protected void btnViewTeacherCourses_Click(object sender, EventArgs e)
{
CourseDAL dal = new CourseDAL();
this.gvwTeacherCourses.DataSource = dal.GetCoursesByTeacherID(this.ddlTeachers.SelectedValue);
}
protected void btnViewTeacherCourses_Click(object sender, EventArgs e)
{
CourseDAL dal = new CourseDAL();
this.gvwTeacherCourses.DataSource = dal.GetCoursesByTeacherID(this.ddlTeachers.SelectedValue);
}