Datetime.minvalue Sql Error
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Sql Server Datetime Max Value
Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign sql min date in where clause up SqlDateTime overflow error when saving DateTime.MinValue on a POCO entity up vote 6 down vote favorite I've been having som issues when saving POCO entities with a DateTime property. When the DateTime property has the value of DateTime.MinValue the SaveChanges() fails because of the difference between SqlDateTime.MinValue and DateTime.MinValue. So, what to do? 1) Should I check for DateTime.MinValue before saving the sqldatetime entity? 2) Should I have my datetime POCO property designed something like this? private SqlDateTime _created; public virtual DateTime Created { get { return _created.Value; } set { _created = value == DateTime.MinValue ? SqlDateTime.MinValue : value; } } /PW entity-framework entity poco datetime2 share|improve this question asked Apr 5 '11 at 10:47 Peter Wikström 767 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote accepted If possible, I'd recommend making the database field nullable and set the value to null rather than min value. Alternatively I would design the property like this: private SqlDateTime? _created; public virtual DateTime Created { get { return (DateTime)(_created ?? SqlDateTime.MinValue); } set { if (value == null || value < (DateTime)SqlDateTime.MinValue) { _created = SqlDateTime.MinValue; } else { _created = (SqlDateTime)value; } } } share|improve this answer answered Apr 5 '11 at 11:18 Emil Badh 3,60911018 Thanks for the response. A follow up question. What about some common way to treat all DateTime properties on POCO classes this way? Extension method? CustomDateTime class? Or is the only way to re-write those DateTime prop
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Join them; it only takes a minute: Sign up SqlDateTime.MinValue != DateTime.MinValue, why? up vote 62 down vote favorite 17 I wonder, why SqlDateTime.MinValue is not the same as DateTime.MinValue? .net sql-server datetime types share|improve this question edited Nov http://stackoverflow.com/questions/5550610/sqldatetime-overflow-error-when-saving-datetime-minvalue-on-a-poco-entity 11 '10 at 4:32 AMissico 16.1k55389 asked Apr 30 '09 at 7:27 Dhana 5,1052877131 add a comment| 5 Answers 5 active oldest votes up vote 122 down vote accepted I think the difference between SQL's and .NET's Date data types stems from the fact that SQL Server's datetime data type, it's minimum and maximum values, and it's precision are much older than .NET's DateTime datatype. With the advent of .NET, the team decided that the Datetime data type http://stackoverflow.com/questions/805770/sqldatetime-minvalue-datetime-minvalue-why should have a more natural minimum value, and 01/01/0001 seems a fairly logical choice, and certainly from a programming language, rather than database perspective, this value is more natural. Incidentally, with SQL Server 2008, there are a number of new Date-based datatypes (Date, Time, DateTime2, DateTimeOffset) that actually do offer an increased range and precision, and closely map to the DateTime datatype in .NET. For example, the DateTime2 data type has a date range from 0001-01-01 through 9999-12-31. The standard "datetime" data type of SQL Server always has had a minimum value of 01/01/1753 (and indeed still does have!). I must admit, I too was curious as to the significance of this value, so did some digging.. What I found was as follows: During the period between 1 A.D. and today, the Western world has actually used two main calendars: the Julian calendar of Julius Caesar and the Gregorian calendar of Pope Gregory XIII. The two calendars differ with respect to only one rule: the rule for deciding what a leap year is. In the Julian calendar, all years divisible by four are leap years. In the Gregorian calendar, all years divisible by four are leap years, except that years divisible by 100 (but not divisible by 400) are not leap years. Thus, the years 1700, 1800, and 1900 are leap years in the Julian calendar but not in the Gregorian calendar, whi
