Set MVC3 parameters to default if empty or null in controller

Question

I am struggling to default CId and SId to 1 if the parameters are empty,

  public ViewResult Index(int? CId,int?SId,string name,int? p)
    {

        if (CId == 0 || SId == 0)
        {
            CId = 1;
            SId = 1;
        }

Then I will use the values for a normal query. Thanks for any help

Answer 1

Cid and Sid is Nullable , so you can use HasValue property to check if the variable has value or not (null)

  public ViewResult Index(int? CId,int?SId,string name,int? p)
  {
        if (!CId.HasValue || !SId.HasValue)
        {
            CId = 1;
            SId = 1;
        }
  }

Answer 2

Just curious but have you tried:

public ViewResult Index(string name,int? p,int? CId = 1,int? SId = 1)
    {


    }

You have to rearrange them, because the default valued parameters have to come last. Also, being that they're nullable, I'm not actually sure if this will work.