I'm confused. Method signature says it returns a DataTable, but ds is defined a meycotestDataSet?

>Here's a newbie question
>
>I'm using strongly typed dataset I can use intellisense to access the columns nicely as long as I do it in the method that
>creates the dataset, as follows:
>
>
>

>  public DataTable EstablishBlankCustomerData()
>    {
>      meycotestDataSet ds = new meycotestDataSet();
>      ds.arcust.Rows.Clear();
>      ds.arcust.Rows.Add();
>      ds.arcust[0].country = "USA";
>      ds.arcust[0].currency = "USD";
>      ds.arcust[0].nocable = "N";
>      ds.arcust[0].nopump = "N";
>      ds.arcust[0].oringsvssnaps = "N";
>      ds.arcust[0].quomeycolite = "N";
>      ds.arcust[0].quoruggedmesh = "N";
>      ds.arcust[0].quosoliddrain = "N";
>      ds.arcust[0].quosolidpump = "N";  
>      return ds.arcust;     
>    }
>
>

>
>
>I can't figure out how to get intellisense to work when I access the dataset outside that method.
>
>I tried returning the dataset but that doesn't seem to work
>
>Am I missing something?