Exception entityframework

Exception entityframework

catch (DbEntityValidationException e)
{
	string erro = string.Empty;
	foreach (var eve in e.EntityValidationErrors)
	{
		erro += (string.Format("Entity of type \"{0}\" in state \"{1}\" has the following validation errors:",
			eve.Entry.Entity.GetType().Name, eve.Entry.State));
		foreach (var ve in eve.ValidationErrors)
		{
			erro += (string.Format("- Property: \"{0}\", Error: \"{1}\"",
				ve.PropertyName, ve.ErrorMessage));
		}
	}
	throw new Exception(erro);
}
catch (DbUpdateException e)
{
	//SqlException s = e.InnerException.InnerException as SqlException;
	throw new Exception(e.InnerException.InnerException.Message);
}
catch (Exception)
{

	throw;
}