-Revindex Priority Support -Revindex Storefront -Revindex Storefront Service Plan -Revindex Storefront Source -Revindex Storefront Source Service Plan -Revindex Task Scheduler -Revindex Wiki -Software License Modification Services -Design -Programming -Hosting -Merchant Account Resources -Downloads -Knowledge http://www.revindex.com/Resources/Blogs/EntryID/35 Base --ASCII Characters --HTML Entities --Revindex Impersonator --Revindex Optimizer --Revindex Storefront --Revindex Task http://forums.asp.net/t/1696438.aspx?+NET+DateTime+Min+doesn+t+match+with+MS+SQL+Sever+2005+s+DateTime+Min Scheduler --Revindex Wiki --Standard DNN Tokens -Tools --Remote Ping --Unit Converter --URL Encoder Decoder --HTML Encoder Decoder --GUID Generator -Blogs Support -Forum -Frequently Asked Questions -Support Ticket Company -About Us -Customer Portfolio -Customer Reviews -Resellers Free Trial You are here: Resources ⁄ Blogs DateTime.MinValue underflow in SQL Server Location: BlogsRevindexSQL sql server Posted by:revindex 10/22/2008 5:29 AM If you try to save DateTime.MinValue into a SQL Server "datetime" column, you'll get an overflow exception (sometimes referred as an underflow). Most people store MinValue to indicate a non-existentperiod in time instead of using DB Null or to indicate an initial moment in timewhere the actual date doesn't matter or couldn't make sense (eg. a similar MaxValue is sql server datetime oftenused to indicate account never expires). The reasonfor the overflow is because.NET frameworkcan covera wider range of date than SQL Server. The DateTime structure in .NET supports a range from 0:00 1/1/0001 (MinValue) to 23:59 12/31/9999 (MaxValue).Whereas, SQL Server can only support a range of1/1/1753 to 12/31/9999. Other databases handle datetime range differently. For instance, a PostgreSQL database can comfortably support the full DateTime range. To workaround the problem, you can use SqlDateTime.MinValue instead to set DateTime.MinValue.To convert back into standardDateTime,s imply convert it backto DateTime structure like this: DateTime date = Convert.ToDateTime(SqlDateTime.MinValue); There is no standard in allowable date range between languages (Java, .NET, PHP) anddatabases (MySQL, SQL Server, Oracle, PostgreSQL). Sopay attentionwhen you pass a date range in code and especially in web services. Permalink| Trackback Comments (3) Add Comment Re: DateTime.MinValue underflow in SQL Server By Tom on 1/15/2009 6:05 AM It doesn't work with dotnet Framework 2.0 Re: DateTime.MinValue underflow in SQL Server By Stephen on 1/15/2009 10:24 AM It works with .NET 1.1, 2.0 and even 3.5 on my side. Re: DateTime.MinValue underflow in SQL Server By sushma on 4/30/2010 7:06 AM DateTime da
ASP.NET Community Standup Forums Help Home/ASP.NET Forums/.NET Languages/C#/.NET DateTime.Min doesn't match with MS SQL Sever 2005's DateTime.Min .NET DateTime.Min doesn't match with MS SQL Sever 2005's DateTime.Min [Answered]RSS 4 replies Last post Jul 04, 2011 06:53 AM by raJanchellappaN ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply raJanchellap... Member 4 Points 34 Posts .NET DateTime.Min doesn't match with MS SQL Sever 2005's DateTime.Min Jul 04, 2011 06:39 AM|raJanchellappaN|LINK Hi, i am parsing a .csv file anddumping it into Datatable and using SQLBulkCopy object. while parsing the .csv i am validating the csv fields and if there is no value inany datetime column, assigning DateTime.MinValue. when i upload the fileit throws me an exception "SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM." Here MS.NET DateTime.MinValue gives the year from 0001 and SQL Datetime gives me min value year from 1753. is it a configuration error of the user or mismatch between two microsoft technologies? thank you Regards, Rajan Reply chandrasheka... Star 8101 Points 2093 Posts Re: .NET DateTime.Min doesn't match with MS SQL Sever 2005's DateTime.Min Jul 04, 2011 06:46 AM|chandrashekar|LINK .net frame work date time min value is different from the sql server min value. Pass the following value when the date time is mine value System.Data.SqlTypes.SqlDateTime.MinValue YCS Please try the answer for the post and finally Don't forget to click “Mark as Answer” on the post that helped you. Reply hassanmehmoo... Contributor 6015 Points 1514 Posts Re: .NET DateTime.Min doesn't match with MS SQL Sever 2005's DateTime.Min Jul 04, 2011 06:48 AM|hassanmehmood|LINK Hi, the reason for this is that SQL Server DateTime datatype is old and its precision is not that accurate as of .NET. May be MS didnt though to upgrade it because many systems must be using it as it is. But they included DateTime2 for this purpose. So, If you are using SQL Server 2008, you can use DateTime2 also. DateTime2 ranges from 0001-01-01 to 9999-12-31. You said that: raJanchellappaN while parsing the .csv i am validating the csv fields and if there is no value inany datetime column, assigning DateTime.MinValue. If you are parsing the CSV and you find that there is no value in datetime column, then istead of assigning DateTime.MinValue, you can use "1/1/1753 12:00:00 AM". Also check this too: http://stackoverflow.com/questions/805770/sqldatetime-minvalue-datetime-minvalue-why --