private void bt_removequestionnaire_Click(object sender, EventArgs e)
{
if (this.dataGridViewQuestionnaires.SelectedRows.Count > 0)
{
foreach (DataGridViewRow dgvr in this.dataGridViewQuestionnaires.SelectedRows)
{
var drv = (DataRowView)dgvr.DataBoundItem;
int qid = (int)drv["Qid"];
if (Portable.RemoveQuestionnaire(qid, this.m_filepath, this.m_password))
{
drv.Row.Delete();
this.attendance.VIQInfo.AcceptChanges();
}
}
}
}