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TimeSpan yog dab tsi hauv VB net?
TimeSpan yog dab tsi hauv VB net?

Video: TimeSpan yog dab tsi hauv VB net?

Video: TimeSpan yog dab tsi hauv VB net?
Video: Niam tais hlwb ntau 11/19/2020 2024, Kaum ib hlis
Anonim

Siv TimeSpan los qhia txog lub sij hawm nyob rau hauv hnub, teev, thiab lwm yam units. TimeSpan sawv cev rau lub sijhawm. Nrog nws peb siv tus tswv tsev ntawm tus pab cuam ua haujlwm kom tswj lub sijhawm yooj yim dua. Qhov no ua rau kom yooj yim dua, txhim khu kev qha VB . NET cov kev pab cuam uas ua raws li lub sij hawm sawv cev.

Raws li txoj cai, koj siv TimeSpan li cas?

TimeSpan yog siv kom tau txais lub caij nyoog ntawm ob qhov txiaj ntsig DateTime. Koj tuaj yeem tau txais qhov sib txawv ntawm lub sijhawm TimeSpan , Hnub, Teev, feeb, Seconds, Milliseconds, Ticks. // Rov qab lub sijhawm nruab hnub. Console.

Tom qab ntawd, lo lus nug yog, Kuv yuav suav hnub li cas ntawm ob hnub hauv VB net? Suav Cov Hnub Nyoog Ntawm Ob Hnub Thiab Tso Tawm Hnub hauv VB. NET

  1. Dim dt1 As DateTime = Convert. ToDateTime(DateTimePicker1. Value. ToString("dd/MM/yyy"))
  2. Dim dt2 As DateTime = Convert. ToDateTime(DateTimePicker2. Value. ToString("dd/MM/yyy"))
  3. '' suav tag nrho hnub ntawm koj hnub xaiv.
  4. Dim ts As TimeSpan = dt2. Subtract(dt1)
  5. Yog Convert. ToInt32(ts. Days) >= 0 Ces.
  6. For index = 0 To ts. Days.

Piv txwv li, TimeSpan yog dab tsi?

1. lub sij hawm ntawm ob qhov xwm txheej lossis lub sijhawm uas muaj kev tshwm sim txuas ntxiv mus. a lub sijhawm ntawm kaum mus rau kaum tsib xyoos.

Kuv yuav txuag TimeSpan hauv SQL Server li cas?

Txij li thaum koj tsis tuaj yeem khaws TimeSpan ntau dua 24 teev hauv lub sijhawm sql datatype teb; ob peb lwm txoj kev xaiv yuav yog

  1. Siv varchar(xx) khaws ToString ntawm TimeSpan.
  2. Siv hnub thib ob, hnub tim lossis hnub tim offset, uas khaws cov txiaj ntsig ntawm thawj hnub + sijhawm.

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