今天就跟大家聊聊有关C# 中怎么利用CheckBox实现单选功能，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
站在用户的角度思考问题，与客户深入沟通，找到瓦房店网站设计与瓦房店网站推广的解决方案，凭借多年的经验，让设计与互联网技术结合，创造个性化、用户体验好的作品，建站类型包括：成都网站制作、成都做网站、企业官网、英文网站、手机端网站、网站推广、域名注册、网页空间、企业邮箱。业务覆盖瓦房店地区。
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。
aspx文件：
<%@ page language="c#" codebehind="webform1.aspx.cs" autoeventwireup="false" inherits="datagridcheck.webform1" %>webform1title> <meta content="microsoft visual studio .net 7.1" name="generator"> <meta content="c#" name="code_language"> <meta content="javascript" name="vs_defaultclientscript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetschema"> <script language="javascript"> function setcheckboxstate() { var dom=document.all; var el=event.srcelement; if(el.tagname=="input"&&el.type.tolowercase()=="checkbox") { for(i=0;i<dom.length;i++) { if(dom[i].tagname=="input"&&dom[i].type.tolowercase()=="checkbox") { dom[i].checked=false; } } } el.checked=!el.checked; } script> head> <body ms_positioning="gridlayout"> <form id="form1" method="post" runat="server"> <font face="宋体"> <asp:datagrid id="dg" style="z-index: 101; left: 168px; position: absolute; top: 40px" runat="server" width="440px" autogeneratecolumns="false"> <columns> <asp:templatecolumn> <itemtemplate> <asp:checkbox id="chkexport" runat="server">asp:checkbox> itemtemplate> asp:templatecolumn> <asp:boundcolumn datafield="integervalue">asp:boundcolumn> <asp:boundcolumn datafield="stringvalue">asp:boundcolumn> <asp:boundcolumn datafield="currencyvalue">asp:boundcolumn> columns> asp:datagrid><asp:button id="button1" style="z-index: 102; left: 168px; position: absolute; top: 8px" runat="server" text="显示内容">asp:button>font>form> body> html></pre><p>以下是cs文件</p><pre>using system; using system.collections; using system.componentmodel; using system.data; using system.drawing; using system.web; using system.web.sessionstate; using system.web.ui; using system.web.ui.webcontrols; using system.web.ui.htmlcontrols; namespace datagridcheck { /// <summary> /// webform1 的摘要说明。 /// summary> public class webform1 : system.web.ui.page { protected system.web.ui.webcontrols.button button1; protected system.web.ui.webcontrols.datagrid dg; private void page_load(object sender, system.eventargs e) { // 在此处放置用户代码以初始化页面 if (!page.ispostback) { dg.datasource= createdatasource() ; dg.databind(); } } icollection createdatasource() { datatable dt = new datatable(); datarow dr; dt.columns.add(new datacolumn("integervalue", typeof(int32))); dt.columns.add(new datacolumn("stringvalue", typeof(string))); dt.columns.add(new datacolumn("currencyvalue", typeof(double))); for (int i = 0; i < 9; i++) { dr = dt.newrow(); dr[0] = i; dr[1] = "item " + i.tostring(); dr[2] = 1.23 * (i + 1); dt.rows.add(dr); } dataview dv = new dataview(dt); return dv; } #region web 窗体设计器生成的代码 override protected void oninit(eventargs e) { // // codegen: 该调用是 asp.net web 窗体设计器所必需的。 // initializecomponent(); base.oninit(e); } /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// summary> private void initializecomponent() { this.dg.itemdatabound += new system.web.ui.webcontrols.datagriditemeventhandler(this.dg_itemdatabound); this.button1.click += new system.eventhandler(this.button1_click); this.load += new system.eventhandler(this.page_load); } #endregion private void button1_click(object sender, system.eventargs e) { system.web.ui.webcontrols.checkbox chkexport; foreach (datagriditem dgitem in