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Microsoft MVP

 

How to limit columns using ASP

 
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All Forums >> Web Development >> ASP and Database >> How to limit columns using ASP
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How to limit columns using ASP - 3/9/2001 20:40:00   
I am creating a web page using asp, not DRW, and my result show every column. How can I limit the results to only the columns that I want to show?
Spooky

 

Posts: 26603
Joined: 11/11/1998
From: Middle Earth
Status: offline

 
RE: How to limit columns using ASP - 3/9/2001 14:32:00   
In your SQL query, you restrict the data returned to only that required.

So instead of "Select * from" you would "select column1,column2 from"

Now when you display the data, instead of using html (and the database result) to display every column, you only show those from the record set.

Do you have a code you are using?

------------------
Spooky
"I am Spooky of Borg. Prepare to be assimilated, babycakes!"
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(in reply to Guest)
Guest


 
RE: How to limit columns using ASP - 3/9/2001 15:25:00   
Here is the code that I am working with:

<FORM action="2726-09-RSMeth-TIO-05-DeleteConfirm.asp" method=POST id=form1 name=form1>
Class Name <input type=text name="ClassName">
<input type=submit>
</FORM>

<%
'Read list to user (this could be done in a list box)
dim oRS
set oRS=server.CreateObject("adodb.recordset")
oRS.Open "BoatClass", "DSN=Sailors",adOpenDynamic,adLockBatchOptimistic
Response.Write "List of all classes"
Response.Write "<table border=1><TR>"
Response.Write "<th>ID</th><th>Name</th><th>Length</th>"
Response.Write "<th>Weight</th><th>Date Entered</th>"
Response.Write "</tr><td>"
Response.write oRS.GetString(adClipString,,"</td><td>","</td></tr><tr><td>"," ")
Response.Write "<table border=1>"
Response.Write "</table></TD></TR>"
%>


(in reply to Guest)
Spooky

 

Posts: 26603
Joined: 11/11/1998
From: Middle Earth
Status: offline

 
RE: How to limit columns using ASP - 3/9/2001 16:08:00   
Ahh.. WROX Begining databases huh?

Try :
sSQL = "Select [column],[column] from BoatClass"
set oRS=server.CreateObject("adodb.recordset")
oRS.Open sSQL , "DSN=Sailors",adOpenDynamic,adLockBatchOptimistic

etc

With getstring, unless you want to format the rows differently (or use getrows) you only ask for the column names you need in the SQL string.

The previous database call, was opening the table and returning all reults.

If you specify the [column name] in the SQL string, itll only return those columns.

You then neednt worry about the display line:
Response.write oRS.GetString(adClipString,,"</td><td>","</td></tr><tr><td>"," ")

------------------
Spooky
"I am Spooky of Borg. Prepare to be assimilated, babycakes!"
Subscribe to OutFront News
Database / DRW Q & A
The Spooky Login!


(in reply to Guest)
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