//----------Linq to DataSet数据源----------------------------------------
var query = from row in dataTable.Rows.Cast<DataRow>()
where Convert.ToString(row["Name"]).StartsWith("D")
select new
{
Id=int.Parse(row["Id"].ToString()),
Name=row["Name"].ToString(),
Age = int.Parse(row["Age"].ToString())
};
listView1.ItemsSource = query;
