C＃隨機是在foreach

Question

產生相同的價值我想在每個重複foreach環

@foreach (var item in Model) 
     { 
      Random r = new Random(); 
      int s = r.Next(0, 5);            
      <span>@(s)</span>     
     } 

的隨機數，但我得到相同的值，而不是隨機值。

Answer 1

Random r = new Random(); 

@foreach (var item in Model) 
     { 
      int s = r.Next(0, 5);            
      <span>@(s)</span>     
     }