:18 PDT |
I have tried the same setup: pulling data from a varchar(max) in a SQL Server database into an ASP page. The result is no data. If you test for whether the field was empty, test comes back negative (not empty). If I change the varchar(max) to a varchar(8000) it works fine. After some testing I found there are no SQL Server 2005 data types that can be read by an ASP page that hold more than 8000 characters. I speculate that the 2-byte field length indicator is not read by ASP. Maybe the field length of the old Access memo data type was encoded differently. You can't fix the problem by casting to string with CStr. You can't fix it by taking the first n characters of the field with a Mid function. The data simply is not read into your rs.Fields.Item("longdata"). I think it's a backward-compatibility dead end. That leaves work-arounds. An Iframe containing a .NET page that pulls up your content properly might work if you know ahead of time the size of the Iframe. Maybe you could redirect to a .NET page that grabs your data and sends it back as form data. Simply including a .NET page in the ASP file won't work because each type is processed differently. You cannot send Session variables between ASP and .NET pages either. In the end, it's probably easier to convert your ASP pages to .NET and avoid the whole problem. Good luck and please email me if you find a workaround. |
Subject:
Re: Why does a varchar(MAX) field in SQL Server 2005 Express not display using ASP?
From: mrdenny1-ga on 28 Jul 2006 20:50 PDT |
Try making the varchar(max) field the last field in the select statement. It's a stupid fix, but I've seen it fix this problem with text fields. Instead of select id, textfield, somethingelse change it to select id, somethingelse, textfield |
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