Hi,

Setting the value for MaxDate or MinDate on a DatePicker on a DateMenu (I have not checked regular, non DateMenu DatePickers) during an AjaxEvent results in a clientside javascript error. If it is set during a regular server event (such as PageLoad), no such errors occur.

[AjaxMethod]
public void Test()
{
    // Set the date to a week earlier
    dateMenu.Picker.MaxDate = DateTime.Now.AddDays(-7);
}
Please find attached a test case. I had to rename the .rar to .rar.txt

Any work-around is very welcome. :)