Hi,
you can try this one.
DataTable dt = new DataTable();
dt.Columns.Add("Value1", typeof(string));
dt.Columns.Add("Value2", typeof(string));
dt.Rows.Add("viprat", 7);
dt.Rows.Add("Test2", 5);
dt.Rows.Add("abcd", 2);
DataView dv = new DataView(dt);
dv.Sort = "Value1 ASC, Value2 DESC";