I am using LDS + VF pages to make a simple calculator. Pressing a button at the bottom will set a flag in the controller and that flag will render an element and un-render another. For rendering, I NEED <apex:form> tag.

**EDIT : ** Button code is here...

As you can see, pretty simple work.

I am using LDS + CSS to style the buttons (CSS file in a static resource).

I have a <div class="slds-grid"> that holds three (3) <div class="slds-col">.

Inside each sdls-col there are custom buttons styled via CSS. Clicking them changes a <div> via document.getElementById("Display_Div_Id");.

When I add <apex:form> tags ANYWHERE in the page, the FIRST and SECOND slds-col and its buttons behave VERY weird.

They change the Display_Div_Id AND refresh the page. This is ESPECIALLY weird since the buttons in the third slds-col are very simple/dummy/mockup buttons with NO code/logic.

They should not even be changing ANYTHING.

What I require :

  1. Why the page is behaving weird.
  2. A way to render elements without using <apex:form>

As always, thanks for reading. (pls dont edit, im trying to be polite to ppl who spend their time to help me)

  • Can you add the button mark up ? Thanks Aug 29, 2016 at 4:42
  • Yes ofc, you will have to wait, though, I will take a few minutes and add it to the OP
    – fraglord
    Aug 29, 2016 at 4:43

1 Answer 1


When you are adding apex:form ,the button by default is rendering of type=submit .Use the Type attribute to specify its just of type of button .

Change your button code to below

<button id="lightbluebutton5" type="button" onclick="show_amt_leftbutton(10)" style="height:65px" class="button slds-size--3-of-5">10</button>

Notice how i have added an attribute to explicitly mention that it is of type=button to avoid submit of the form by default .

  • OH!!! Now I understand what was going wrong (my "buttons" in the 2nd column were just divs with an onclick attribute :) )! Thank you! Just perfect!
    – fraglord
    Aug 29, 2016 at 5:35

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