请帮忙将以下C语言代码转换为VB.NET代码，谢谢！

Option Explicit On

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Option Strict On

Imports System

Module Program

Sub Main()

Dim y,m,t As Integer

begin:

' 输入数据时一行一个

y=CInt(Console.ReadLine())

m=CInt(Console.ReadLine())

t=CInt(Console.ReadLine())

If y100 Then

y=y+2000

End If

If y1916 OrElse m200 Then

Console.WriteLine("ERROR")

goto begin

End If

pr(y,m,t)

Console.Write("Press any key to continue . . . ")

Console.ReadKey(True)

End Sub

Function pr(y As Integer,m As Integer,t As Integer) As Integer

Dim ye,[Me],i As Integer

ye=CInt((m+t-2)/12+y)

[Me]=(m+t-2) Mod 12+1

Console.WriteLine(" {0}-{1} ~ {2}-{3}",y,m,ye,[Me])

ye=y

[Me]=m

For i=0 To t-1

prmonth(ye,[me])

[Me]=[Me]+1

If [Me]12 Then

ye=ye+1

[me]=1

End If

Next

Return 0

End Function

Function yam(y As Integer,m As Integer) As Integer

Dim st As String()={"未定义","一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"}

Console.WriteLine(" {0} {1}",y,st(m))

Console.WriteLine("----------------------------")

Return 0

End Function

Function ryear(y As Integer) As Integer

If 0=y Mod 400 OrElse (0y Mod 100 AndAlso 0=y Mod 4) Then

Return 1

Else

Return 0

End If

End Function

Function mday(y As Integer,m As Integer) As Integer

Dim day As Integer()={0,31,28,31,30,31,30,31,31,30,31,30,31}

Dim ad As Integer=0

If 2=m Then

ad=ryear(y)

End If

Return day(m)+ad

End Function

Function monday(y As Integer,m As Integer) As Integer

Dim md As Integer=6

Dim i,daynum As Integer

For i=1916 To y-1

daynum=365+ryear(i)

md=(md+daynum) Mod 7

Next

For i=1 To m-1

md=(md+mday(y,i)) Mod 7

Next

Return md

End Function

Function prmonth(y As Integer,m As Integer) As Integer

Dim md As Integer=monday(y,m)

Dim daysnum As Integer=mday(y,m)

Dim days As Integer=daysnum+md

Dim i As Integer

yam(y,m)

Console.Write(" 日 一 二 三 四 五 六")

For i=0 To days-1

If 0=i Mod 7 Then

Console.WriteLine()

Console.WriteLine()

Console.Write(" ")

End If

If i-md=0 Then

Console.Write(" {0,2}",i-md+1)

Else

Console.Write(" ")

End If

Next

Console.WriteLine()

Console.WriteLine()

Return 0

End Function

End Module

vb.net中的数据强制转化问题，谁帮我把这段C#转化为VB.net的语言

强制类型转换在VB.NET中用Ctype()函数实现的。

Dim drv As DataRowView = CType(comboBox1.SelectedItem, DataRowView)

另外：comboBox1.SelectedItem 不是 string 类型，而是 object 类型。ComboBox 下拉显示文字是通过调用 Object.ToString() 方法实现的。

C语言转换为VB.NET

Option Explicit On

Option Strict On

Imports System

Module Program

Sub Main()

Dim y,m,t As Integer

begin:

' 输入数据时一行一个

y=CInt(Console.ReadLine())

m=CInt(Console.ReadLine())

t=CInt(Console.ReadLine())

If y

200 Then

Console.WriteLine("ERROR")

goto begin

End If

pr(y,m,t)

Console.Write("Press any key to continue . . . ")

Console.ReadKey(True)

End Sub

Function pr(y As Integer,m As Integer,t As Integer) As Integer

Dim ye,[Me],i As Integer

ye=CInt((m+t-2)/12+y)

[Me]=(m+t-2) Mod 12+1

End If

End Function

Function mday(y As Integer,m As Integer) As Integer

Dim day As Integer()={0,31,28,31,30,31,30,31,31,30,31,30,31}

Dim ad As I

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