无法在WP VB.NET中找到正确，左侧和中间的字符串结尾 [英] Unable to finde string finctions like right, left and mid in WP VB.NET

问题描述

我正在开发一个Windows手机应用程序，需要一些 string 操作。但它仍然非常难 我为找到正确的代码，我也试过
 
  Microsoft.Visualbasic  
 
但没有任何内容。 
 
 让假设我有两个 string 变量
 
  Dim var1  as   String  =   123456789 
 
 Dim var2  as  字符串 
  
 
现在我正在尝试
 
  var1 =（做一些 var ） 
 
我需要
 
     var  =  456   
 
感谢  advance 

我尝试过：



我正在尝试所有字符串函数，如format，substring，copyto等，但没有什么是有用的，

Microsoft.visualbasic没有这样的。

解决方案

尝试：

  Dim  var1  as  String =   123456789 
  Dim  var2  as  字符串 = var1.Substring（ 3 ， 3 ）

I am developing a windows phone app which requires some string manipulation. but its still really hard for me to find proper code for that, I also tried

Microsoft.Visualbasic

but nothing there.

let suppose I have two string variables

Dim var1 as String="123456789"

Dim var2 as String


now I am trying

var1=(Do something with var)

I need 

var=456

 thanks in advance

What I have tried:

I am trying all string function like format, substring, copyto and others, but nothing is helpful,
Microsoft.visualbasic has nothing like this.

解决方案

Try:

Dim var1 as String="123456789"
Dim var2 as String = var1.Substring(3, 3)

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