Is this method of achieving #2 (selection from one dropdown affected contents of a second dropdown) completely frowned upon? We were asked to avoid javascript.
<html:select name="incidentForm" property="region" onchange="submit()" > in action class: only doPost() when save button pressed else doGet() and display province dropdown based on region selection. -----Original Message----- From: Nicolas De Loof [mailto:[EMAIL PROTECTED] Sent: Monday, June 02, 2003 3:34 AM To: Struts Users Mailing List Subject: Re: A few questions about <html:select> and <html:option> tags > Hello, > > I have a few question about those tags. > > 1) How can I preselect a value in a dropdown? Meaning: I already have a > value (one that was selected before) and I want that to be selected when the > form gets displayed. if your formbean has a property "foo", using : <html:select property="foo"> <html:option value="0">none</html:option> <html:option value="1">one</html:option> <html:option value="2">two</html:option> </html:select> will display a select list with item selected from property value. > 2) I want to have one dropdown that changes another one when something gets > selected. I know, you have to use JavaScript for that and use the onChange > event. But can I still use struts for that? I have the different options in > different Java Collections. How would I go about that? > You will have to use javascript for that. You can use struts iterate tags to build javascript code from your datas collections : <script type="text/javascript"> <bean:size id="size" name="myCollection"/> var datas = new Array[<bean:write name="size"/>]; <logic:iterate id="item" name="myCollection" indexId="index"/> datas[<bean:write name="index"/>] = "<bean:write name="item"/>"; </logic:iterate> </script> > 3) My collections (with the different options) are kind of archives holding > objects of a certain type. Now I want a default value in the dropdown like > 'Please choose one of the following...' or something like that. Can I have > that without putting it into my collection? > You can use this : <html:select property="foo"> <option value="nothing has been selected!">Please choose one ...</option> <html:option value="...">...</html:option> </html:select> If foo is null or no html:option value is same, first item in list will be displayed by many browsers as 'current'. Nico. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
