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  #1 (permalink)  
Old March 14th, 2009, 03:28 AM
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Default Problem with Select Tag


i have a tiny problem with select tag

i have a select tag like this

HTML Code:
<select name="checkDropDown" onchange="elements['TextwithList'].value = this.text">
         <option value="1">ashok</option>
         <option value="2">amit</option>
         <option value="3">Sunil</Option>
and i want to store both those values into database
1. value(1, 2...)
2. Showed text (ashok, ....)

how to get both values

i tried this code
dim value
dim SelectText

value = Request.Form("CheckDropDown")
SelectText =Request.Form("checkDropDown").text

cant understand how to select this value, i tried to find on internet, but could not succeed

all suggestions are welcome,
thanks for your consideration

best regards

ashok sharma
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  #2 (permalink)  
Old March 14th, 2009, 01:38 PM
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Default Use a Dictionary to show and retrieve values

Hi Ashok,
There isn't a way to get the text value they selected just by using Request.Form - you only ever get back the value part (you may be thinking of how ASP.NET allows you to use it, but that does it by parsing the html code in the file - nothing to do with request data).

You will have to keep a list of the text and values you want to show within the actual asp code.
A good way to do this is using an ASP Dictionary object, which is like an array, but stored as custom keys/values. See an introduction at http://www.w3schools.com/asp/asp_ref_dictionary.asp

Here is an example page which uses a Dictionary to print and then retrieve the text and value they have selected

vb Code:

Dim myDic, dKeys, text, value

' create a dictionary object
Set myDic = Server.CreateObject("Scripting.Dictionary")
' add each value/text pair
myDic.Add "1", "ashok"
myDic.Add "2", "amit"
myDic.Add "3", "Sumil"

' store the list of keys (select values)
dKeys = myDic.Keys()

If Request.Form("checkDropDown") <> "" Then
  ' get the value selected and use dictionary to get text
  value = Request.Form("checkDropDown")
  text = myDic(value)
  ' add to database here
End If

<form action="default.asp" method="post">

<select name="checkDropDown">
' loop through dictionary, printing an option containing each key/value
Dim optValue, optText
For i = 0 To myDic.Count - 1
    optValue = dKeys(i)
    optText = myDic(optValue)
    Response.Write "<option value=""" & optValue & """>" & optText & "</option>"

<input type="submit" value="Go" />


' For testing only
If Not IsEmpty(text) Then
    Response.Write text & " / " & value
End If

You basically create the dictionary at the top of the page each time. If they have submitted the form, it will retrieve the selected value from the Request, then use the Dictionary to find the corresponding text. In the same way, it builds up the select html using the keys and values from the Dictionary.


Last edited by philip_cole; March 14th, 2009 at 01:39 PM.. Reason: Typing errors
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beetle_jaipur (March 28th, 2009)
  #3 (permalink)  
Old March 15th, 2009, 06:29 PM
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A very strange requirement, i cant imagine why you would wany the text value also. Shouldnt your select list be created from a DB table, all your should need is the ID, then you would get the string based on that ID from the table.......

Not that I have done this before but I can see a much less complicated way. There is no need to store all your values in an array - Im mean after all you only want the two values that are being selected correct? This is a bit of a hack but much much less code than whats been suggested.

Place both values inside the value="" seperated by a comer like so

<select name="checkDropDown" onchange="elements['TextwithList'].value = this.text">
<option value="1,ashok">ashok</option>
<option value="2,amit">amit</option>
<option value="3,Sunil">Sunil</Option>

Now your trim(request.form("checkDropDown")) will return:


if the first option is selected. Now use the Split function, split on the commer and there are your two values. As I said a hack but a simple one that will work for you. Sure you may have to alter your onChange code but that should be strait forward.
Wind is your friend
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Old March 16th, 2009, 04:23 AM
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Default And yet another way to do it...

<select name="checkDropDown"
<option value="1">ashok</option>
<option value="2">amit</option>
<option value="3">Sunil</Option>
<input type=hidden name="checkText">


I think this may have been what Ashok was trying to do in the first place.

Now, in your ASP code:
dropDownValue = Request("checkDropDown")
dropDownText  = Request("checkText")
Personally, I usually use Mat's method, but there are times when doing it this way is handier. (Only thing I would change in Mat's code: Don't use a comma in the value="1,ashok" ... use some other delimiter, maybe semicolon or $ ... in case you want to use <SELECT MULTIPLE> ... simplifies coding for multiple values later. Not really important if you'll never use MULTIPLE.)

Last edited by Old Pedant; March 16th, 2009 at 04:26 AM..
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