convert datetime to date sql

the type of news. CreateTime stored in the database is varchar (), this error will not occur. As you can see, the time format conversion process is as follows: In this process, the system determines that the value obtained from the database is of the datetime type, therefore, you need to obtain the value (for example, the time value obtained from the database is "12:42:10 ") convert to the local time form

:23String. Format ("{0:y}", dt);//November 2005String. Format ("{0}", dt);//2005-11-5 14:23:23String. Format ("{0:yyyymmddhhmmssffff}", DT);Calculates the difference in the number of days between 2 dates-----------------------------------------------DateTime dt1 = Convert.datetime ("2007-8-1");DateTime DT2 = Convert.datetime ("2007-8-15");TimeSpan span = dt2. Subtract (DT1);int Daydiff = span. Days + 1;Calc

. Format ("{0}", dt);//2005-11-5 14:23:23String. Format ("{0:yyyymmddhhmmssffff}", DT);Calculates the number of days difference between 2 dates-----------------------------------------------DateTime dt1 = Convert.datetime ("2007-8-1");DateTime DT2 = Convert.datetime ("2007-8-15");TimeSpan span = dt2. Subtract (DT1);int Daydiff = span. Days + 1;Calculate the number of days of a month in a year---------------

1. Convert bigint type to datetime type --Suppose 1164691264437 is the "datetime" in Java: that is, the number of milliseconds since 1970-01-01 00:00:00 /* GetTime Public Long GetTime () Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date o Bject. Returns: The number

ReproducedTen has threeSource: HTTP://SHIYOUSAN.COM/POST/CA4A6413-ECB4-4237-BAF6-E88E616D18FCPS: This article is mainly about the nullable date type and the conversion between the strings, normal type conversion look at this post: string type conversion to datetime typeA recent project that has been plagued with problems in the past is how to convert a string to

}", dt);//2005-11-5 14:23:23String. Format ("{0:yyyymmddhhmmssffff}", DT);Calculates the difference in the number of days between 2 dates-----------------------------------------------DateTime dt1 = Convert.datetime ("2007-8-1");DateTime DT2 = Convert.datetime ("2007-8-15");TimeSpan span = dt2. Subtract (DT1);int Daydiff = span. Days + 1;Calculate the number of days of the month in a year-------------------

Convert the datetime character string into a date inserted into the oracle date Field, Stringdatestring2014-02-0113: 23: 31; SimpleDateFormatsdfnewSimpleDateFormat (yyyy-MM-ddHH: mm: ss); datesdf. parse (datestring); pstmt. setTimestamp (8, newjava. SQL. timestamp (

(timestamp); Console.WriteLine (DT); Console.readkey ();However, the magical thing happened and the result was shown as follows:　　 No, the time stamp generated above JS is 2016/12/6 pm 11:27:31 (tue Dec 06 2016 23:27:31), that is, the date display is right, but the time is wrong, has been tangled, even suspected is not mistaken JS time The way the stamp is generated, so check the documentation, yes ah, what is the matter? Finally, it occurred t

")). AddDays (-1). ToshortdatestrING (); DateTime comparisonI used the date comparison in the Log digest, I need to compare the time between the post and the current date, if it was released within three days, then I will add the word "new" in front of the log.My previous algorithm is very troublesome, is to convert