if (dds.Disks.Rows.Count >  0 )
            {
                AddDiskForm addForm = new AddDiskForm();
                int RecPos = this.BindingContext[dds, "Disks"].Position;
                addForm.textBox1.Text = dds.Disks[RecPos].Disc_Name;
                addForm.textBox2.Text = dds.Disks[RecPos].Disc_Have;
                addForm.textBox3.Text = dds.Disks[RecPos].Disc_Type;
                DialogResult dr = addForm.ShowDialog();
                if (dr == DialogResult.OK)
                {
                    dds.Disks[RecPos].Disc_Name = addForm.textBox1.Text;
                    dds.Disks[RecPos].Disc_Have = addForm.textBox2.Text;
                    dds.Disks[RecPos].Disc_Type = addForm.textBox3.Text;
                    SQLCommand.CommandText = "UPDATE    Disks" + Convert.ToChar( 13 );
                    SQLCommand.CommandText += " SET Disc_Name = " + "'" + dds.Disks[RecPos].Disc_Name + "'" + ", " + Convert.ToChar( 13 );
                    SQLCommand.CommandText += "Disc_Have = " + "'" + dds.Disks[RecPos].Disc_Have + "'" + "," + Convert.ToChar( 13 );
                    SQLCommand.CommandText += "Disc_Type = " + "'" + dds.Disks[RecPos].Disc_Type + "' " + Convert.ToChar( 13 );
                    SQLCommand.CommandText += "WHERE Disc_ID = " + dds.Disks[RecPos].Disc_ID;
                    MessageBox.Show(SQLCommand.CommandText);
                    oleDbConnection2.Open();
                    SQLCommand.ExecuteNonQuery();
                    DataTable dtAdded = dds.Disks.GetChanges(DataRowState.Modified);
                    if (dtAdded != null)
                    {
                        Discs.Update(dtAdded);
                        dtAdded.Dispose();
                    }
                    dds.AcceptChanges();
                    oleDbConnection2.Close();
                }
            }