SqlParameter 事务 批量数据插入

 1  SqlCommand cmd;
 2         HelpSqlServer helps = new HelpSqlServer();
 3         //定义SqlParameter数组
 4         SqlParameter[] param = new SqlParameter[4];
 5 
 6 
 7         protected void Page_Load(object sender, EventArgs e)
 8         {
 9             var strsql = "";
10             for (int i = 0; i < 4; i++)
11             {
12                 strsql += "insert into  Questions(PID) values";
13                 strsql += "(@PID" + i + ");";
14 
15                 param[i] = new SqlParameter("@PID" + i + "", SqlDbType.UniqueIdentifier);
16                 param[i].Value = Guid.NewGuid();
17 
18             }
19 
20             using (SqlConnection conn = new SqlConnection(HelpSqlServer.ConnectionString))
21             {
22                 cmd = new SqlCommand(strsql, conn);
23 
24 
25                 conn.Open();
26                 SqlTransaction transaction = conn.BeginTransaction();
27 
28                 cmd.Transaction = transaction;
29                 foreach (SqlParameter para in param)
30                 {
31                     cmd.Parameters.Add(para);
32                 }
33 
34                 try
35                 {
36                     cmd.ExecuteNonQuery();
37                     transaction.Commit();
38                 }
39                 catch
40                 {
41                     transaction.Rollback();
42                 }
43             }
44 
45         }