protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string courseid = ((Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Label1")).Text.ToString();
string coursename = ((Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Label2")).Text.ToString();
string pathTopic = Server.MapPath(BusyworkManage.Path + Request.Cookies["TeacherID"].Value.ToString() + BusyworkManage.TopicPath + coursename);
string pathBusywork = Server.MapPath(BusyworkManage.Path + Request.Cookies["TeacherID"].Value.ToString() + BusyworkManage.BusyworkPath + coursename);
bm.DeleteAllFileInDir(pathBusywork);
bm.DeleteAllFileInDir(pathTopic);
bm.DeleteCourseByID(courseid);
Databind(Request.Cookies["TeacherID"].Value.ToString());
}
