VB.Net 使用 DateTimePicker 计算周数

Question

我有一个 DateTimePicker：DateTimePicker1 和一个文本框：Textbox3

当我 select 从 DateTimePicker1 开始的日期要查看日期的周数时，我该怎么办？？？？

Answer 1

添加

Imports System
Imports System.Globalization
Imports System.Threading

和

TextBox4.Text = CultureInfo.InvariantCulture.Calendar.GetWeekOfYear(DateTimePicker1.Text, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday)

VB.Net Calculate Week Number with DateTimePicker