Oracle.ManagedDataAccess.dll v4.121.1.0 - System.FormatException when Command.BindByName = true on Command.ExecuteReader().

Question

A first chance exception of type 'System.FormatException' occurred in mscorlib.dll

Answer 1

Hi,
user5924091 wrote:
A first chance exception of type 'System.FormatException' occurred in mscorlib.dll
Do you have a sample reproducing the issue?
I've tried the following simple test and I do not see any exceptions.
NOTE: I've enabled all exception types by selecting Debug -> Exceptions... from the menu and then executed the test from VS2012.
Regards,
Mark
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
using System.Data;
using Oracle.ManagedDataAccess.Types;
using Oracle.ManagedDataAccess.Client;
namespace ConsoleApplication1
  class Program
    static string constr = "Data Source=//localhost:1521/V121P1;" +
                           "User Id=demo;" +
                           "Password=demo;" +
                           "Pooling=false;" +
                           "Enlist=false;";
    static void Main(string[] args)
      OracleConnection con = new OracleConnection(constr);
      con.Open();
      OracleCommand cmd = con.CreateCommand();
      cmd.CommandText = "select employee_id from hr.employees";
      cmd.BindByName = true;
      OracleDataReader dr = cmd.ExecuteReader();
      while (dr.Read())
        Console.WriteLine("ID = {0}", dr[0]);
      dr.Dispose();
      cmd.Dispose();
      con.Dispose();
      if (Debugger.IsAttached)
        Console.Write("Any key to terminate...");
        Console.ReadKey(true);