date conversion

[sreeja padmaja]

I have date in my textbox and i want to check that date with system date,if textbox date is greater than system date,then i have to give mesg,for this i had written in code in text changed event,i make autopostback true for texbox,but its not raiseing,becoz that texbox date will come from a popup calendar.when user selects the date from popup,it will directly display on textbox,i hav checked in postback true event also,but iam not geting how.