一.把后台代码写到前台去
1<wbr></wbr>对于普通的html标签和普通服务器控件绑定后台变量(变量一定要public)
.cs
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>// 加载方式<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><strong style="font-weight:bold">public</strong><span><wbr></wbr></span>string loadtype;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>protected void Page_Load(object sender, EventArgs e)<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>{<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>// 检测是否首次加载<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>if (Request.QueryString["loadType"] != null)<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>{<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>loadtype = Request.QueryString["loadType"].ToString();<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>}<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>}</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
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.aspx
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><div style='display:<%=loadtype=="1"?"none":"inline"%>'>............</div></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr></wbr></wbr>
先通过<%=loadtype%>标签获取到loadtype,再对loadtype进行判断,这个时候<%=loadtype%>可能不变黄,没有关系。
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2.在Gridview或repeater数据绑定控件里绑定后台变量
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我们知道,不是那个角色都可以设置监控点的。那么我需要在绑定的时候,判断一下,这个人的usertpye是多少。那么怎么办判断呢?看代码:
<wbr><wbr><wbr></wbr></wbr></wbr>
<asp:TemplateField HeaderText="操作">
<ItemTemplate>
<a href="EditUser.aspx?userId=<%# eval_r("ID") %>">修改</a>
<a href="EditPWD.aspx?userId=<%# eval_r("ID") %>">重设密码</a>
<%#Convert.ToUInt32(eval_r("UserType")) == 7 ?
"<a href=../Point.aspx?userid=" + eval_r("ID") + ">分配监控点</a>" : ""%>
<wbr><wbr><wbr></ItemTemplate><br><wbr><wbr><wbr></asp:TemplateField></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr></wbr></wbr></wbr>
简单吧!其实其他的控件如repeater,datalist等等,都可以效法!
<wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr>
我们再看一例:
<asp:LinkButton ID="linkbtnCloseOrOpen" runat="server" CommandName='<%#eval_r("IsClosed") %>' CommandArgument='<%#eval_r("ID") %>'>
<%#bool.Parse(eval_r("IsClosed").ToString())?"打开监控点":"关闭监控点" %>
</asp:LinkButton>
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3.引申——绑定后台方法
由1,2的区别,看二者3的区别——也就是<%=%>和<%#%>绑定方法的区别,懂了吧!
<%=Add()%>
<%#Add()%>
拿第二种举个例子吧
在后台有这样的方法
<wbr></wbr>
<wbr>public Test_Paper GetPaper(int id)</wbr>
{
<wbr><wbr><wbr><wbr>return BLL.Test_PaperBLL.ReadTestPaperByID(id);</wbr></wbr></wbr></wbr>
}
在前台这样用
<%#GetPaper(Convert.ToInt32(eval_r("PaperNum"))).Name %>)
需要注意的是eval_r("PaperNum")获取的是object类型,注意类型转化。
再看例子
<%#GetChoose(eval_r("QId")).OptionA == null ? "" : "<input type='radio' name='choose"+eval_r("QId")+"'>A." + GetChoose(eval_r("QId")).OptionA + "</input>"%>
4.<%%>干吗用啊?
这样用:
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><%<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>int countValue = id;<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>%></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<div<wbr><wbr><span><wbr></wbr></span>style='display:<%=countValue==1?"none":"inline"%>'></div></wbr></wbr>
<wbr><wbr></wbr></wbr>
①<%%>中可以获取后台中public的字段,像例子中的id
②可以声明变量
③变量可以再前台使用
④可以再<%%>对后台的数据进行一些逻辑操作,当然,这种逻辑操作可以在后台完成,再在前台获取后台方法,如本文的第三个大标题一样!
