how to cancel submit a form using javascript function

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Hi,

HTML

<% using (Html.BeginForm(null, null, FormMethod.Post, new { id = "postAddSupplemental", onsubmit = "return submitSupplemtal(this)"}))

in the above line onsubmit i have called javascript function like as below

JavaScript

function submitSupplemtal(frm) {
        
        var tdata = $(frm).serialize();
        $.ajax({
            url: $.url('EventCommand/ProcessAddSupplemental'),
            type: 'POST',
            dataType: "json",
            cache: false,
            data: tdata,
            success: function (data) {
                if (data != null) {
                               
                    showResult(null, data, false);
                }
                else {
                    showResult(null, "Added successfully", false);
                }
            }
        });
       
    }

How to cancel submit a form using javascript function when json returns failure message

Posted 8-May-12 20:36pm

Rupa1

Updated 8-May-12 20:38pm

member60

v2

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bbirajdar · Answer 1 · 2012-05-08T21:01:00

JavaScript

function submitSupplemtal(frm) {
        
        var tdata = $(frm).serialize();
        $.ajax({
            url: $.url('EventCommand/ProcessAddSupplemental'),
            type: 'POST',
            dataType: "json",
            cache: false,
            data: tdata,
            success: function (data) {
                if (data != null) {
                               
                    showResult(null, data, false);
                    return false;//Added By B Birajdar
                }
                else {
                    showResult(null, "Added successfully", false);
                    return true;//Added By B Birajdar
                }
            }
        });
       
    }