convert datetime to long

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

C # common Datetime skills, C # common skills // TodayDateTime. Now. Date. tow.datestring ();// Subtract one from yesterday, that is, today's dateDateTime. Now. AddDays (-1). tow.datestring ();// Tomorrow, similarly, add oneDateTime. Now. AddDays (1)

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

Convert (, 120) 100 or 0 mon dd yyyy hh: miam (or PM) 101mm/DD/yy 102 yy. mm. DD 103 dd/mm/yy 104 DD. mm. YY 105 DD-mm-yy 106 dd mon YY 107 mon DD, YY 108 hh: mm: SS 109 or 9 Mon dd yyyy hh: MI: SS: mmmam (or pm) 110mm-dd-yy 111 YY/MM/DD 112 yymmdd 1

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

// Today Datetime. Now. Date. tow.datestring (); // Yesterday, that is, one minus today's date Datetime. Now. adddays (-1). tow.datestring (); // Tomorrow, similarly, add one Datetime. Now. adddays (1). tow.datestring (); // This Week (

In SQL Server, I often need to perform some time-type field conversions, but I don't quite remember it. So I collected the following sqlserverconvert datetime-related materials and posted them on my site, it is convenient for you to search for it

// Some optional date ranges (for example) are preset for users when making reports or queries) // Such as annual sales, quarterly profit, and new customers this month // The built-in datetime in C # can basically implement these functions. The

From: http://www.cnblogs.com/lema/archive/2012/11/27/2790599.html // Today Datetime. Now. Date. tow.datestring (); // Yesterday, that is, one minus today's date Datetime. Now. adddays (-1). tow.datestring (); // Tomorrow, similarly, add

The DateTime class is used in. NET to process time-type data.First, the fieldMaxValue represents the maximum possible value for a DateTime. This field is read-only.MinValue represents the minimum possible value for a DateTime. This field is