大数据插入<转>

Code
//创建一个DataTable 
 DataTable myTableProInfoT = new DataTable();
            myTableProInfoT.Columns.Add("proInfo_product_flag", Type.GetType("System.String"));
            myTableProInfoT.Columns.Add("proInfo_infoFlag", Type.GetType("System.String"));
            myTableProInfoT.Columns.Add("proInfo_status", Type.GetType("System.String"));
            myTableProInfoT.Columns.Add("proInfo_infoDescB", Type.GetType("System.String"));
            myTableProInfoT.Columns.Add("proInfo_operator_noA", Type.GetType("System.String"));
            myTableProInfoT.Columns.Add("proInfo_overTime", Type.GetType("System.String"));


//填充数据

      int _iReadNum = 0;
            for (_iReadNum = 0; _iReadNum < allCardList.Count; _iReadNum++)
            {
               

              
                               DataRow myRowProInfoT = myTableProInfoT.NewRow();

                myRowProInfoT["proInfo_product_flag"] = "0001";
                myRowProInfoT["proInfo_infoFlag"] = allCardList[_iReadNum].ToString();
                myRowProInfoT["proInfo_status"] = "3";
                myRowProInfoT["proInfo_infoDescB"] = allBoxList[_iReadNum].ToString();
                myRowProInfoT["proInfo_operator_noA"] = StaticClass.operatorNO;
                myRowProInfoT["proInfo_overTime"] = sailTime;
                myTableProInfoT.Rows.Add(myRowProInfoT);
}
//把DataTable 数据插入到数据库中

        using (SqlConnection destinationConnection = new SqlConnection(connectionString))
                {
                    // open the connection 
                    destinationConnection.Open();

                    using (SqlBulkCopy bulkCopy = new SqlBulkCopy(destinationConnection.ConnectionString))
                    {
                        // column mappings
//对应
                        bulkCopy.ColumnMappings.Add("proInfo_product_flag", "proInfo_product_flag");
                        bulkCopy.ColumnMappings.Add("proInfo_infoFlag", "proInfo_infoFlag");
                        bulkCopy.ColumnMappings.Add("proInfo_status", "proInfo_status");
                        bulkCopy.ColumnMappings.Add("proInfo_infoDescB", "proInfo_infoDescB");
                        bulkCopy.ColumnMappings.Add("proInfo_operator_noA", "proInfo_operator_noA");
                        bulkCopy.ColumnMappings.Add("proInfo_overTime", "proInfo_overTime");                        
//插入的表名
                        bulkCopy.DestinationTableName = "proInfo_t";
                        bulkCopy.WriteToServer(myTableProInfoT);
                    }
                }

原文地址: http://www.cnblogs.com/sail/archive/2009/07/21/1527865.html