简单实现C#CheckBox单选的相关功能
DataGrid中加入CheckBox,并实现c# CheckBox单选原理就是用js遍列所有CheckBox把所有CheckBox设为未被选中,然后在把单击的CheckBox设为选中。
以下是c# CheckBox单选的实现方法：
aspx文件：
- <%@ page language="c#" codebehind="webform1.aspx.cs" autoeventwireup="false" inherits="datagridcheck.webform1" %>
- >
</strong>webform1<strong> title></strong> </li> <li><strong><meta</strong> content="microsoft visual studio .net 7.1" name="generator"<strong>></strong> </li> <li><strong><meta</strong> content="c#" name="code_language"<strong>></strong> </li> <li><strong><meta</strong> content="javascript" name="vs_defaultclientscript"<strong>></strong> </li> <li><strong><meta</strong> content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetschema"<strong>></strong> </li> <li><strong><script</strong> language="javascript"<strong>></strong> </li> <li>function setcheckboxstate() </li> <li>{ </li> <li>var dom=document.all; </li> <li>var el=event.srcelement; </li> <li>if(el.tagname=="input"&&el.type.tolowercase()=="checkbox") </li> <li>{ </li> <li>for(i=0;i<strong><dom.length</strong>;i++) </li> <li>{ </li> <li>if(dom[i].tagname=="input"&&dom[i].type.tolowercase()=="checkbox") </li> <li>{ </li> <li>dom[i].checked=false; </li> <li>} </li> <li>} </li> <li>} </li> <li>el.checked=!el.checked; </li> <li>} </li> <li><strong> script></strong> </li> <li><strong> head></strong> </li> <li><strong><body</strong> ms_positioning="gridlayout"<strong>></strong> </li> <li><strong><form</strong> id="form1" method="post" runat="server"<strong>></strong> </li> <li><strong><font</strong> face="宋体"<strong>></strong> </li> <li><strong><asp:datagrid</strong> id="dg" style="z-index: 101; left: 168px; position: absolute; top: 40px" runat="server" </li> <li>width="440px" autogeneratecolumns="false"<strong>></strong> </li> <li><strong><columns></strong> </li> <li><strong><asp:templatecolumn></strong> </li> <li><strong><itemtemplate></strong> </li> <li><strong><asp:checkbox</strong> id="chkexport" runat="server"<strong>> asp:checkbox></strong> </li> <li><strong> itemtemplate></strong> </li> <li><strong> asp:templatecolumn></strong> </li> <li><strong><asp:boundcolumn</strong> datafield="integervalue"<strong>> asp:boundcolumn></strong> </li> <li><strong><asp:boundcolumn</strong> datafield="stringvalue"<strong>> asp:boundcolumn></strong> </li> <li><strong><asp:boundcolumn</strong> datafield="currencyvalue"<strong>> asp:boundcolumn></strong> </li> <li><strong> columns></strong> </li> <li><strong> asp:datagrid><asp:button</strong> id="button1" style="z-index: 102; left: 168px; position: absolute; top: 8px" runat="server" </li> <li>text="显示内容"<strong>> asp:button> font> form></strong> </li> <li><strong> body></strong> </li> <li><strong> html></strong> </li> </ol></pre><p>以下是cs文件</p><pre> <ol> <li>using system; </li> <li>using system.collections; </li> <li>using system.componentmodel; </li> <li>using system.data; </li> <li>using system.drawing; </li> <li>using system.web; </li> <li>using system.web.sessionstate; </li> <li>using system.web.ui; </li> <li>using system.web.ui.webcontrols; </li> <li>using system.web.ui.htmlcontrols; </li> <li>namespace datagridcheck </li> <li>{ </li> <li>/// <strong><summary></strong> </li> <li>/// webform1 的摘要说明。 </li> <li>/// <strong> summary></strong> </li> <li>public class webform1 : system.web.ui.page </li> <li>{ </li> <li>protected system.web.ui.webcontrols.button button1; </li> <li>protected system.web.ui.webcontrols.datagrid dg; </li> <li>private void page_load(object sender, system.eventargs e) </li> <li>{ </li> <li>// 在此处放置用户代码以初始化页面 </li> <li>if (!page.ispostback) </li> <li>{ </li> <li>dg.datasource= createdatasource() ; </li> <li>dg.databind(); </li> <li>} </li> <li>} </li> <li>icollection createdatasource() </li> <li>{ </li> <li>datatable dt = new datatable(); </li> <li>datarow dr; </li> <li>dt.columns.add(new datacolumn("integervalue", typeof(int32))); </li> <li>dt.columns.add(new