標籤:++ ase foreach class ret ONBUILD col pre summary
/// <summary> /// dataTable轉換成Json格式 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string ToJson(DataTable dt) { StringBuilder jsonBuilder = new StringBuilder(); jsonBuilder.Append("{\""); jsonBuilder.Append(dt.TableName.ToString()); jsonBuilder.Append("\":["); for (int i = 0; i < dt.Rows.Count; i++) { jsonBuilder.Append("{"); for (int j = 0; j < dt.Columns.Count; j++) { jsonBuilder.Append("\""); jsonBuilder.Append(dt.Columns[j].ColumnName); jsonBuilder.Append("\":\""); jsonBuilder.Append(dt.Rows[i][j].ToString()); jsonBuilder.Append("\","); } jsonBuilder.Remove(jsonBuilder.Length - 1, 1); jsonBuilder.Append("},"); } jsonBuilder.Remove(jsonBuilder.Length - 1, 1); jsonBuilder.Append("]"); jsonBuilder.Append("}"); return jsonBuilder.ToString(); } /// <summary> /// DataSet轉換成Json格式 /// </summary> /// <param name="ds">DataSet</param> /// <returns></returns> public static string ToJson(DataSet ds) { StringBuilder json = new StringBuilder(); foreach (DataTable dt in ds.Tables) { json.Append("{\""); json.Append(dt.TableName); json.Append("\":"); json.Append(ToJson(dt)); json.Append("}"); } return json.ToString(); }
.NET DataTable DataSet轉json代碼