private void btnGenerate_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(tb.Text))
                {
                    MessageBox.Show(@"Please fill the xml template");
                }
                else if (string.IsNullOrWhiteSpace(tbNamespace.Text))
                {
                    MessageBox.Show(@"Please fill the namespace");
                }
                else
                {
                    var xml = new XmlDocument();

                    xml.LoadXml(tb.Text);

                    var section = new Section();

                    section.GenerateFromXml(xml.FirstChild, tbNamespace.Text.Trim());

                    ConfigSample.Generate(tbNamespace.Text.Trim(), tb.Text);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }