protected void btnCfmDeactivate_Click(object sender, EventArgs e)
{
Course_elearnDAO ceDAO = new Course_elearnDAO();
Course_elearn currentCourse = ceDAO.get_course_by_id(Convert.ToInt32(Request.QueryString["id"]));
ceDAO.deactivateCourse(Convert.ToInt32(Request.QueryString["id"]));
int cat = currentCourse.getCategoryID();
//set audit
User currentUser = (User)Session["currentUser"];
setAudit(currentUser, "course", "deactivate", currentCourse.getCourseID().ToString(), "course name: " + currentCourse.getCourseName());
Response.Redirect($"viewAllModule.aspx");
}