DataTable object converted to JSON string

 <summary>///DataTable object converted to JSON string///</summary>//<param name= "DT" >&lt            ;/param>//<returns></returns> public static string ToJson (this DataTable dt) {            JavaScriptSerializer JavaScriptSerializer = new JavaScriptSerializer (); Javascriptserializer.maxjsonlength = Int32.MaxValue;            Obtain the maximum value ArrayList ArrayList = new ArrayList (); foreach (DataRow datarow in dt.  Rows) {dictionary<string, object> Dictionary = new dictionary<string, object> (); Instantiate a parameter set of foreach (DataColumn DataColumn in dt. Columns) {dictionary. ADD (Datacolumn.columnname, Datarow[datacolumn.columnname]. ToString ().                Trim ()); } arraylist.add (dictionary);  Add a key value to the ArrayList collection} return Javascriptserializer.serialize (arrayList); Returns a JSON string}

　　

DataTable object converted to JSON string