DataTable dt = 

new DataTable();

            

if (Cache[

"

mytablecache

"] == 

null)

            {

                

using (SqlConnection con = 

new SqlConnection(

"

Data Source=.;Initial Catalog=LocalDB;Integrated Security=True

"))

                {

                    con.Open();

                    SqlDataAdapter adapter = 

new SqlDataAdapter(

"

SELECT top 100 * FROM [Money_CostDetail]

", con);

                    adapter.Fill(dt);

                }

                Cache.Insert(

"

mytablecache

", dt, 

null, DateTime.UtcNow.AddMinutes(

1), TimeSpan.Zero);

            }

            

else

            {

                dt = Cache[

"

mytablecache

"] 

as DataTable;

            }