/// <summary>
/// filter a specifc Data where the given ID is true
/// </summary>
/// <param name="Id">The ID used to filter the data</param>
/// <returns>filtered Datatable</returns>
private DataTable GetDataTable(int Id)
{
string SelectedFilter = FilterByComboBox.SelectedItem.ToString();
switch (SelectedFilter)
{
case "Student":
return(Data.GetByStudentID(Id));
case "Course":
return(Data.GetByCourseID(Id));
case "Instructor":
return(Data.GetByInstructorID(Id));
default:
return(null);
}
}