how to retrieve CheckBox value using GET Method ?

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QAIX > ASP web-programming > how to retrieve CheckBox value using GET Method ? 22 August 2008 19:29:30

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how to retrieve CheckBox value using GET Method ?
Magix 22 August 2008 19:29:30
	If I have <form action="process.asp" method="get" name="form1"> ... ... <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> </form> If I check all, when submit, I will get in URL string http://....?... &sports=Cricket&sports=Swimming&sports=Football So, in process.asp, how can I differentiate each of them with request.querystring("sports)? How cna I know how many "sports" have been selected ? Assume that all must having same checkbox name, and must use GET method, instead of POST Thanks. regards, Magix
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Evertjan. 21 August 2008 20:16:25 [ permanent link ]
	magix wrote on 21 aug 2008 in microsoft.public.inetserver.asp.general: If I have <form action="process.asp" method="get" name="form1"> ... ... <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> </form> If I check all, when submit, I will get in URL string http://....?... &sports=Cricket&sports=Swimming&sports=Football So, in process.asp, how can I differentiate each of them with request.querystring("sports)? I think, but please test first: request.querystring("sports")(0) request.querystring("sports")(1) How cna I know how many "sports" have been selected ? request.querystring("sports").length -- Evertjan. The Netherlands. (Please change the x'es to dots in my emailaddress)
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Dave Anderson 21 August 2008 20:24:11 [ permanent link ]
	Evertjan. wrote: How cna I know how many "sports" have been selected ? request.querystring("sports").length More like .Count: http://msdn.microsoft.com/en-us/library/ms524784.aspx -- Dave Anderson Unsolicited commercial email will be read at a cost of $500 per message. Use of this email address implies consent to these terms.
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Evertjan. 21 August 2008 20:41:27 [ permanent link ]
	Dave Anderson wrote on 21 aug 2008 in microsoft.public.inetserver.asp.general: Evertjan. wrote: How cna I know how many "sports" have been selected ? request.querystring("sports").length More like .Count: http://msdn.microsoft.com/en-us/library/ms524784.aspx Yesss! -- Evertjan. The Netherlands. (Please change the x'es to dots in my emailaddress)
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Old Pedant 21 August 2008 22:11:01 [ permanent link ]
	"magix" wrote: If I have <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> So, in process.asp, how can I differentiate each of them with request.querystring("sports)? How cna I know how many "sports" have been selected ? Other answers right, but more complex than needed. Just do this: <% ... sports = Trim( Request("sports") ) ' do not need to say Request.QueryString If sports = "" Then ... no sports selected ... Else sports = Split( sports, ", " ) ' that is COMMA-SPACE and not just comma Response.Write "You selected " & UBound(sports)+1 " sports." End If ... %> This works fine so long as none of the VALUE= values for the checkboxes contain COMMA-SPACE. But you should be sure you really need to do the SPLIT, first. You may be able to do many SQL queries without bothering to get the individual choices.
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Bob Barrows 21 August 2008 22:18:27 [ permanent link ]
	Old Pedant wrote: "magix" wrote: If I have <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> So, in process.asp, how can I differentiate each of them with request.querystring("sports)? How cna I know how many "sports" have been selected ? Other answers right, but more complex than needed. Just do this: <% ... sports = Trim( Request("sports") ) ' do not need to say Request.QueryString Perhaps not, but I would suggest you do so. I'm surprised a pedant would advise someone to be less that precise! -- Microsoft MVP -- ASP/ASP.NET Please reply to the newsgroup. The email account listed in my From header is my spam trap, so I don't check it very often. You will get a quicker response by posting to the newsgroup.
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Old Pedant 21 August 2008 23:20:01 [ permanent link ]
