/// <summary>
        /// 将List集合 转换成 DataTable
        /// </summary>
        /// <param name="entitys">sellerSearchDealList是我自己定义的一个类</param>
        public static DataTable ListToTable(List<object> entitys)
        { 
            DataTable dtresult = new DataTable();
            if (entitys == null || entitys.Count < 1)
            { 
                throw new Exception("空");
            }
            else
            { 
                PropertyInfo[] propertys = entitys[0].GetType().GetProperties();
                foreach (PropertyInfo pi in propertys)
                { 
                    dtresult.Columns.Add(pi.Name, pi.PropertyType);
                }

                for (int i = 0; i < entitys.Count; i++)
                { 
                    ArrayList tenpList = new ArrayList();
                    foreach (PropertyInfo pi in propertys)
                    { 
                        object obj = pi.GetValue(entitys[i], null);
                        tenpList.Add(obj);
                    }
                    object[] array = tenpList.ToArray();
                    dtresult.LoadDataRow(array, true);
                }
            }
            return dtresult;
        }

本文地址:https://blog.csdn.net/weixin_40362806/article/details/108992669