C# array size not defined by integer variable -

namespace oo_assign_2_edepot_ {     public partial class driver     {         int driver_size = 1;         public string[] d_username = new string[driver_size] {"john"};              public string[] d_password = new string[driver_size] { "pass1" };     } } 

driver.size not recognized variable size in arrays

choose one:

public partial class driver  {      int driver_size = 1;      // set size     public string[] d_username = new string[driver.size];      // set value     public string[] d_password = new string[] { "pass1" };  }