public CourseModel UpdateCourse(CourseModel courseModel)
		{
			DataTable dt = new DataTable();
			using (MySqlCommand command = new MySqlCommand())
			{
				dt = GetMultipleQuery(CourseStringsMySql.UpdateCourse(courseModel));
			}
			foreach (DataRow ms in dt.Rows)
			{
				courseModel = CourseModel.ToObject(ms);
			}

			return courseModel;
		}