<wbr><wbr></wbr></wbr>
<wbr><wbr></wbr></wbr>
再看一例
<%if (user.CompanyId==1)
{<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr>%><br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><tr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><td align="left" class="box"<wbr><wbr><span><wbr></wbr></span>onclick="hiddenTree('table13'住建局安办</td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></tr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><tr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><td align="left" class="text3"><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><table id="table13" style="display:none;" width="100%" border="0" cellspacing="0"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>cellpadding="0"><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><tr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><td align="left" class="text3"><a href="/Manage/CheckPoints.aspx"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span>target="mainFrame">住建局监控</a></td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span></tr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><wbr><wbr><wbr><wbr><wbr><wbr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></table><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></tr><br><strong style="font-weight:bold"><%} %></strong><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr></wbr>
<wbr></wbr>
<wbr></wbr>
二把前台代码写到后台去
我们不仅可以在前台写代码,也可以在后台写前台的代码
<wbr><wbr></wbr></wbr>
比如:
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span><table width="100%" border="0" cellspacing="0" cellpadding="0"><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><strong style="font-weight:bold"><span style="color:#ed1c24; word-break:normal; line-height:21px; word-wrap:normal"><%=str2.ToString()%><br></span></strong><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><tr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><td width="37%" height="30"></td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><td width="31%" height="30"></td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><td width="32%" height="30">&nbsp;</td><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></tr><br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><span><wbr></wbr></span></table></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr></wbr></wbr>
<wbr><wbr></wbr></wbr>
那么在后台的话:
<wbr><wbr></wbr></wbr>
j += 1;
str2.Append("<tr>");
str2.Append("<td id=\"td2" + j + "\" width=\"37%\" height=\"30\" align=\"left\">");
str2.Append(j <wbr>+ GetEvaluation(resultInfo.EvaluationID).Evaluation);<br>
str2.Append("</td>");<br>
str2.Append("<td width=\"31%\" height=\"30\">");</wbr>
str2.Append("<input name=\"resultId2" + j + "\" value=\"" + resultInfo.ID + "\" type=\"hidden\">");
..............................................................................
str2.Append("</tr>");
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重写了asp.net的repeater控件,用于后台管理及前台显示绑定,有三个选中事件. 仅供参考学习..实际应用会有问题 有疑问加群9997621
asp.net 邮件 发送完善 发送者地址在后台绑定 接受者地址在前台自行填写 发送内容为长文本格式 支持自行长传附件 界面和普通发送邮件界面相似 发送内容支持文本或html格式发送 仅供初学者菜鸟参考学习
两者都是在后台服务器中创建.txt文件,将前台网页中输入的文字写入.txt文件中,并在数据库中生成相应数据,以便能够及时在新闻列表中显示该文章。 9. 管理文章功能:管理员可以通过gridview对服务器中的文章及历年...
分类信息网源码,带商家黄页的分类信息网系统,会员可自助建站的分类信息网站程序,可根据浏览IP自动跳转分站的分类网站后台管理系统,供求信息网站源码,asp.net分类信息源码,生成html的分类信息站源码,此系统是基于asp...
分类信息网源码,带商家黄页的分类信息网系统,会员可自助建站的分类信息网站程序,可根据浏览IP自动跳转分站的分类网站后台管理系统,供求信息网站源码,asp.net分类信息源码,生成html的分类信息站源码,此系统是基于asp...
服务器再把GridView反构造成DataTable, 再给DataTable增加一行之后,绑定到GridView,然后发回客户端… 能不能简单一点呢? 在使用Ajax数据请求数据,通常都是简单格式,比如String,... 前台代码: 代码如下: <htm
它们可以将从后台数据库中搜选的出来的信息加以绑定,这里要实现的功能是在DropDownList中选择“省”,然后让ListBox自动将其省份下的“市”显示出来,这就是所谓的两级联动功能,这个功能我们在很多注册网页上看见...
分页是Web应用程序中最常用到的功能之一,在ASP.NET中,虽然自带了一个可以分页的DataGrid(asp...手工编写分页代码不但技术难度大、任务繁琐而且代码重用率极低,因此分页已成为许多ASP.NET程序员最头疼的问题之一。