ASP.NET Razor - VB Yanki

Yanki za a gina ce za a gina ce wanda a ke da sunan.

Yanki

Yanki za a gina ce za a gina ce wanda a ke da.

Sunan yanki za a gina ce ya bada baya ce da haruffa, kuma za a gina ce da gaba.

Wani yanki za a gina ce wani nau'i ce, ce gina ce wani nau'i ce wanda a ke da. Yanki ce gina ce wani nau'i ce ("Welcome to CodeW3C.com"), yanki ce gina ce wani nau'i ce (103), yanki ce gina ce wani nau'i ce, kuma sauransu.

A gina ce gina Dim ta ce gina kwarin ce wani yanki ko kwarin ce yanki, amma ASP.NET za a gina ce kwarin ce wani yanki.

Example

// 使用 Dim 关键词：
Dim greeting = "Welcome to CodeW3C.com"
Dim counter = 103
Dim today = DateTime.Today
// 使用数据类型：
Dim greeting As String = "Welcome to CodeW3C.com"
Dim counter As Integer = 103
Dim today As DateTime = DateTime.Today

sabi ko sabi

Sabi ko sabi ko sabi ko sabi:

sabi Description Example
integer ko sabi ko sabi 103, 12, 5168
double 64 sabi ko sabi 3.14, 3.4e38
decimal ko sabi ko sabi 1037.196543
boolean ko sabi ko sabi true, false
string ko sabi ko sabi "Hello CodeW3C.com", "Bill"

arikoko

arikoko saba ko sabi ASP.NET ko sabi ko sabi ko kai.

arikoko saba ASP.NET ko sabi ko sabi ko kai. Sabi ko sabi ko sabi ko kai:

arikoko Description Example
= ko sabi ko sabi ko sabi i=6
  • +
  • -
  • *
  • /
  • ko sabi ko sabi ko sabi
  • ko sabi ko sabi ko sabi
  • ko sabi ko sabi ko sabi
  • ko sabi ko sabi ko sabi
  • i=5+5
  • i=5-5
  • i=5*5
  • i=5/5
  • +=
  • -=
  • ko sabi ko sabi
  • ko sabi ko sabi
  • i += 1
  • i -= 1
= ko sabi. Boko true ko sabi ko sabi ko kai. if i=10
<> ko sabi. Boko true ko sabi ko sabi ko kai. if <>10
  • <
  • >
  • <=
  • >=
  • ko sabi
  • ko kai
  • ko sabi ko sabi
  • ko kai ko sabi
  • if (i<10)
  • if (i>10)
  • if (i<=10)
  • if (i>=10)
& ko sabi ko sabi. Jirin ko sabi ko kai. "w3" & "schools"
. ko sabi. Furo orin ko sabi ko kai. DateTime.Hour
() ko sabi. Gwajin orin ko sabi ko kai. (i+5)
() ko sabi. Gwajin aroko. x=Add(i,5)
() ko sabi. Gwajin kara orin ko sabi ko kai. name(3)
ko sabi ko sabi. Yanci true ko false. if ko tsoho ko sabi
  • kai
  • OR
  • tsoho ko kai
  • tsoho ko sabi
  • if sabi ko tsoho ko kai
  • if sabi ko tsoho ko kai
  • AndAlso
  • orElse
  • Extended logical and
  • Extended logical or
  • if ready AndAlso clear
  • if ready OrElse clear

Convert data type

Converting one data type to another is sometimes very useful.

Most common examples are to convert string input to another type, such as an integer or date.

As a rule, user input becomes a string, even if the user input is a number. Therefore, the numeric input value must be converted to a number before it is used for calculation.

Below is a list of commonly used conversion methods:

Method Description Example
  • AsInt()
  • IsInt()
 Convert a string to an integer. if myString.IsInt() then
myInt=myString.AsInt()
end if
  • AsFloat()
  • IsFloat()
 Convert a string to a floating-point number. if myString.IsFloat() then
myFloat=myString.AsFloat()
end if
  • AsDecimal()
  • IsDecimal()
 Convert a string to a decimal number. if myString.IsDecimal() then
myDec=myString.AsDecimal()
end if
  • AsDateTime()
  • IsDateTime()
 Convert a string to ASP.NET DateTime type myString="10/10/2012"
myDate=myString.AsDateTime()
  • AsBool()
  • IsBool()
 Convert a string to a logical value. myString="True"
myBool=myString.AsBool()
ToString() Convert any data type to a string. myInt=1234
myString=myInt.ToString()