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asptoday_discuss thread: Reducing field length upon retrieval ...


Message #1 by "Paul" <jacobspd@g...> on Fri, 16 Nov 2001 21:25:03
Hi all,



I have a query...  I am displaying within my browser a URL address that 

can be extremely long.  What I would like to do is shorten the returned 

field e.g. "http://dailynews.yahoo.com/fc/Business/Aviation_Safety/" to 

something like "http://dailynews.yahoo.co..." placing the "..." 3 dots at 

the end to signify that it has been shortened...  Is there a piece of 

visual basic code that could be incorporated into my code.  The reason I 

need this is that I don't know what a certain user may enter and it 

destroys the formatting of the table because there are no spaces within 

the address...



Here is my code page:

*****************************



<html>



<head>

<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">

<meta http-equiv="Content-Language" content="es-mx">

<meta name="GENERATOR" content="Microsoft FrontPage 5.0">

<meta name="ProgId" content="FrontPage.Editor.Document">

<link rel="stylesheet" type="text/css" href="css/styles.css">

<title>Favorites Order A-Z</title>

</head>



<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0" marginwidth="0" 

marginheight="0" text="#000000" style="background-color: #FFFFFF">



<%

Dim oRSbt

Dim VarUser

VarUser = Session("GifsaUser")



Set oRSbt=Server.CreateObject("ADODB.recordset")

sqltext = "SELECT URLname, URL" _

	    & " FROM Favorites" _

	    & " WHERE User_belong = '" & VarUser & "'" _

	    & " ORDER BY URLname;"

oRSbt.open sqltext, "DSN=Gifsa"



response.write "<table border='0' cellspacing='0' cellpadding='2' 

width='228'>"

response.write "<tr><td height='2' colspan='2' width='228'><img 

src='images/pixel.gif' width='5' height='2'></td></tr>"



IF oRSbt.EOF then

response.write "<tr><td width='228' colspan='2' align='center' 

bgcolor='#D8E1D7'><a href='favoritos.asp' target='_top' class='fav' 

title='Click to add Favorite...'>No Favorites found</a></td></tr>"



ELSE

oRSbt.MoveFirst

Do while NOT oRSbt.eof

	response.write "<tr><td bgcolor='#D8E1D7' width='22'><img 

src='images/pixel.gif' width='4' height='2'>"

	response.write "<img src='images/fav_icon.gif' width='13' 

height='16'><img src='images/pixel.gif' width='5' height='2'></td>"

	response.write "<td bgcolor='#D8E1D7' width='206' class='fav'>" & 

oRSbt("URLname") & "<br><a href='" & oRSbt("URL") & "' class='favs' 

target='_top'>" & oRSbt("URL") & "</a></td></tr>"

	response.write "<tr><td height='1'><img src='images/pixel.gif' 

width='1' height='1'></td></tr>"

	oRSbt.movenext

loop

END IF

response.write "</table>"

oRSbt.Close

Set oRSbt=nothing

%>



</body>



</html>

*****************************



Any assistance would be greatly appreciated...



Many thanks,



Paul Jacobs
Message #2 by "Jason Salas" <jason@k...> on Sat, 17 Nov 2001 12:21:32
Hi Paul,



The easiest way would be to use VBScript's LEFT function, which returns a 

certain number of characters from a string starting from the left side of 

the string.



The syntax structure is:

Left(string,length)



...so for your needs (I'm assuming you want to display the URL within a 

Web page and then append the ellipsis ("..."), you could do something like 

this within your table code.  Replace the:



oRSbt("URL") with:



Left(oRSbt("URL"),25) & "..."

 

...or just to be on the safe side:



Trim(Left(oRSbt("URL"),25)) & "..."   



The latter code will additionally trim off uneccessry spacec from the left 

and right side in case a user enters them from a form.



I do something like this already at:

http://www.kuam.com/marketingprograms/headlinegrabber.htm



The big benefit to you as a dev is that you don't have to restructure your 

database just to get the characters down.



HTH,

Jason

jason@k...













> Hi all,

> 

> I have a query...  I am displaying within my browser a URL address that 

> can be extremely long.  What I would like to do is shorten the returned 

> field e.g. "http://dailynews.yahoo.com/fc/Business/Aviation_Safety/" to 

> something like "http://dailynews.yahoo.co..." placing the "..." 3 dots 

at 

> the end to signify that it has been shortened...  Is there a piece of 

> visual basic code that could be incorporated into my code.  The reason I 

> need this is that I don't know what a certain user may enter and it 

> destroys the formatting of the table because there are no spaces within 

> the address...

> 

> Here is my code page:

> *****************************

> 

> <html>

> 

> <head>

> <meta http-equiv="Content-Type" content="text/html; charset=windows-

1252">

> <meta http-equiv="Content-Language" content="es-mx">

> <meta name="GENERATOR" content="Microsoft FrontPage 5.0">

> <meta name="ProgId" content="FrontPage.Editor.Document">

> <link rel="stylesheet" type="text/css" href="css/styles.css">

> <title>Favorites Order A-Z</title>

> </head>

> 

> <body bgcolor="#FFFFFF" topmargin="0" leftmargin="0" marginwidth="0" 

> marginheight="0" text="#000000" style="background-color: #FFFFFF">

> 

> <%

> Dim oRSbt

> Dim VarUser

> VarUser = Session("GifsaUser")

> 

> Set oRSbt=Server.CreateObject("ADODB.recordset")

> sqltext = "SELECT URLname, URL" _

> 	    & " FROM Favorites" _

> 	    & " WHERE User_belong = '" & VarUser & "'" _

> 	    & " ORDER BY URLname;"

> oRSbt.open sqltext, "DSN=Gifsa"

> 

> response.write "<table border='0' cellspacing='0' cellpadding='2' 

> width='228'>"

> response.write "<tr><td height='2' colspan='2' width='228'><img 

> src='images/pixel.gif' width='5' height='2'></td></tr>"

> 

> IF oRSbt.EOF then

> response.write "<tr><td width='228' colspan='2' align='center' 

> bgcolor='#D8E1D7'><a href='favoritos.asp' target='_top' class='fav' 

> title='Click to add Favorite...'>No Favorites found</a></td></tr>"

> 

> ELSE

> oRSbt.MoveFirst

> Do while NOT oRSbt.eof

> 	response.write "<tr><td bgcolor='#D8E1D7' width='22'><img 

> src='images/pixel.gif' width='4' height='2'>"

> 	response.write "<img src='images/fav_icon.gif' width='13' 

> height='16'><img src='images/pixel.gif' width='5' height='2'></td>"

> 	response.write "<td bgcolor='#D8E1D7' width='206' class='fav'>" & 

> oRSbt("URLname") & "<br><a href='" & oRSbt("URL") & "' class='favs' 

> target='_top'>" & oRSbt("URL") & "</a></td></tr>"

> 	response.write "<tr><td height='1'><img src='images/pixel.gif' 

> width='1' height='1'></td></tr>"

> 	oRSbt.movenext

> loop

> END IF

> response.write "</table>"

> oRSbt.Close

> Set oRSbt=nothing

> %>

> 

> </body>

> 

> </html>

> *****************************

> 

> Any assistance would be greatly appreciated...

> 

> Many thanks,

> 

> Paul Jacobs

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