Edit dialog, with bindings and OK/Cancel in WPF

jQuery("#specialItemGrid").jqGrid('editGridRow', "new", { height: 370, reloadAfterSubmit: true, addCaption: "Special Item", bSubmit: "Add to Order" });

var ViewModel = function() {
    var self = this;

    self.errors = new Errors();

    self.sectionOne = new SectionOneViewModel(self.errors);
    self.sectionTwo = new SectionTwoViewModel(self.errors);
};

var SectionOneViewModel = function(errors) {
    var self = this;

    self.sectionOne = ko.observable("section one");
    self.errors = errors;

    //this is how to add an error
    self.errors.add("This is an error");
};

var SectionTwoViewModel = function(errors) {
    var self = this;

    self.sectionTwo = ko.observable("section two");
    self.errors = errors;
};

var Errors = function() {
    ver self = this;

    self.errors = ko.observableArray();

    self.add = function (errorText) {
        self.errors.push(new Error(errorText));
    };

    self.clear = function() {
        self.errors.removeAll();
    };
};

var Error = function(errorText) {
    var self = this;

    self.errorText = errorText;
};