load data table to array

I have a sql table .I want load my table content into a data table dt .Add my data table content into an array and my array(tablearray) into a dictionary (lst).At last i return my dictionary .Here my code .I don't know How to add my array into dictionary? please help me to solve this problem.

1. [System.Web.Services.WebMethod]  
2. public static  Dictionary< string, object> Load()    
3.   {    
4.           string sql = "SELECT Name,Marks FROM table4";    
5.   using (SqlConnection Connection = newSqlConnection((@"myconnstrng")))    
6.           {    
7.  using (SqlCommand myCommand = new SqlCommand(sql,Connection))    
8.               {    
9.                   Connection.Open();    
10.          using (SqlDataReader myReader = myCommand.ExecuteReader())    
11.                   {    
12.                       DataTable dt = new DataTable();    
13.                       dt.Load(myReader);    
14.                       Connection.Close();    
15.                       var tableEnumerable = dt.AsEnumerable();    
16.                       var tableArray = tableEnumerable.ToArray();    
17.         Dictionary<string, object> lst = new Dictionary<string, object>();    
18.                          
19.                     return lst;    
20.                      }    
21.                 }    
22.              }    
23.   }