How to validate table column values as Row level

function ValidateTableTDInputValues() {

$('input').removeClass('error');

       $('span.mandatory').remove();

       var res = true;

       this.$('.ClassName1, .ClassName2').each(function () {

       var value = '';

       value = $(this).val();

       var tableRow = $(this).parent().parent();

       if (value != "") {

       var txtBoxOneInput = tableRow.find("td:nth-child(1) input[type=text]");

       var txtBoxOneValue = txtBoxOneInput.val();

       var txtBoxTwoInput = tableRow.find("td:nth-child(2) input[type=text]");

var txtBoxTwoValue = txtBoxTwoInput.val();

       var txtBoxThreeInput = tableRow.find("td:nth-child(3) input[type=text]");

       var txtBoxThreeValue = txtBoxThreeInput.val();

       var txtBoxFourInput = tableRow.find("td:nth-child(4) input[type=text]");

       var txtBoxFourValue = txtBoxFourInput.val();

       if (!$(txtBoxOneInput).hasClass('error') && $.trim(txtBoxOneValue) == '') {

       $(txtBoxOneInput).addClass('error').after('<span class="mandatory">*</span>');

res = false;

       }

      

if (!$(txtBoxTwoInput).hasClass('error') && $.trim(txtBoxTwoValue) == '') {

       $(txtBoxTwoInput).addClass('error').after('<span class="mandatory">*</span>');

res = false;

}

      

if (!$(txtBoxThreeInput).hasClass('error') && $.trim(txtBoxThreeValue) == '') {

       $(txtBoxThreeInput).addClass('error').after('<span class="mandatory">*</span>');

res = false;

       }

if (!$(txtBoxFourInput).hasClass('error') && $.trim(txtBoxFourValue) == '') {

       $(txtBoxFourInput).addClass('error').after('<span class="mandatory">*</span>');

res = false;

}

    }

});

 if (res) { return true; } else { return false; }

}