C# 构造一次插入多条数据的SQL语句 no

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 1 StringBuilder sb = new StringBuilder();
 2             if (arrService.Length > 0)
 3             {
 4                 for (int i = 0; i < arrService.Length; i++)
 5                 {
 6                     if (string.IsNullOrEmpty(sb.ToString()))
 7                     {
 8                         sb.AppendFormat("INSERT INTO [SM_PackageEntry] select '{0}','{1}','{2}' ", servicePackageID, arrService[i][0], arrService[i][1]);
 9                     }
10                     else
11                     {
12                         sb.AppendFormat(" UNION ALL  select '{0}','{1}','{2}'", servicePackageID, arrService[i][0], arrService[i][1]);
13                     }
14                 }
15                 //执行SQL
16                 SqlHelper.ExecuteSql(sb.ToString());
17                 sb.Clear();//清空SQL
18             }