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C#多条件查出来的多个DataSet,然后循环将数据整合

2019年04月25日  | 移动技术网IT编程  | 我要评论

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        private list<string> barlist;
        public list<string> barlist
        {
            get { return barlist; }
            set { barlist = value; }
        }

   dataset dt = new dataset();
      dataset dt2 = null;
                foreach (string data  in  help.barlist )
                {
                    dt = dboperatorstd.getdataset("select  xxx from xxx where xxx='" + data + "'");
                    if (dt2 == null)
                    {
                        dt2 = dt.copy();
                    }
                    else
                    {
                        foreach (datarow dtrow in dt.tables[0].rows)
                        {
                            datarow m_nrow = null;
                            m_nrow = dt2.tables[0].newrow();
                            foreach (datacolumn dccol in dt2.tables[0].columns)
                            {
                                m_nrow[dccol.columnname] = dtrow[dccol.columnname];
                            }
                            dt2.tables[0].rows.add(m_nrow);
                        }
                    }
                }

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