//删除试卷科目事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        Diff Diff = new Diff();                                                     //创建Diff对象
        int  ID   = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值

        if (Diff.DeleteByProc(ID))
        {
            Page.RegisterStartupScript("", "<script language=javascript>alert('成功删除试卷科目!')</script>");
        }
        else
        {
            Page.RegisterStartupScript("", "<script language=javascript>alert('删除试卷科目失败!')</script>");
        }
        GridView1.EditIndex = -1;
        InitData();
    }