VB.NET日期无效转换

请问我的代码有什么问题

    Dim iYearOld As Integer = 2010
    Dim iYearNow As Integer = 2014

    Dim iAge As Integer
    iAge = DateDiff("y", iYearOld, iYearNow)

错误

“无效转换：参数'Date1'不能转换为日期类型”

有人能帮忙吗？谢谢

请问我的代码有什么问题

    Dim iYearOld As Integer = 2010
    Dim iYearNow As Integer = 2014

    Dim iAge As Integer
    iAge = DateDiff("y", iYearOld, iYearNow)

您正在向需要日期的函数发送整数：

请问我的代码有什么问题

    Dim iYearOld As Integer = 2010
    Dim iYearNow As Integer = 2014

    Dim iAge As Integer
    iAge = DateDiff("y", iYearOld, iYearNow)

您正在向需要日期的函数发送整数：

请问我的代码有什么问题

    Dim iYearOld As Integer = 2010
    Dim iYearNow As Integer = 2014

    Dim iAge As Integer
    iAge = DateDiff("y", iYearOld, iYearNow)

您正在向需要日期的函数发送整数：

请问我的代码有什么问题

    Dim iYearOld As Integer = 2010
    Dim iYearNow As Integer = 2014

    Dim iAge As Integer
    iAge = DateDiff("y", iYearOld, iYearNow)

您正在向需要日期的函数发送整数：

---

错误消息清楚地告诉您出了什么问题

DateDiff

需要2个日期参数，而要传递2个整数

---

错误消息清楚地告诉您出了什么问题

DateDiff

需要2个日期参数，而要传递2个整数

---

错误消息清楚地告诉您出了什么问题

DateDiff

需要2个日期参数，而要传递2个整数

---

错误消息清楚地告诉您出了什么问题

DateDiff

需要2个日期参数，而要传递2个整数

---

第二个渗透计和第三个渗透计的日期不是整数

Dim datTim1 As Date = #1/4/2001#
Dim datTim2 As Date = #1/9/2001#
' Assume Sunday is specified as first day of the week. 
Dim wD As Long = DateDiff(DateInterval.Weekday, datTim1, datTim2)
Dim wY As Long = DateDiff(DateInterval.WeekOfYear, datTim1, datTim2)

---

第二个渗透计和第三个渗透计的日期不是整数

Dim datTim1 As Date = #1/4/2001#
Dim datTim2 As Date = #1/9/2001#
' Assume Sunday is specified as first day of the week. 
Dim wD As Long = DateDiff(DateInterval.Weekday, datTim1, datTim2)
Dim wY As Long = DateDiff(DateInterval.WeekOfYear, datTim1, datTim2)

---

第二个渗透计和第三个渗透计的日期不是整数

Dim datTim1 As Date = #1/4/2001#
Dim datTim2 As Date = #1/9/2001#
' Assume Sunday is specified as first day of the week. 
Dim wD As Long = DateDiff(DateInterval.Weekday, datTim1, datTim2)
Dim wY As Long = DateDiff(DateInterval.WeekOfYear, datTim1, datTim2)

---

第二个渗透计和第三个渗透计的日期不是整数

Dim datTim1 As Date = #1/4/2001#
Dim datTim2 As Date = #1/9/2001#
' Assume Sunday is specified as first day of the week. 
Dim wD As Long = DateDiff(DateInterval.Weekday, datTim1, datTim2)
Dim wY As Long = DateDiff(DateInterval.WeekOfYear, datTim1, datTim2)

---

iyearow-iYearOld

有什么问题？@TimSchmelter-LOL，是的，你是对的，谢谢。无论如何这里出了什么问题？Iyearow-iYearOld有什么问题？@TimSchmelter LOL，是的，你是对的，谢谢。无论如何这里出了什么问题？Iyearow-iYearOld有什么问题？@TimSchmelter LOL，是的，你是对的，谢谢。无论如何这里出了什么问题？Iyearow-iYearOld有什么问题？@TimSchmelter LOL，是的，你是对的，谢谢。无论如何这里有什么问题？