调试易

con.QueryString = "select ID,BigClassID,SmallClassID,BrandID,ProductName,TitleImage,PriceImage from product";
        SqlDataAdapter da = new SqlDataAdapter(con.QueryString, con.ConnectDB());
        DataSet ds = new DataSet();
        da.Fill(ds);
        DataTable dt = ds.Tables[0];
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            TitleImages = dt.Rows[i]["TitleImage"].ToString();
            PicImages = dt.Rows[i]["PriceImage"].ToString();
            if (!File.Exists(Server.MapPath(TitleImages)))
            {
                con.QueryString = "select   ID,BigClassID,SmallClassID,BrandID,ProductName from product where TitleImage='" + TitleImages + "'";
                SqlDataAdapter com = new SqlDataAdapter(con.QueryString, con.ConnectDB());
                DataSet ds1 = new DataSet();
                com.Fill(ds1);
                this.Repeater2.DataSource = ds1;
                Repeater2.DataBind();
                string jswjdc = "" + System.DateTime.Today.Year.ToString() + "-" + System.DateTime.Today.Month.ToString() + "-" + System.DateTime.Today.Day.ToString();
                con.DataDownTOcsv(con.QueryString, jswjdc, "缺失图片产品表", "表名称:vwProduct", "编号,大类名称,小类名称,品牌名称,产品名称", 5);
                con.ConnectDB().Close();
            }            if (!File.Exists(Server.MapPath(PicImages)))
            {
                con.QueryString = "select   ID,BigClassID,SmallClassID,BrandID,ProductName from product where PriceImage='" + PicImages + "'";
                SqlDataAdapter com = new SqlDataAdapter(con.QueryString, con.ConnectDB());
                DataSet ds1 = new DataSet();
                com.Fill(ds1);
                this.Repeater1.DataSource = ds1;
                Repeater1.DataBind();
                string jswjdc1 = "" + System.DateTime.Today.Year.ToString() + "-" + System.DateTime.Today.Month.ToString() + "-" + System.DateTime.Today.Day.ToString() + "-" + System.DateTime.Today.Hour.ToString();
                con.DataDownTOcsv(con.QueryString, jswjdc1, "缺失图片产品表", "表名称:vwProduct", "编号,大类名称,小类名称,品牌名称,产品名称", 5);
                con.ConnectDB().Close();
            }
        
            Response.Write(TitleImages);
            Response.Write(PicImages);
        }数据库中图片有路径，查找对应硬盘上的图片是否存在，应该有两条记录的，但只显示最后一条记录 请大家指教一下