What is the most effective method to prevent postback controls from activating before the page is fully loaded?

My website contains high-quality graphics, which may lead to slow download times for users with poor internet connections. As the browser is still loading, users often access form options and submit their information prematurely.

This premature submission results in an event validation issue due to incomplete page loading. Various solutions come to mind, such as disabling all controls and using JavaScript to enable them only client-side once the page is fully loaded.

I have also explored blockui as a potential solution, but it either blocks the entire page or just a specific div. I am seeking a more seamless option that can be integrated into my masterpage without any ongoing maintenance required.

Does anyone have any ideas for how to address this issue effectively?

javascriptasp.net

Answer №1

To optimize the loading process, consider loading intensive graphics after rendering critical DOM elements to ensure users can submit forms promptly. It may not be crucial for all images to load before form submission.

You can achieve this by setting your images as CSS backgrounds on div and body elements using a specific class, like so:

body.loaded {background: black url("http://us.battle.net/sc2/static/images/layout/body-bg-baked.jpg") center top no-repeat;}

Add the following code to apply that class upon page load:

$(window).load(function() {$('body').addClass('loaded');});

This method shouldn't cause any notable delay in image loading, but it will allow all DOM elements and JavaScript functions to operate while the images download if needed.

(View jsFiddle demo)

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