通常我們使用JavaScriptSerializer或者JSON.NET來序列化一個對象,但對於Datatable來說,其包含的數據比它的可序列化的屬性更重要。
我嘗試把DataRow轉化爲一個Directory對象,然後將每一個Directory對象放入List中,最終生成的是DataRow的數組,代碼如下:
- /// <summary>
- /// DataTable轉爲json
- /// </summary>
- /// <param name="dt">DataTable</param>
- /// <returns>json數據</returns>
- public static string ToJson(DataTable dt)
- {
- List<Dictionary<string, object>> list = new List<Dictionary<string, object>>();
- foreach (DataRow dr in dt.Rows)
- {
- Dictionary<string, object> result = new Dictionary<string, object>();
- foreach (DataColumn dc in dt.Columns)
- {
- result.Add(dc.ColumnName, dr[dc]);
- }
- list.Add(result);
- }
- return SerializeToJson(list);
- }
- /// <summary>
- /// 序列化對象爲Json字符串
- /// </summary>
- /// <param name="obj">要序列化的對象</param>
- /// <param name="recursionLimit">序列化對象的深度,默認爲100</param>
- /// <returns>Json字符串</returns>
- public static string SerializeToJson(this object obj, int recursionLimit = 100)
- {
- JavaScriptSerializer serialize = new JavaScriptSerializer();
- serialize.RecursionLimit = recursionLimit;
- return serialize.Serialize(obj);
- }