I would like to use the same date picker control that we have in the admin area (for example on the orders page) in the front end of the site. When I use the 'DatePicker.ascx' code from admin/modules in nopcommerce/modules it does not work. This is the error:
Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "AjaxControlToolkit.Properties.Resources.resources" was correctly embedded or linked into assembly "AjaxControlToolkit" at compile time, or that all the satellite assemblies required are loadable and fully signed.
You may have already figured this out, but it sounds like you may be missing an instance of the ToolkitScriptManager. Make sure you add an instance before the DatePicker control.
The datepicker in the admin area is an ajax calendar control whereas the datepicker for product attribute and checkout attribute is three dropdown boxes for month day and year.