self.submitSearch = function () {
    $("#foundMembersTableParent").block({ message: '<img src="/Content/images/spinnerLarge.gif" /> Searching...' });
    self.selectedMembers.removeAll();
    fnOnSearch();
    $.ajax({
        type: 'POST',
        url: '/Members/MSearch',
        contentType: "application/json; charset=utf-8",
        data: self.getFormData(),
        success: function (data) {
            self.members($.map(data.searchResults, function (item) { return new Members(item) }));
            $("#foundMembersTableParent").unblock();
        },
        dataType: "json"
    });
}

self.getFormData = function () {
    var frmobj = $('#complexSearchForm').serializeObject();
    return JSON.stringify(frmobj);
 }

$.ajax({
    type: 'POST',
    url: '/Members/MSearch',
    contentType: "application/json; charset=utf-8",
    data: self.getFormData(),
    success: function (data) {
        self.members($.map(data.searchResults, function (item) { return new Members(item) }));
        $("#foundMembersTableParent").unblock();
    },
    dataType: "json",
    timeout: 30000,      // 30 seconds
    error: function(qXHR, textStatus, errorThrown) {
        if (textStatus === "timeout") {
            // request timed out, do whatever you need to do here
        }
        else {
            // some other error occurred
        }
    }
});

$("#foundMembersTableParent").unblock();