这样绑定的数据怎么都是第一行数据

Question

  Data = Common.Fill(sql, "b_articles");        if (Data.Tables["b_articles"].Rows.Count > 0)
        {            for (int i = 0; i < Data.Tables["b_articles"].Rows.Count; i++)
            {
                if (i > 3)
                {
                    ZJJS += "<div class='zj_last'>专家五：<br /><span>" + dr["title"] + " &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font color='#FF6633'>主旨医生</font><br /></span>&nbsp;&nbsp;&nbsp;&nbsp;" + dr["content"].ToString() + "<a href='#'>【详细】</a></div>";
                }
                else
                {
                    if (i == 0)
                    {
                        ZJJS = "<div class='zj_content'>专家一：<br /><span>" + dr["title"] + " &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font color='#FF6633'>主旨医生</font><br /></span>&nbsp;&nbsp;&nbsp;&nbsp;" + dr["content"].ToString() + "<a href='#'>【详细】</a></div>";
                    }
                    else if (i == 1)
                    {
                        ZJJS += "<div class='zj_content'>专家二：<br /><span>" + dr["title"] + " &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font color='#FF6633'>主旨医生</font><br /></span>&nbsp;&nbsp;&nbsp;&nbsp;" + dr["content"].ToString() + "<a href='#'>【详细】</a></div>";
                    }
                    else if (i == 2)
                    {
                        ZJJS += "<div class='zj_content'>专家三：<br /><span>" + dr["title"] + " &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font color='#FF6633'>主旨医生</font><br /></span>&nbsp;&nbsp;&nbsp;&nbsp;" + dr["content"].ToString() + "<a href='#'>【详细】</a></div>";
                    }
                    else
                    {
                        ZJJS += "<div class='zj_content'>专家四：<br /><span>" + dr["title"] + " &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <font color='#FF6633'>主旨医生</font><br /></span>&nbsp;&nbsp;&nbsp;&nbsp;" + dr["content"].ToString() + "<a href='#'>【详细】</a></div>";
                    }                }
            }        }
        else
        {
            this.ltzj.EnableViewState = true;
            this.ltzj.Text = "暂无数据";
        }

Answer 1

没有给dr赋值吧，
dr=Data.Tables["b_articles"].Rows[i]是不是少了这个

Answer 2

for循环内第一行写
dr = Data.Tables["b_articles"].Rows[i]
你贴出的代码之上定义过DataRow吧