SqlParameter 事宜 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                 try35                 {36                     cmd.ExecuteNonQuery();37                     transaction.Commit();38                 }39                 catch40                 {41                     transaction.Rollback();42                 }43             }44 45         }