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  • Begin End在oracle数据库中批量操作应用

    oracle批量操作:

    语法begin end

    上代码:

    UPDATE_IS_DEFLUAT
    1   public static string UPDATE_IS_DEFLUAT = " UPDATE NEORULE SET ISDEFAULT=:ISDEFAULT{0} WHERE ID=:ID{0}";
    前台代码
     1  Dictionary<string, string> dict = new Dictionary<string, string>();
     2         if (this.gv_Menu.Rows.Count <= 0) { return; }
     3         for (int i = 0; i < this.gv_Menu.Rows.Count; i++)
     4         {
     5             HiddenField hidId = (HiddenField)this.gv_Menu.Rows[i].FindControl("hidId");
     6             HiddenField hidDefault = (HiddenField)this.gv_Menu.Rows[i].FindControl("hidDefault");
     7             CheckBox cbDefault = (CheckBox)this.gv_Menu.Rows[i].FindControl("chDefault");
     8             dict.Add(hidId.Value, cbDefault.Checked ? "T" : "F");
     9         }
    10 
    11         bll.UpdateIsDefault(dict);
    BLL
     1  public static string UPDATE_IS_DEFLUAT = " UPDATE NEORULE SET ISDEFAULT=:ISDEFAULT{0} WHERE ID=:ID{0}";
     2       #region 批量操作数据库
     3         /// <summary>
     4         /// 批量操作数据库
     5         /// </summary>
     6         /// <param name="dict"></param>
     7         /// <returns></returns>
     8         public bool UpdateIsDefault(Dictionary<string, string> dict)
     9         {
    10             OracleParameter[] completeParms = new OracleParameter[dict.Count * 2];
    11             StringBuilder query = new StringBuilder();
    12             int index = 0;
    13             int i = 0;
    14             query.Append("BEGIN ");
    15             foreach (KeyValuePair<string, string> item in dict)
    16             {
    17                 completeParms[index] = new OracleParameter(":ISDEFAULT" + i, item.Value);
    18                 index = index + 1;
    19                 completeParms[index] = new OracleParameter(":ID"+i,item.Key);
    20                 index = index + 1;
    21                 query.Append(string.Format(UPDATE_IS_DEFLUAT,i));
    22                 query.Append(";");
    23                 i = i + 1;
    24             }
    25             query.Append("End;");
    26             return dal.UpdateIsDefaultByID(query.ToString(), completeParms);
    27         }
    28         #endregion
     1  public bool UpdateIsDefaultByID(string query,OracleParameter[] param)
     2         {
     3            
     4             using (OracleConnection con =new OracleConnection(ConnectionString))
     5             {
     6                 con.Open();
     7                 using (OracleTransaction tran=con.BeginTransaction())
     8                 {
     9                     try
    10                     {
    11                         OracleCommand cmd = con.CreateCommand();
    12                         cmd.CommandText = query;
    13                         cmd.Transaction = tran;
    14                         cmd.Parameters.AddRange(param);
    15                         cmd.ExecuteNonQuery();
    16                         tran.Commit();
    17                         return true;
    18                     }
    19                     catch (Exception ex)
    20                     {
    21                         tran.Rollback();
    22                         log.Error(ex.Message,ex);
    23                         return false;
    24                     }
    25                 }
    26                 
    27             }
    28         }

      

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  • 原文地址:https://www.cnblogs.com/hfliyi/p/2833025.html
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