protected void OnClick(object sender, EventArgs e)
{
var mark = new Mark()
{
ValueUuid = (new Guid()).ToString(),
MetricsId = cbxMetrics.SelectedItem.Value,
TimestampStart = ((long)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds),
TimestampEnd = ((long)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds),
Value = tbxMark.Text
};
_db.AddMark(mark);
}
