How to submit form on change of dropdown list

Question

I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet                lt  select gt               lt input type  submit  name  GO  value  Go   gt    How do I make it so that it does it on change  E g  when the user selects John all his details are retrived from the DB and displayed  I want the system to do it without having to click the go button

User · Answer

other than using this form submit   you also submiting by id or name  example i have form like this    lt form action    name  PostName  id  IdName  gt    By Name    lt select onchange  PostName submit    gt  By Id    lt select onchange  IdName submit    gt

User · Answer

Simple JavaScript will do -    lt form action  myservlet do  method  POST  gt       lt select name  myselect  id  myselect  onchange  this form submit    gt           lt option value  1  gt One lt  option gt           lt option value  2  gt Two lt  option gt           lt option value  3  gt Three lt  option gt           lt option value  4  gt Four lt  option gt       lt  select gt   lt  form gt    Here is a link for a good javascript tutorial

User · Answer

Just ask assistance of JavaScript    lt select onchange  this form submit    gt           lt  select gt    See also    HTML dog - JavaScript tutorial

User · Answer

To those in the answer above  It s definitely JavaScript  It s just inline   BTW the jQuery equivalent if you want to apply to all selects      form select   on  change   function          this  closest  form   submit

User · Answer

Very easy to use select option submit  lt select name  quot sortby quot  onchange  quot this form submit   quot  gt          lt option value  quot  quot  gt Featured lt  option gt          lt option value  quot asc quot   gt Price  Low to High lt  option gt           lt option value  quot desc quot  gt Price  High to Low lt  option gt                                      lt  select gt   This code use and enjoy now  Read More  Go Link

[html] How to submit form on change of dropdown list?

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