private void FormBriefcaseVLog_Load(object sender, EventArgs e)
{
vtbl = Portable.GetVersion(this.filepath, this.password);
Binding bnd = new Binding("Text", vtbl, "VersionCode");
this.tb_versioncode.DataBindings.Add(bnd);
this.lb_filename.Text = this.filepath;
DataTable tbl = Portable.GetVisitLog(this.filepath, this.password);
this.dataGridView1.DataSource = tbl;
}