I am developing windows application using c# and sql server 2008.
i have a table with a name: todolistTable with columns, id,reminderDesc,date

i will have an entry form for reminderdescription and date of the reminder.
then i want to show me pop up message of the work i added in the table to remind me when the difference time between today and the date on the table is 3.
could you show me on how to code it please. thanks