datacolumn("stringvalue", typeof(string))); </li> <li>dt.columns.add(new datacolumn("currencyvalue", typeof(double))); </li> <li>for (int i = 0; i <strong><</strong> <strong>9</strong>; i++) </li> <li>{ </li> <li>dr = dt.newrow(); </li> <li>dr[0] = i; </li> <li>dr[1] = "item " + i.tostring(); </li> <li>dr[2] = 1.23 * (i + 1); </li> <li>dt.rows.add(dr); </li> <li>} </li> <li>dataview dv = new dataview(dt); </li> <li>return dv; </li> <li>} </li> <li>#region web 窗体设计器生成的代码 </li> <li>override protected void oninit(eventargs e) </li> <li>{ </li> <li>// </li> <li>// codegen: 该调用是 asp.net web 窗体设计器所必需的。 </li> <li>// </li> <li>initializecomponent(); </li> <li>base.oninit(e); </li> <li>} </li> <li>/// <strong><summary></strong> </li> <li>/// 设计器支持所需的方法 - 不要使用代码编辑器修改 </li> <li>/// 此方法的内容。 </li> <li>/// <strong> summary></strong> </li> <li>private void initializecomponent() </li> <li>{ </li> <li>this.dg.itemdatabound += new system.web.ui.webcontrols.datagriditemeventhandler(this.dg_itemdatabound); </li> <li>this.button1.click += new system.eventhandler(this.button1_click); </li> <li>this.load += new system.eventhandler(this.page_load); </li> <li>} </li> <li>#endregion </li> <li>private void button1_click(object sender, system.eventargs e) </li> <li>{ </li> <li>system.web.ui.webcontrols.checkbox chkexport; </li> <li>foreach (datagriditem dgitem in dg.items) </li> <li>{ </li> <li>chkexport=(checkbox)dgitem.findcontrol("chkexport"); </li> <li>if(chkexport.checked) </li> <li>{ </li> <li>response.write("<strong><script></strong>alert("+dgitem.cells[2].text+"和"+dgitem.cells[3].text+")<strong> script></strong>"); </li> <li>} </li> <li>} </li> <li>} </li> <li>private void dg_itemdatabound(object sender, system.web.ui.webcontrols.datagriditemeventargs e) </li> <li>{ </li> <li>if(e.item.itemindex<strong><0</strong>) return; </li> <li>if(e.item.itemtype == listitemtype.item || e.item.itemtype == listitemtype.alternatingitem) </li> <li>{ </li> <li>system.web.ui.webcontrols.checkbox chkexport; </li> <li>chkexport=(checkbox)e.item.findcontrol("chkexport"); </li> <li>chkexport.attributes.add("onclick","setcheckboxstate()"); </li> <li>e.item.attributes.add("onmouseover","currentcolor=this.style.backgroundcolor;this.style.backgroundcolor=48d1cc"); </li> <li>e.item.attributes.add("onmouseout","this.style.backgroundcolor=currentcolor"); </li> <li>} </li> <li>} </li> <li>} </li> <li>} </li> </ol></pre><p>以上就是笔者实现C# CheckBox单选事件的方法，希望能给大家带来帮助。</p> <br> 本文题目：简单实现C#CheckBox单选的相关功能 <br> 分享地址：<a href="http://www.hdfswf.com/article/djhsocc.html">http://www.hdfswf.com/article/djhsocc.html</a> </div> </div> <div class="other"> <h3>其他资讯</h3> <ul> <li> <a href="/article/dhdjehi.html">dotm是什么扩展名</a> </li><li> <a href="/article/dhdjesj.html">Linux剪切文件夹命令：快捷轻松实现文件迁移 (linux 剪切文件夹命令)</a> </li><li> <a href="/article/dhdjioe.html">入利用Redis的顺序写入加快数据存储（redis顺序写）</a> </li><li> <a href="/article/dhdjioi.html">Redis缓存如何合理设置大小（redis缓存一般多大）</a> </li><li> <a href="/article/dhdjseh.html">自动化管理利用Redis槽消除冗余数据（redis槽删除）</a> </li> </ul> </div> </div> <div class="footer"> <div class="contain"> <div class="foot-nav clearfix"> <ul class="footer-menu"> <li class="dropdown" ><a class="dropdown-toggle">服务范围<b class="caret"></b></a> <ul class="child-menu"> <li><a href="/website.html">网站建设</a></li> <li><a href="/weixin/" rel="nofollow">微信开发</a></li> <li><a href="/app/" rel="nofollow">APP开发</a></li> <li><a href="/design/" rel="nofollow">品牌设计</a></li> <li><a href="/market/" rel="nofollow">营销推广</a></li> </ul> </li> <li class="dropdown"><a href="/webcase/" class="dropdown-toggle" title=德阳做网站案例>德阳做网站案例<b class="caret"></b></a> <ul class="child-menu"> <li><a href="/webcase/jtssgslist.html" id="ctl00_show_85" title="集团上市公司">集团上市公司</a></li> <li><a href="/webcase/ppwzlist.html" id="ctl01_show_81" title="品牌网站">品牌网站</a></li> <li><a href="/webcase/xiangyingshilist.html" id="ctl02_show_82" title="响应式网站">响应式网站</a></li> <li><a