Jquery datepicker加载并正确打开但不更改日期值

I am developing a web based application with MVC razor and i'm using Jquery datepicker a couple date field now datepicker load and open correctly but not change date value.i'm calling a partial view for edit using by jquery dialog.Actually if i make edit operation inside page(using query dialog use without partial view), everything is normally.I am developing a web based application with MV