/// <summary>
/// Gets a list of Submissions of an assignment by the student.
/// </summary>
/// <param name="sid"> Unique id of the student.</param>
/// <param name="courseId">Unique id of the course.</param>
/// <returns>List of Submissions.</returns>
public static SubmissionList GetItem(string sid, string courseId)
{
return(SubmissionDA.GetItem(sid, courseId));
}
/// <summary>
/// Gets the submission list of the assignment.
/// </summary>
/// <param name="assignmentId">Id of the assignment.</param>
/// <returns>List of submission of the assignment.</returns>
public static SubmissionList GetItem(int assignmentId)
{
return(SubmissionDA.GetItem(assignmentId));
}