convert string to datetime

This article mainly introduces the datetime module in the python time module. The interface of the datetime module is more intuitive and easier to call, if you want to know about the datetime module, you can refer to Python to provide multiple built-

First, review the syntax format of CONVERT (): convert ([length], [, Style]) Second, here pay attention to the meaning of style: style is the conversion of datatime and smalldatetime data to a string by the SQL Server system provided by the

A. A review of the syntax format of CONVERT (): convert ([length], [, Style]) second, here is a note of the meaning of style: style is the conversion style number that is provided by the SQL Server system when converting Datatime and smalldatetime

// 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.

// 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 (

// 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 (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting

// 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