jquery - Submit button not in form collection when using MVC Client validation -

i have view client mvc validation activated , input type=submit buttons. don't use ajax.

<input name="save" class="btnsave" type="submit" /> 

fails :

• when click 1 of submit button, form submitted, have no trace of submit button

works :

• when first manually validate form javascript (frm.valid() , form valid), submit button is in form collection.
• when remove javascript rendered html test , click, submit button is in form collection

i absolutly need submit button clicked in form collection

thank help