|  |  | 
 |  |  |         { | 
 |  |  |             try | 
 |  |  |             { | 
 |  |  |                  | 
 |  |  |                 List<object> columnNameList = new List<object>();  //定义声明变量 ,把通过 new List<object>()创建的 实例,赋值给变量 | 
 |  |  |                 //判断是否有查询权限 | 
 |  |  |                 if (!DBUtility.ClsPub.Security_Log("Cg_POInStockBackBillQuery", 1, false, user)) | 
 |  |  |                 { | 
 |  |  | 
 |  |  |                     string sql = sql1 + sWhere+ " order by hmainid desc"; | 
 |  |  |                     ds = oCN.RunProcReturn(sql, "h_v_IF_POInStockBackBillList"); | 
 |  |  |                 } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |  | 
 |  |  |                  | 
 |  |  |                 foreach (DataColumn col in ds.Tables[0].Columns)//遍历ds中第一个表(Tables[0])的所有列(Columns)每次循环中,col变量会持有当前列的引用 | 
 |  |  |                 { | 
 |  |  |                     Type dataType = col.DataType; //获取当前数据类型传入 自定义变量datadataType | 
 |  |  |                     string ColmString = "{\"ColmCols\":\"" + col.ColumnName + "\",\"ColmType\":\"" + dataType.Name + "\"}"; | 
 |  |  |                     columnNameList.Add(JsonConvert.DeserializeObject(ColmString));//获取到DataColumn列对象的列名 | 
 |  |  |                 } | 
 |  |  |                 //if (ds.Tables[0].Rows.Count != 0 || ds != null) | 
 |  |  |                 //{ | 
 |  |  |                 objJsonResult.code = "1"; | 
 |  |  |                 objJsonResult.count = 1; | 
 |  |  |                 objJsonResult.Message = "Sucess!"; | 
 |  |  |                 objJsonResult.data = ds.Tables[0]; | 
 |  |  |                 //objJsonResult.data = ds.Tables[0]; | 
 |  |  |                 objJsonResult.data = ds.Tables[0];//代码将第一个DataTable(索引为0)赋值给objJsonResult的data属性 | 
 |  |  |                 objJsonResult.list = columnNameList;//将columnNameList赋值给objJsonResult的list属性 | 
 |  |  |                 return objJsonResult; | 
 |  |  |                 //} | 
 |  |  |                 //else |