C# call oracle stored function - 


  function ar_knyga_egzistuoja (id number) Return number to make or change number kiekis; Start counting (*) in kniegos with kiekis, where kn_id = id; Returning insect; End;   
 C # code:  
  conn.Open (); Oracle Commands CMD = New Oracle Commands (); Cmd.Connection = conn; Cmd.CommandText = "ar_knyga_egzistuoja"; Cmd.CommandType = CommandType.StoredProcedure; ODBP parameter param = new ODBP parameter (); Cmd.Parameters.Add ("id", OracleType.Number) .Value = id; Cmd.ExecuteNonQuery (); Var kiekis = convert toString (cmd.Parameters ["kiekis"]. Value); MessageBox.Show (kiekis); cmd.Parameters.RemoveAt (0); Conn.Close ();   
 I'm getting the error:  
  PLS-00221: 'AR_KNYGA_EGZISTUOJA' is no process or unspecified ORA-06550: line 1, column 7 :   
 This process is not a function, but I know that I can call functions like functions, what is wrong   
 
 
 If you mean code  ORA-06550  means that the function needs to be rewritten. I'm not seeing anything clearly wrong with the code so that you can have problems like permissions or incorrect table names, and if you can run the function first and foremost in the PL / SQL editor, then you can get that race Afterwards, try ...  
  var cmd = new OracleCommand (); Cmd.Connection = conn; Cmd.CommandText = "ar_knyga_egzistuoja"; Cmd.CommandType = CommandType.StoredProcedure; Cmd.Parameters.Add ("id", id); Cmd.Parameters.Add ("kiekis", OracleType.Number); cmd.Parmeters ["kiekis"] Direction = parameter direction. Return value; cmd.Connection.Open (); Cmd.ExecuteNonQuery (); Var kiekis = convert toString (cmd.Parameters ["kiekis"]. Value); MessageBox.Show (kiekis); cmd.Connection.Close (); When a return value of   
  kiekis  type  number  is available, it should be able to run the job like a stored procedure for.

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