How to set month start date month end date default in date field

[frank_ash]

How to set month start date month end date default in date field . i have two date field one month start start date another one month end date . when render those field in form panel should appear month start date and month end date default in date field. how to set please help me.

[devnull]

DateFields accept a Date object for their 'value' config option. Use javascript's date functions to create a date object and adjust it to the value you want displayed for each field.