protected void ansGrid_DeleteCommand(object source, DataGridCommandEventArgs e)
{
string answerFileName = e.Item.Cells[2].Text;
using (Answers answers = new Answers())
{
answers.DeleteAnswerFile(answerFileName);
}
System.IO.File.Delete(System.IO.Path.Combine(Settings.AnswerPath, answerFileName));
BindData(null);
}