如何在2个不同的输入字段上调用相同的日期选择器

I'm using Bootstrap Datepicker and I have a situation where I need to call the datepicker in the input field 2 or more times,but the problem is that,the datepicker opens on the first input filed,but on the rest it won't. I tried changing the ID of the input and the datepicker script,still won't work. Please help. Thx in advance and I have a sit