• webform网站相关数据控件和其他


    一、asp:Repeater

      <div class="bd">
                <ul>
                    <asp:Repeater ID="rept_slide" runat="server">
                        <ItemTemplate>
                            <li><a href='<%#Eval("LinkUrl").ToString() %>' target="_blank" style="background: url(images/<%#Eval("ImgUrl").ToString() %>) center 0 no-repeat;" ></a></li>
                        </ItemTemplate>
                    </asp:Repeater>
                </ul>
            </div>

    Repeater 控件用于显示重复的项目列表

    后台绑定数据:

                DataTable dt = tbSlideFill();
                this.rept_slide.DataSource = dt.DefaultView;
                this.rept_slide.DataBind();

    二、asp:Literal

    向页面动态添加内容

    <asp:Literal ID="lit_page" runat="server"></asp:Literal>
     this.lit_page.Text = Common.PageNums.GetPageNum(ds, rept_new, 2, "About.aspx?id=52", "Pager_blue");  //输出分页
              /// /// DataSet实例
            /// /// DataList名称
            /// /// 分页大小
            /// ///动态分页
            public static string GetPageNum(DataSet ds, Repeater datalistname, int pagesize, string lurl, string classStr)
            {
                string pagestr = "";
                if (ds != null && ds.Tables[0].Rows.Count > 0)
                {
                    PagedDataSource objPds = new PagedDataSource();
                    objPds.DataSource = ds.Tables[0].DefaultView;
                    objPds.AllowPaging = true;
                    int total = ds.Tables[0].Rows.Count;
                    objPds.PageSize = pagesize;
                    int page;
                    if (HttpContext.Current.Request.QueryString["page"] != null)
                        page = Convert.ToInt32(HttpContext.Current.Request.QueryString["page"]);
                    else
                        page = 1;
                    objPds.CurrentPageIndex = page - 1;
                    datalistname.DataSource = objPds;
                    datalistname.DataBind();
                    int allpage = 0;
                    int next = 0;
                    int pre = 0;
                    int startcount = 0;
                    int endcount = 0;
    
                    if (page < 1)
                    {
                        page = 1;
                    }
                    //计算总页数
                    if (pagesize != 0)
                    {
                        allpage = (total / pagesize);
                        allpage = ((total % pagesize) != 0 ? allpage + 1 : allpage);
                        allpage = (allpage == 0 ? 1 : allpage);
                    }
                    next = page + 1;
                    pre = page - 1;
                    startcount = (page + 5) > allpage ? allpage - 7 : page - 4;//中间页起始序号
                    endcount = page < 5 ? 8 : page + 5;//中间页终止序号 
                    if (startcount < 1)
                    { startcount = 1; }
                    //为了避免输出的时候产生负数,设置如果小于1就从序号1开始
                    if (allpage < endcount)
                    {
                        endcount = allpage;
                    }
                    //页码+5的可能性就会产生最终输出序号大于总页码,那么就要将其控制在页码数之内 
                    pagestr = "<div class='" + classStr + "'>";
                    pagestr += page > 1 ? "<a href='" + lurl + "&page=1' class="homePage">首页</a><a href='" + lurl + "&page=" + pre + "' class="prevPage">上一页</a>" : "<a href='" + lurl + "&page=1' class="homePage">首页</a>";
                 for (int i = startcount; i <= endcount; i++)
                    {
                       pagestr += page == i ? "<a href="javascript:;" class="on">" + i + "</a>" : "  " + "<a href='" + lurl + "&page=" + i + "'>" + i + "</a>" + " ";
                    }
                     pagestr += page != allpage ? "<a href='" + lurl + "&page=" + next + "'  class="nextPage">下一页</a><a href='" + lurl + "&page=" + allpage + "' class="endPage">末页</a>" : "<a href="javascript:;"  class="endPage">末页</a>";
                    pagestr += "</div>";
                }
                else
                {
                    pagestr = "暂无数据";
                }
                return pagestr;
            }
    View Code

    三、asp:DataList
    DataList 控件,类似于 Repeater 控件,用于显示绑定在该控件上的项目的重复列表。不过,DataList 控件会默认地在数据项目上添加表格。