href="/Marketingwebsite/index.html" id="ctl03_show_83" title="营销型网站">营销型网站</a></li> <li><a href="/waimaowangzhan/index.html" id="ctl04_show_84" title="外贸网站">外贸网站</a></li> </ul> </li> <li class="dropdown"><a href="/news/" class="dropdown-toggle">新闻中心 <b class="caret"></b></a> <ul class="child-menu"> <li><a href="/news/2.html" id="ctl00_show_70" title="德阳网站建设">德阳网站建设</a></li><li><a href="/news/3.html" id="ctl00_show_70" title="德阳市网站设计">德阳市网站设计</a></li><li><a href="/news/5.html" id="ctl00_show_70" title="德阳网站制作公司">德阳网站制作公司</a></li><li><a href="/news/6.html" id="ctl00_show_70" title="德阳网站优化">德阳网站优化</a></li> </ul> </li> <li class="dropdown"><a href="/Knowledge/" class="dropdown-toggle">知识学堂 <b class="caret"></b></a> <ul class="child-menu"> <li><a href="/websitelist/12.html" title="德阳网站排名">德阳网站排名</a></li><li><a href="/websitelist/8.html" title="四川德阳网络公司">四川德阳网络公司</a></li><li><a href="/websitelist/9.html" title="德阳网站推广">德阳网站推广</a></li><li><a href="/websitelist/10.html" title="德阳小程序开发">德阳小程序开发</a></li> </ul> </li> <li class="dropdown"><a href="/about/" class="dropdown-toggle" rel="nofollow">关于我们 <b class="caret"></b></a> <ul class="child-menu"> <li><a href="/about/jj/index.html" id="ctl00_show_1300" title="公司简介" rel="nofollow">公司简介</a></li> <li><a href="/about/history/index.html" id="ctl01_show_1301" title="发展历史" rel="nofollow">发展历史</a></li> <li><a href="/about/jjtd/index.html" id="ctl02_show_1302" title="精英团队" rel="nofollow">精英团队</a></li> <li><a href="/about/join/" rel="nofollow">加入我们</a></li> <li><a href="/about/contact/" rel="nofollow">联系澄梦希喜</a></li> </ul> </li> </ul> <dl class="last-dl"> <dt> <a href="javascript:;" title="联系我们" rel="nofollow">联系澄梦希喜</a> </dt> <dd class="conta"> <span><img src="/Public/Home/images/zg_ewm.png" width="100" /><br /> 企业微信号</span> </dd> </dl> </div> <div class="childcompan clearfix"> </div> <div class="copy"> 友情链接： <a href="http://www.xhgfhy.com/ " title="犀浦雨棚定制" target="_blank">犀浦雨棚定制</a> <a href="https://www.cdcxhl.com/tuoguan.html" title="四川服务器托管" target="_blank">四川服务器托管</a> <a href="https://www.cdxwcx.com/400/" title="成都400电话办理" target="_blank">成都400电话办理</a> <a href="http://www.kmsqpw.com/" title="翁林骊柴油发电机维修" target="_blank">翁林骊柴油发电机维修</a> <a href="http://www.qkjzk.com/" title="资阳发电机维修" target="_blank">资阳发电机维修</a> <a href="http://www.scdzj.cn/" title="公路钻孔机" target="_blank">公路钻孔机</a> <a href="http://www.msfdjwx.com/" title="msfdjwx.com" target="_blank">msfdjwx.com</a> <a href="http://www.glruizhi.cn/" title="glruizhi.cn" target="_blank">glruizhi.cn</a> <a href="http://www.nzruijie.cn/" title="企业文化设计" target="_blank">企业文化设计</a> <a href="http://www.kmcje.com/" title="凉山做网站" target="_blank">凉山做网站</a> </div> <br> 123ABC<strong> <a href="/">德阳网站建设</a></strong>，德阳定制网站建设——全心全意建网站公司 </div> </div> <script type="text/javascript" src="/Public/Home/js/meiqia.js"></script> <script type="text/javascript" src="/Public/Home/js/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="/Public/Home/js/jquery.easing.1.3.js"></script> <script type="text/javascript" src="/Public/Home/js/i.js"></script> <script type="text/javascript" src="/Public/Home/js/script.js"></script> <script type="text/javascript" src="/Public/Home/js/SuperSlide.js"></script> <script type="text/javascript" src="/Public/Home/js/jquery.toTop.min.js"></script> <script type="text/javascript" src="/Public/Home/js/num-change.js"></script> <script type="text/javascript" src="/Public/Home/js/jquery.nicescroll.min.js"></script> <script type="text/javascript"> $(".menu li").eq(7).addClass("current-menu-item"); </script> </body> </html> <script> $(".con img").each(function(){ var src = $(this).attr("src"); //获取图片地址 var str=new RegExp("http"); var result=str.test(src); if(result==false){ var url = "https://www.cdcxhl.com"+src; //绝对路径 $(this).attr("src",url); } }); window.onload=function(){ document.oncontextmenu=function(){ return false; } } </script>