ATUL_v1.Atul_v1Data.GetAllProcessSubProcessActivity C# (CSharp) Method

        public DataTable GetAllProcessSubProcessActivity()
        {
            SqlCommand cmd = new SqlCommand("exec dbo.Atul_ProcessSubprocessGet_sp", this._connection);
            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = cmd;
            DataTable returnTable = new DataTable(); returnTable.TableName = "atultblProcessSubProcessActivity";
            da.Fill(returnTable);
            return returnTable;
        }

 /// <summary>
 /// Gets all process sub process activity.
 /// TODO: New proc needed to get a subprocess's activities
 /// </summary>
 /// <returns></returns>        
 public string GetAllProcessSubProcessActivity()
 {
     DataTable returnTable = new DataTable();
     Atul_v1Data adb = new Atul_v1Data();
     returnTable = adb.GetAllProcessSubProcessActivity();
     return JsonMethods.GetJSONString(returnTable);
 }