Database FIrebird Error

Question

I want to change the date format in the database storage firebird.

 

code

public int Save(Pegawai PG)
       {
           using (FbCommand cmd = conn.CreateCommand())
           {
               cmd.CommandText = "Simpanpegawai";
               cmd.CommandType = System.Data.CommandType.StoredProcedure;
               cmd.Parameters.AddWithValue("KodePelanggan", FbDbType.VarChar).Value = PG.KodePegawai;
               cmd.Parameters.AddWithValue("Nama", FbDbType.VarChar).Value = PG.Nama;
               cmd.Parameters.AddWithValue("TempatLahir", FbDbType.VarChar).Value = PG.TempatLahir;
               cmd.Parameters.AddWithValue("TanggalLahir", FbDbType.Date).Value = PG.TanggalLahir; //Masukkan Dengan Format Tanggal "dd/mm/yyyy"
               cmd.Parameters.AddWithValue("JenisKelamin", FbDbType.VarChar).Value = PG.JenisKelamin;
               cmd.Parameters.AddWithValue("Alamat", FbDbType.VarChar).Value = PG.Alamat;
               cmd.Parameters.AddWithValue("Telp", FbDbType.Numeric).Value = PG.Telp;
               cmd.Parameters.AddWithValue("HP", FbDbType.Numeric).Value = PG.HP;
               cmd.Parameters.AddWithValue("Pendidikan", FbDbType.VarChar).Value = PG.Pendidikan;
               cmd.Parameters.AddWithValue("IDJabatan", FbDbType.Integer).Value = PG.IDJabatan;
               cmd.Parameters.AddWithValue("NoRek", FbDbType.Numeric).Value = PG.NoRek;
               cmd.Parameters.AddWithValue("TanggalMasuk", FbDbType.Date).Value = PG.TanggalMasuk; //Masukkan Dengan Format Tanggal "dd/mm/yyyy"
               cmd.Parameters.AddWithValue("TanggalKeluar", FbDbType.Date).Value = PG.TanggalKeluar; //Masukkan Dengan Format Tanggal "dd/mm/yyyy"
               cmd.Parameters.AddWithValue("Foto", FbDbType.VarChar).Value = PG.Foto;
               cmd.Parameters.AddWithValue("Keterangan", FbDbType.VarChar).Value = PG.Keterangan;
               return cmd.ExecuteNonQuery();
           }
       }