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Need to do an SQL select statement in Classic ASP for a variable

Posted on 2012-03-22
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Last Modified: 2012-06-21
I need to replace a session variable with the results of an SQL statement
that statement essentially is:
SELECT EmailAddress FROM USERS WHERE UserID=session(userid)"

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My code is currently:
dim paypalnew as string = "SELECT EmailAddress FROM USERS WHERE UserID='"&session(userid)&"'"	
session("paypalemail")=paypalnew

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However I am getting an error at "as"

I tried doing paypalnew=thestring but it put it as straight text instead of being a SQL Statement.

This is my first real programming project, so i know that i am probably just missing some basics, but finding resources for classic ASP is very tough :/
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Question by:dashifire
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11 Comments
 
LVL 29

Expert Comment

by:Paul Jackson
ID: 37753965
There are no datatypes in VBA other then variants so all variables are just defined like

Dim myVariableName

and to set a value to it :

Set myVariableName = 'whatever'

so your code would become :

dim paypalnew 
set paypalnew = "SELECT EmailAddress FROM USERS WHERE UserID='"&session(userid)&"'"	
session("paypalemail")=paypalnew

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However you code will not achieve you desired result (as I understand it) of populating the session variable with the result of the query it will just populate it with the text.
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Author Comment

by:dashifire
ID: 37753989
that's what i need to know how to do, get the variable
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Expert Comment

by:Paul Jackson
ID: 37753997
Here is a good asp resource :  http://www.asptutorial.info/

Here is a resource for learning about how to use ADO for connecting to databases using asp :

http://www.w3schools.com/ado/default.asp
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LVL 29

Expert Comment

by:Paul Jackson
ID: 37754000
What kind of database are you using?
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Author Comment

by:dashifire
ID: 37754003
MS SQL
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Author Comment

by:dashifire
ID: 37754046
sweet resources btw.
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LVL 29

Expert Comment

by:Paul Jackson
ID: 37754073
Another nice tutorial here on how to use ado with asp to connect to a sql server database :

http://aspalliance.com/655_Basic_ADO_and_SQL_Tutorial.1
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Accepted Solution

by:
worthyking1 earned 500 total points
ID: 37760824
In VB you do not have to dim your vars unless you have Option Explicit ON. Personally I never use it. I just pay attention to my vars and make sure I don't use the same name twice.

Not sure how much code you have versus what you're showing us, but you're missing some  basics so here's how I would do it...

SQL_Conn_STRING = "Driver={SQL Server};Server=MyServerName;Database=MyDBName;uid=MyUsername;pwd=MyPassword"
Set Con = Server.CreateObject("Adodb.Connection")
Con.Open SQL_Conn_STRING

set rs  = Con.Execute("SELECT Top1 EmailAddress FROM USERS WHERE UserID='"&session("userid")&"'")	
If NOT rs.EOF then
      paypalnew = Trim(rs("EmailAddress"))
      session("paypalemail")=paypalnew
Else
      ' No user found with this UserID
End if

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Author Comment

by:dashifire
ID: 37760926
Thanks when I get a shot next I will try this. I do have option explicit on though, not my idea, but working with it anyway.
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LVL 6

Expert Comment

by:worthyking1
ID: 37761160
Then just make sure to dim all your variables first before you use them.
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Author Comment

by:dashifire
ID: 37772185
That was perfect, the tutorials are terrific, but they don't tell me what is a variable and i was getting confused. I got it up and running now, so it is all good! Thanks Guys!
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