使用CustomValidator将轻松解决您的问题。
或者
您可以使用 JavaScript 来验证您的日期,如下所示
var myDate=new Date();
myDate.setFullYear(2010,0,14);
var today = new Date();
if (myDate>today)
{
alert("Today is before 14th January 2010");
}
else
{
alert("Today is after 14th January 2010");
}
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