how to more than table append in one dataset

Hi
I have post the sample how to more than table append in one dataset

C# Code

  sqlcon.Open();
  SqlCommand sqlcmd = new SqlCommand("Sp_CollectDt", sqlcon);
  sqlcmd.CommandType = CommandType.StoredProcedure;
  sqlcmd.CommandText = "Sp_CollectDt";
  sqladp.SelectCommand = sqlcmd;
  sqladp.Fill(ds);

Sql server Stored Procedure

Create PRoc Sp_CollectDt
as
Select GETDATE()
select GETUTCDATE()
Select * from sys.tables