c# - Error when inserting multiple json string -

this code work can can insert 1 json string sql db. if json string multiple insert 1 json string, error

usp_insert_schedule has many arguments specified.

can give me links of tutorial or guide me @ least.

using newtonsoft.json;  //object root public class jobt {     public string empid { get; set; }     public string status { get; set; } }  private void insrt_jstring() {     iscedule isc = new iscedule();      //sql stored proc     string query = isql.stored_procedure_sch_add;      //sql class insert     iemp usr = new iemp(query);      string barc =  txtbarcode.text.trim(' ');     string ddate = isc.get_date();      //http://get w/ barc & ddate param     string input = isc.jvalue(barc, ddate);     string input = @"{""empid"":""b14"",""status""}{""empid"":""b15"",""status"":""morning""}";      var output = input.split(new[] { '{', '}' }, stringsplitoptions.removeemptyentries)            .select(x => "{" + x + "}")            .tolist();      foreach (var json in output)      {         jobt ob = jsonconvert.deserializeobject<jobt>(json);         usr.insert_schedule(ob.empid, ob.status);     }    }  //class insert_schedule  public class iemp: icon {     public string query;     public string comstring { get; protected set; }     public iemp(string coms): base(coms)      {         this.query = coms;         comm.parameters.clear();         comm.commandtype = commandtype.storedprocedure;         comm.commandtext = this.comstring;         comm.connection = conn;     }      //schedule      public void insert_schedule(string empid, string status)      {         comm.parameters.addwithvalue("@empid", empid);         comm.parameters.addwithvalue("@status", status);         comm.executenonquery();      } } 

stored proc

create proc [dbo].[usp_insert_schedule]  @empid [varchar](32),  @status [varchar](20) insert schedule(ctrl_id, status)      values (@empid, @status)