private void btnAddTag_Click(object sender, EventArgs e)
{
frmTag t = new frmTag(true);
t.ShowDialog();
if (t.haveChosen)
{
db.AddTagToQuestion(currentQuestion.IdQuestion, t.currentTag.IdTag);
t.Dispose();
tagsList = db.TagsOfAQuestion(currentQuestion.IdQuestion);
lstTags.DataSource = tagsList;
Commons.LastTagsChosen = tagsList;
}
}