Question

When is End If not necessary?

Asked by: net_susan

I have the following code that works without the end if statements. Why does it work without it, and should I have it in anyway? It's in the middle of a different loop.

If rstemp("SomeNumber")="1" then Response.write "Some Message 1"
If rstemp("SomeNumber")="2" then Response.write "Some Message 2"
If rstemp("SomeNumber")="3" then Response.write "Some Message 3"
If rstemp("SomeNumber")="4" then Response.write "Some Message 3"
If rstemp("SomeNumber")="5" then Response.write "Some Message 5"

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Asked On
2005-04-27 at 09:48:21ID21404599
Tags

end

,

necessary

,

code

Topic

Active Server Pages (ASP)

Participating Experts
4
Points
500
Comments
9

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Answers

 

by: leewPosted on 2005-04-27 at 09:50:23ID: 13878183



End if is not necessary if your "then" instructions are on the same line:

For example - NOT Necessary:
If rstemp("SomeNumber")="1" then Response.write "Some Message 1"

For example - NECESSARY:
If rstemp("SomeNumber")="1" then
    Response.write "Some Message 1"
End If

 

by: leewPosted on 2005-04-27 at 09:51:18ID: 13878193

In fact, if you put an "End IF" after something like this:
If rstemp("SomeNumber")="1" then Response.write "Some Message 1"
I THINK you would get an error message.

 

by: ThaSmartUnoPosted on 2005-04-27 at 10:48:46ID: 13878671

similarly ... if you use an if like this it is necessary
blah blah blah <% If IsRegistered Then %> Hey you are registered! <% End If %> blah blah blah

however if you do
blah blah blah <% If IsRegistered Then Response.Write "Hey you are registered!" %> blah blah blah

End if is not needed


 

by: fritz_the_blankPosted on 2005-04-27 at 15:05:42ID: 13881147

Of course, I am old man grumpus and always want an END IF regardless of whether or not it is required. Should you want it all on one line, I think that you can do:

If something then : 'your code ; end if


ftB

 

by: fritz_the_blankPosted on 2005-04-27 at 15:07:50ID: 13881165

Select Case rstemp("SomeNumber")
      Case "1"
            Response.write "Some Message 1"
      Case "2"
            Response.write "Some Message 2"
      Case "3"
            Response.write "Some Message 3"
      Case "4"
            Response.write "Some Message 4"
      Case "5"
            Response.write "Some Message 5"
      Case Else
            Response.write("No number!")
End Select

 

by: Coolhand2120Posted on 2005-04-27 at 21:47:10ID: 13882889

I'm with old man fritz, end if is our friend, so is tabbing your formating.  It's not just pretty, it helps narrow down errors and makes it easier for other programmers to read your code.

If you're intent on making big bunches of single line code, you can always use the EXECUTE function in ASP.  Lots of fun there:

str = "IF 1>0 THEN:RESPONSE.WRITE ""WOOHOO LOGIC IS WORTHLESS!"":ELSE:RESPONSE.WRITE ""LOOKS LIKE EUCLID WAS RIGHT!"":END IF:RESPONSE.WRITE ""YOU CAN GO ON FOREVER"":"

execute(str)

: (colon) is the same as a real carrage return.


-Coolhand2120

Fritz is the all knowing oracle

 

by: fritz_the_blankPosted on 2005-04-28 at 06:17:34ID: 13885232

Oops! I wrote:

If something then : 'your code ; end if

Instead of:

If something then : 'your code : end if

>>Fritz is the all knowing oracle<<

Hardly! Many people don't know this, but I learned ASP here. My first question?  http://www.experts-exchange.com/Web/Web_Languages/ASP/Q_10752001.html


;-)

FtB

 

by: net_susanPosted on 2005-05-03 at 07:44:40ID: 13918361

Thanks!  And wow, Fritz, that's nice to know you started here.

 

by: fritz_the_blankPosted on 2005-05-03 at 07:49:24ID: 13918408

You have to start somewhere!

Good luck and always use end if!

FtB

20120131-EE-VQP-002

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