	"Bob Barrows [MVP]" wrote: Old Pedant wrote: sports = Trim( Request("sports") ) ' do not need to say Request.QueryString Perhaps not, but I would suggest you do so. I'm surprised a pedant would advise someone to be less that precise! LOL! But it IS precise...if you know what you are doing. http://msdn.microsoft.com/en-us/library/ms524948(VS.85).aspx Since QueryString is searched first, then Request("foo") is equivalent to Request.QueryString("foo") with the proviso that the latter actually exists. Now, pedantically, if for some reason the querystring value does not exist then the search process will indeed try to find that name in all the other collections. But unless your code has created a "sports" key/value pair in Request.Form (that is, via POST) or Cookies, that's not an issue. Anyway, the reason I tended to use just Request was simple: During development and debug, I'd use METHOD=GET in my <FORM>s so I could see in the URL what I was passing. Then, once it was working and debugged, I'd change to METHOD=POST but wouldn't have to change my VBS code. A hack, but I think a reasonable one. Anyway, I'll bet in this case there's no reason for him to know how many were selected and/or separate them. I'll bet that if he constructed the SQL efficiently he'd just need to do something such as sql = " ... WHERE sport IN ('" & Replace(Request("sports"),", ","','") & "') " or similar.
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Anthony Jones 22 August 2008 11:14:08 [ permanent link ]
	"Old Pedant" <OldPedant@discussions.microsoft.com> wrote in message news73A832B-9D6A-4EB3-B8BE-CEC2CB4BC64B@microsoft.com... "magix" wrote: If I have <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> So, in process.asp, how can I differentiate each of them with request.querystring("sports)? How cna I know how many "sports" have been selected ? Other answers right, but more complex than needed. I'm sorry perhaps I'm miss reading you but you seem to be saying the other answers are more complex than needed and yours below is simpler?? Just do this: <% ... sports = Trim( Request("sports") ) ' do not need to say Request.QueryString Bob was more gentle, I would say that this is not a good practice at all. Always use either .QueryString or .Form. I've seen the short cut above cause too many headaches especially when a page was using GET then switches to POST. If sports = "" Then ... no sports selected ... Else sports = Split( sports, ", " ) ' that is COMMA-SPACE and not just comma Response.Write "You selected " & UBound(sports)+1 " sports." End If ... %> This works fine so long as none of the VALUE= values for the checkboxes contain COMMA-SPACE. Yikes. Is that 'less complex'? Have you tested it? Does it seem to you to match the querystring structure seen in the OP? But you should be sure you really need to do the SPLIT, first. You may be able to do many SQL queries without bothering to get the individual choices. Thats an interesting assertion. Can you achieve that without creating a SQL statement using string concatenation which I'm sure you would agree would be a bad thing? -- Anthony Jones - MVP ASP/ASP.NET
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Anthony Jones 22 August 2008 11:26:31 [ permanent link ]
	"magix" <magix@asia.com> wrote in message news:48ad9aed$1_2@news.tm.net.my... If I have <form action="process.asp" method="get" name="form1"> ... ... <input TYPE=checkbox name=sports VALUE=Cricket> <input TYPE=checkbox name=sports VALUE=Swimming> <input TYPE=checkbox name=sports VALUE=Football> </form> If I check all, when submit, I will get in URL string http://....?... &sports=Cricket&sports=Swimming&sports=Football So, in process.asp, how can I differentiate each of them with request.querystring("sports)? How cna I know how many "sports" have been selected ? Assume that all must having same checkbox name, and must use GET method, instead of POST Why GET instead of POST? Do you deliberately want enable the possiblity that a response can be delivered from the cache? -- Anthony Jones - MVP ASP/ASP.NET
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Dave Anderson 22 August 2008 19:29:30 [ permanent link ]
	Old Pedant wrote: Anyway, the reason I tended to use just Request was simple: During development and debug, I'd use METHOD=GET in my <FORM>s so I could see in the URL what I was passing. Then, once it was working and debugged, I'd change to METHOD=POST but wouldn't have to change my VBS code. This seems to contradict your earlier argument that Request("foo") is the same as Request.QueryString("foo") because QueryString is the first collection searched. If you change your form methods to POST, are you not introducing a useless -- and potentially interfering -- search through the QueryString collection for your post-development scripts? A hack, but I think a reasonable one. Well, that's one opinion. We have solved countless problems by breaking people of this habit. Likewise, default properties. -- Dave Anderson Unsolicited commercial email will be read at a cost of $500 per message. Use of this email address implies consent to these terms.
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QAIX > ASP web-programming > how to retrieve CheckBox value using GET Method ? 22 August 2008 19:29:30

	see also: [Security & JAAS/JBoss] - Custum… [JBoss AOP] - Re: error when calling…		пройди тесты:		see also: Please somebody help Critical Thinking!!!!

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how to retrieve CheckBox value using GET Method ?

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