为什么要使用Convert.ToInt32? [英] Why use Convert.ToInt32?

问题描述

因此，我在使用命令提示符计算器时遇到了我不理解的问题.这是我的代码:

 
静态void Add()
       {
                       int x，y; 
           Console.Write(输入第一个数字:"); 
 x = Console.Read(); 
          Console.WriteLine(输入第二个数字:"); 
 y = Console.Read(); 
解决方案
 
 
 Hi 
<身体>

 


严重程度


 

 


代码

 

 


说明

 

 


项目

 

 


文件

 

 


行

 

 


抑制状态

 



 


错误

 

 


 CS0029 

 

 


 无法将类型'string'隐式转换为'int' 

 

 


 Expression_Evaluator 

 

 


 D:\ C#Repro \ Winform \ ListViewDemo \ Expression_Evaluator \ Program.cs 

 

 


 16 

 

 


有效

 




使用它后，此方法将帮助您将字符串转换为int.有关更多详细信息，请参阅
 https://msdn.microsoft.com/en-us/library/sf1aw27b (v = vs.110).aspx  
最诚挚的问候，
克里斯汀
 
 
 
So I was working on a command prompt calculator and ran into a problem I don't understand. Here is my code:
static void Add()
        {
            int x, y;
            Console.Write("Enter first number: ");
            x = Console.Read();
            Console.WriteLine("Enter Second number: ");
            y = Console.Read();
解决方案
Hi 
Ike Nwaogu,
Convert.ToInt32 Method converts the specified string representation of a number to an equivalent 32-bit signed integer.

 
Based on your code, if you don't use Convert.ToInt32, there is a build error as following.







Severity






Code






Description






Project






File






Line






Suppression State








Error






CS0029






Cannot implicitly convert type 'string' to 'int'






Expression_Evaluator






D:\C# Repro\Winform\ListViewDemo\Expression_Evaluator\Program.cs






16






Active






After you use it, this method will help you convert string to int. For more details, please refer to
https://msdn.microsoft.com/en-us/library/sf1aw27b(v=vs.110).aspx
Best regards,
Kristin 


                        
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