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  • 实体对象,List泛型 转换为DataTable

            /// <summary>
            /// 实体对象转换DataTable
            /// </summary>
            /// <param name="entity">实体对象</param>
            /// <returns>DataTable</returns>
            public static DataTable GetDataTableByEntity(object entity)
            {
                DataTable dt = new DataTable();
                Type type = entity.GetType();
                dt.TableName = type.Name;
                DataRow dr = dt.NewRow();
                foreach (var p in type.GetProperties())
                {
                    if (!dt.Columns.Contains(p.Name))
                        dt.Columns.Add(p.Name);
                    dr[p.Name] = p.GetValue(entity, null) == null ? "" : p.GetValue(entity, null).ToString();
                }
                dt.Rows.Add(dr);
                return dt;
            }

            /// <summary>
            /// List转换成DataTable
            /// </summary>
            /// <typeparam name="T">实体对象类型</typeparam>
            /// <param name="list">list集合</param>
            /// <returns>DataTable</returns>
            public static DataTable GetDataTableByList<T>(List<T> list)
            {
                DataTable dt = new DataTable();
                foreach (T t in list)
                {
                    DataRow dr = dt.NewRow();
                    Type type = t.GetType();
                    if (String.IsNullOrEmpty(dt.TableName))
                        dt.TableName = type.Name;
                    foreach (var p in type.GetProperties())
                    {
                        if (!dt.Columns.Contains(p.Name))
                            dt.Columns.Add(p.Name);
                        dr[p.Name] = p.GetValue(t, null) == null ? "" : p.GetValue(t, null).ToString();
                    }
                    dt.Rows.Add(dr);
                }
                return dt;
            }

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  • 原文地址:https://www.cnblogs.com/yf2011/p/3978983.html
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