                 <asp:DataList ID="DataInfo" runat="server" OnItemCommand="DataInfo_ItemCommand" DataKeyField="InfoId">
                                <HeaderTemplate>
                                    <table cellpadding="0" cellspacing="0" border="1" width="900" class="tablecss">
                                        <tr>
                                            <td width="50" align="center">序号</td>
                                            <td width="30" align="center">选择</td>
                                            <td width="500" align="ceter">标题</td>
                                            <td width="50" style="text-align:center;">排序号</td>
                                            <td style="text-align:center;">操作</td>
                                        </tr>
                                    </table>
                                </HeaderTemplate>
                                <ItemTemplate>
                                    <table cellpadding="0" cellspacing="0" border="1" width="900" class="tablecss2">
                                        <tr>
                                            <td width="50" align="center"><%#(Container.ItemIndex+1).ToString() %></td>
                                            <td width="30" align="center"><asp:CheckBox ID="CheckBox1" runat="server" /></td>
                                            <td width="500" align="center"><%#DataBinder.Eval(Container.DataItem,"Title") %></td>
                                            <td width="50" align="center"><asp:TextBox ID="txsort" runat="server" Text='<%#DataBinder.Eval(Container.DataItem,"Sort") %>' Columns="2"></asp:TextBox></td>
                                            <td style="text-align:center;">
                                                <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="false" CommandName="edit" Text="修改"></asp:LinkButton>
                                                <asp:LinkButton ID="LinkButton5" runat="server" CausesValidation="false" CommandName="Delete" Text="删除" OnClientClick="return confirm('确认要删除吗?')"></asp:LinkButton>
                                            </td>
                                        </tr>
                                    </table>
                                </ItemTemplate>
                            </asp:DataList>
    View Code
                this.DataInfo.DataSource = objpbs;
                this.DataInfo.DataBind();

    四、分页

    1、先引用AspNetPager.dll

    2、在页面上加上一句:<%@ Register TagPrefix="Webdiyer" Namespace="Wuqi.Webdiyer" Assembly="aspnetpager" %>

    3、

                      <Webdiyer:AspNetPager runat="server" ID="pager" AlwaysShow="true" HorizontalAlign="Left" ShowInputBox="Always"
                                 ShowPageIndex="false" FirstPageText="首页" LastPageText="末页" PrevPageText="上页" NextPageText="下页"
                                 Width="100%" ShowCustomInfoSection="Left" TextBeforeInputBox="转到转到第&nbsp;" TextAfterInputBox="&nbsp;页&nbsp;"
                                 PageSize="15" OnPageChanged="pager_PageChanged"/>

    4、后台绑定数据

                DataTable dt=tbInfoFill();
                pager.RecordCount = dt.Rows.Count;
                PagedDataSource objpbs = new PagedDataSource();
                objpbs.DataSource = dt.DefaultView;
                objpbs.AllowPaging = true;
                objpbs.PageSize = pager.PageSize;
                objpbs.CurrentPageIndex = pager.CurrentPageIndex - 1;

    五、其他

    1、幻灯片展示

    a、引入js文件:<script src="js/jquery.SuperSlide.2.1.1.js" type="text/javascript"></script>

    b、

      <div class="banner">
            <div class="bd">
                <ul>
                    <asp:Repeater ID="rept_slide" runat="server">
                        <ItemTemplate>
                            <li><a href='<%#Eval("LinkUrl").ToString() %>' target="_blank" style="background: url(images/<%#Eval("ImgUrl").ToString() %>) center 0 no-repeat;" ></a></li>
                        </ItemTemplate>
                    </asp:Repeater>
                </ul>
            </div>
    
        </div>
        <script type="text/javascript">
            jQuery(".banner").slide({ mainCell: ".bd ul", autoPlay: true });
        </script>

    2、marquee
    a、创建一个滚动的文本字幕

    <marquee  direction="up" behavior="scroll" scrollamount="5"  onMouseOut="this.start()" onMouseOver="this.stop()" >
         <span class="fl"><a href='NewInfo.aspx?id=<%#Eval("InfoId").ToString() %>'><%#Eval("Title").ToString() %></a></span>
          <span class="time fr"><%#Eval("AppDate","{0:yyyy-MM-dd}").ToString() %></span>
    </marquee>

    direction:表示滚动的方向
    behavior:表示滚动的方式

    scrollamount:表示文字滚动的速度

    onMouseOut:表示当鼠标移上去滚动停止

    onMouseOver:表示当鼠标移开滚动开始

    b、用js来实现

     <script type="text/javascript">
            var speed = 80
            function Marquee() {
                    demo.scrollTop++;
                    if (demo.scrollTop > "27")
                    {
                        demo.scrollTop = "0";
                    }
            }
            var MyMar = setInterval(Marquee, speed)
            demo.onmouseover = function () { clearInterval(MyMar) }
            demo.onmouseout = function () { MyMar = setInterval(Marquee, speed) }
    </script>
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  • 原文地址:https://www.cnblogs.com/evan-success/p/5163910.html
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