改善应用程序的性能

 

 1 foreach (EventLog log  in  logList)
 2 {
 3CreateEventLog(log);
 4}
 5
 6  CreateEventLog(EventLog eventLog)
 7    {
 8            SqlConnection conn = new SqlConnection(ConnectionString);
 9            SqlHelper.MakeOutParam(cmd, "@ID", SqlDbType.Int, 4);
10            ……
11}
12                                              |
13                                              |     
14                                              |
15
16 CreateEventLogList(List < EventLog >  eventLogList)
17 {
18            SqlConnection conn = new SqlConnection(ConnectionString);
19            SqlCommand cmd = SqlHelper.PrepareCommand("usp_EventLog_Create", conn, CommandType.StoredProcedure);
20               ……
21                conn.Open();
22                    foreach (EventLog log in eventLogList)
23                    {
24                   cmd.Parameters.Clear();
25                 SqlHelper.MakeInParam(cmd, "@Category", SqlDbType.NVarChar, 20, log.Category);
26                    ……
27                     }
28}         
29                                              |
30                                              |     
31                                              |
32
33 CreateEventLogList(List < EventLog >  eventLogList)
34 {
35            SqlConnection conn = new SqlConnection(ConnectionString);
36            SqlCommand cmd = SqlHelper.PrepareCommand("usp_EventLog_Create", conn, CommandType.StoredProcedure);
37            SqlHelper.MakeInParam(cmd, "@Category", SqlDbType.NVarChar, 20, DBNull.Value);
38            ……
39             conn.Open();
40                    foreach (EventLog eventLog in eventLogList)
41                    {
42                        cmd.Parameters["@Category"].Value = eventLog.Category;
43                    ……
44                     }
45}         
46                                        
47