动态生成 控件 并进行遍历和操作

前台 .aspx

    <form id="form1" runat="server">
    <asp:Label runat="server" ID="panel" Visible="false"></asp:Label>
        <table border="0" cellpadding="0" cellspacing="2" width="100%">
            <tr>
                <td>
                    <div style="text-align: left;">
                        <asp:Panel ID="pan" runat="server"></asp:Panel>
                    </div>
                    <div style="text-align: center;padding-top:5px;">
                        <input type="button" runat="server" id="save" style="width:80px;border:#333333 1px solid" value="确定" onserverclick="save_ServerClick" />
                        <input type="button" id="reset" value="取消" style="width:80px;border:#333333 1px solid" onclick="javascript:window.opener=null;window.close();" />
                    </div>
                </td>
            </tr>
        </table>
    </form>

.cs 后台代码

  /**//// <summary>
    /// 创建 num 个TextBox
    /// </summary>
    /// <param name="num">个数</param>
    protected void CreateTextBox(int num,string[] str)
    {
        for (int i = 0; i < num; i++)
        {
            TextBox tbox = new TextBox();
            Label lbl = new Label();
            Label lb = new Label();
            if (i == 0)
            {
                lbl.Text = "定价:";
            }
            else
            {
                lbl.Text = "<br />定价:";
            }
            lb.Text = "编号:(" + str[i] + ")";
            tbox.Style.Add("width", "100px");
            tbox.Style.Add("border", "#333333 solid 1px");
            pan.Controls.Add(lbl);
            pan.Controls.Add(tbox);
            pan.Controls.Add(lb);
        }
    }
    protected void save_ServerClick(object sender, EventArgs e)
    {
        //遍历页面中Span容器中的所有控件
        foreach (Control mycontrol in Page.FindControl("pan").Controls)
        {
            //如果控件是TextBox或者Label
            if (mycontrol.GetType() == typeof(TextBox) || mycontrol.GetType() == typeof(Label))
            {
                string bookid = "";
                string bookvalue = "";
                if (mycontrol.GetType() == typeof(TextBox))
                {
                    bookvalue = ((TextBox)mycontrol).Text.Trim();   //赋值
                }
                else
                {
                    if (((Label)mycontrol).Text != "定价:")
                    {
                        bookid = ((Label)mycontrol).Text.Trim();    //赋值
                    }
                }
                if (bookid != "" && bookvalue != "")    //如果 bookid 和 bookvalue 都不为空 执行具体数据操作
                {
                    ;
                }
            }
        }
    }