protected void gvPollAnswers_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int pollAnswerId = (int)gvPollAnswers.DataKeys[e.RowIndex]["PollAnswerId"];
PollAnswer pollAnswer = PollManager.GetPollAnswerById(pollAnswerId);
if (pollAnswer != null)
{
PollManager.DeletePollAnswer(pollAnswer.PollAnswerId);
BindData();
}
}