我目前用类似下面代码片段的方式来填充业务对象。
using (SqlConnection conn = new SqlConnection(Properties.Settings.Default.CDRDatabase))
{
using (SqlCommand comm = new SqlCommand(SELECT, conn))
{
conn.Open();
using (SqlDataReader r = comm.ExecuteReader(CommandBehavior.CloseConnection))
{
while (r.Read())
{
Ailias ailias = PopulateFromReader(r);
tmpList.Add(ailias);
}
}
}
}
private static Ailias PopulateFromReader(IDataReader reader)
{
Ailias ailias = new Ailias();
if (!reader.IsDBNull(reader.GetOrdinal("AiliasId")))
{
ailias.AiliasId = reader.GetInt32(reader.GetOrdinal("AiliasId"));
}
if (!reader.IsDBNull(reader.GetOrdinal("TenantId")))
{
ailias.TenantId = reader.GetInt32(reader.GetOrdinal("TenantId"));
}
if (!reader.IsDBNull(reader.GetOrdinal("Name")))
{
ailias.Name = reader.GetString(reader.GetOrdinal("Name"));
}
if (!reader.IsDBNull(reader.GetOrdinal("Extention")))
{
ailias.Extention = reader.GetString(reader.GetOrdinal("Extention"));
}
return ailias;
}
有没有人有关于如何提高这种情况下性能的建议?请注意,对于某些类型,PopulateFromReader包含更多的数据库查找以完全填充对象。