//ɾ�������¼�
 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
 {
     JudgeProblemmr judgeproblem = new JudgeProblemmr();  //����������
     int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //ȡ��Ҫɾ����¼������ֵ
     if (judgeproblem.DeleteByStr(ID))
     {
         Response.Write("<script language=javascript>alert('�ɹ�ɾ�����⣡')</script>");
     }
     else
     {
         Response.Write("<script language=javascript>alert('ɾ������ʧ�ܣ�')</script>");
     }
     GridViewBind();//���°�����
     GridView1.EditIndex = -1;
 }
 //ɾ��������¼
 protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
 {
     JudgeProblemmr judge = new JudgeProblemmr();//����JudgeProblemmr����
     foreach (GridViewRow dr in GridView1.Rows)//��GridView�е�ÿһ�н����ж�
     {
         if (((CheckBox)dr.FindControl("xuanze")).Checked)//���ѡ���˽���ɾ��
         {
             int ID = int.Parse(((Label)dr.FindControl("Label1")).Text);
             judge.ID = ID;
             judge.DeleteByStr(ID);
         }
     }
 }