vb.net日期算星期 vb中日期型数据怎么表示

vb.net中怎么根据日期算出是周几呢?Public Function IsRunnian(ByVal n As Integer) As Boolean
Dim res As Boolean
res = False
If n Mod 400 = 0 Then
res = True
End If
If (n Mod 1000) And (n Mod 4 = 0) Then
res = True
End If
IsRunnian = res
End Function
Public Function Fc(ByVal td As Date) As Byte
Dim y As Integer
Dim m As Integer
Dim d As Integer
Dim yc As Integer
【vb.net日期算星期 vb中日期型数据怎么表示】Dim mc As Integer
Dim dc As Integer
y = Year(td)
m = Month(td)
d = Day(td)
dc = d
If IsRunnian(y) Then
mc = Val(Mid("512503514624", m, 1))
Else
mc = Val(Mid("622503514624", m, 1))
End If
yc = ((y Mod 100) \ 4 + (y Mod 100)) Mod 7
Fc = (yc + mc + dc) Mod 7
End Function
vb.net中如何获取当前日期所在星期的星期一1
string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
string week = Day[Convert.ToInt32(DateTime.Now.DayOfWeek.ToString("d"))].ToString();
this.lbDay.Text = week;
2
this.lbDay.Text = System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetDayName(DateTime.Now.DayOfWeek);
vb.net 如何判断今天是星期五If Now.DayOfWeek = DayOfWeek.Friday Then MsgBox("今天是星期五") Else MsgBox("今天不是星期五")
用基于vb的asp.net编写显示当前日期时间和星期几的代码怎么写?急用C#
string [] Day=new string []{"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
Console.WriteLine(Day[Convert.ToInt16(DateTime.Now.DayOfWeek)]);
相信VB.netvb.net日期算星期的vb.net日期算星期你vb.net日期算星期,应该懂vb.net日期算星期的 。
vb.net中如何获取当前日期所在星期的星期一的具体年月日Dim ThisDay As String = Format(Now, "yyyy-MM-dd")'获得当前日期字符串
Dim ThisDateTime As DateTime = Convert.ToDateTime(ThisDay)'当前日期转换成DateTime
Dim ThisWeekDay As Integer = ThisDateTime.DayOfWeek'获得当前日期是星期几
Dim differadd As Integer = 1 - ThisWeekDay'相差的天数(星期1与当前星期几相差的天数)
Dim MyAdd As New TimeSpan(differadd, 0, 0, 0)
Dim MyYear As Integer = Format(Now, "yyyy")'获取当前日期的年份
Dim MyMonth As Integer = Format(Now, "MM")'获取当前日期的月份
Dim MyDay As Integer = Format(Now, "dd")'获取当前日期是几号
Dim MyToday As DateTime = New DateTime(MyYear, MyMonth, MyDay)
Dim Yourday As DateTime = MyToday.Add(MyAdd)
MsgBox("本周星期一的日期是:"Yourday)
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