Handling date in SQL Server

Question

I am working on a website in asp.net. I am getting a date from a web page and then depending on the user input I want to get results from SQL Server database (using stored p

Answer 1

If you only want compare with day level and ignoring the hours part, you can use DateDiff function. Pass d or DAY to interval parameter of DateDiff

For example:

DECLARE @sDate VARCHAR(100)='2016-10-08'
IF ISDATE(@sDate)=1
BEGIN
   select * 
   from table 
   where datediff(d,acceptedDate,@sDate)=0  --same day
END
ELSE 
 PRINT 'Invalid date format!'

Answer 2

Don't pass dates as strings. Pass them as DateTime.
The .Net DateTime maps directly to SQL Server's DateTime. All you have to do is parse the string to a DateTime struct in your .Net code and pass it as a parameter to your stored procedure. To search for a specific date and ignore the Time portion of the DateTime, better use >= and < in your sql:

select * 
from table 
where acceptedDate >= @Date
AND acceptedDate < DATEADD(DAY, 1, @Date);