public DataTable DatatableQuestion()
{
string query = "SELECT q.Question_ID, q.Question_Title, q.Question_Name, q.Question_Type, q.Catalogue_ID, c.Catalogue_Name, q.Date_Create"
+ " FROM Question q"
+ " INNER JOIN Catalogue c ON c.Catalogue_ID = q.Catalogue_ID";
DataTable dt = DA.SelectDatabase(query);
return dt;
}