dg.items) { chkexport=(checkbox)dgitem.findcontrol("chkexport"); if(chkexport.checked) { response.write("<script>alert("+dgitem.cells[2].text+"和"+dgitem.cells[3].text+")script>"); } } } private void dg_itemdatabound(object sender, system.web.ui.webcontrols.datagriditemeventargs e) { if(e.item.itemindex<0) return; if(e.item.itemtype == listitemtype.item || e.item.itemtype == listitemtype.alternatingitem) { system.web.ui.webcontrols.checkbox chkexport; chkexport=(checkbox)e.item.findcontrol("chkexport"); chkexport.attributes.add("onclick","setcheckboxstate()"); e.item.attributes.add("onmouseover","currentcolor=this.style.backgroundcolor;this.style.backgroundcolor=48d1cc"); e.item.attributes.add("onmouseout","this.style.backgroundcolor=currentcolor"); } } } }</pre><p>看完上述内容，你们对C# 中怎么利用CheckBox实现单选功能有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注创新互联行业资讯频道，感谢大家的支持。</p> <br> 分享文章：C#中怎么利用CheckBox实现单选功能 <br> URL分享：<a href="http://cxhlcq.com/article/jhiish.html">http://cxhlcq.com/article/jhiish.html</a> </div> </div> </div> <div class="other container"> <h3>其他资讯</h3> <ul> <li> <a href="/article/dshisps.html">阿里云用的谁的服务器地址 阿里云用的服务器是哪家公司的</a> </li><li> <a href="/article/dshieij.html">linux命令抓包 linux抓包工具有哪些</a> </li><li> <a href="/article/dshiepp.html">php数据加密技术交流 php加密解密算法</a> </li><li> <a href="/article/dshisgd.html">小程序阿里云服务器费用 阿里云搭建微信小程序服务器</a> </li><li> <a href="/article/dshieis.html">帝国CMS全自动采集插件 帝国cms全自动采集插件下载</a> </li> </ul> </div> <div class="footer"> <div class="foota container"> <div class="foot_nav fl col-lg-8 col-md-8 col-sm-12 col-xs-12"> <ul> <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6"> <h3>网站制作</h3> <a href="http://chengdu.cdcxhl.com/" target="_blank">成都营销网站制作</a><a href="http://chengdu.cdxwcx.cn/" target="_blank">成都网站制作</a><a href="http://www.cxjianzhan.com/mobile/" target="_blank">手机网站制作</a><a href="http://chengdu.xwcx.net/mobile/" target="_blank">移动手机网站制作</a><a href="https://www.cdcxhl.com/mobile.html" target="_blank">手机网站制作</a><a href="http://www.scyanting.com/" target="_blank">盐亭网站制作公司</a> </li> <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6"> <h3>企业服务</h3> <a href="https://www.cdcxhl.com/service/licence.html" target="_blank">药房许可证</a><a href="https://www.cdcxhl.com/service/wenwangwen.html" target="_blank">网络文化经营许可证</a><a href="https://www.cdcxhl.com/link/" target="_blank">卖友情链接</a><a href="https://www.cdcxhl.com/ruanwen/yingxiao/" target="_blank">软文发稿</a><a href="https://www.cdcxhl.com/ruanwen/yingxiao/" target="_blank">软文推广</a><a href="https://www.cdcxhl.com/mianfei/zuo/chengdu.html" target="_blank">免费做网站</a> </li> <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6"> <h3>网站建设</h3> <a href="http://www.cdkjz.cn/" target="_blank">成都网站建设</a><a href="http://chengdu.cdcxhl.cn/H5/" target="_blank">成都响应式网站建设公司</a><a href="https://www.cdcxhl.com/" target="_blank">成都网站建设</a><a href="http://www.kswcd.cn/" target="_blank">专业网站建设</a><a href="https://www.cdcxhl.com/qiye.html" target="_blank">成都企业网站建设</a><a href="http://www.wjwzjz.com/" target="_blank">温江网站建设</a> </li> <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6"> <h3>服务器托管</h3> <a href="https://www.cdcxhl.com/idc/gylt.html" target="_blank">贵阳联通机房</a><a href="https://www.cdcxhl.com/tuoguan/zongshu/" target="_blank">成都棕树机房</a><a href="http://www.cdfuwuqi.com/" target="_blank">服务器托管机房</a><a href="http://www.cdxwcx.cn/tuoguan/mianyang.html" target="_blank">绵阳服务器托管</a><a href="https://www.cdcxhl.com/idc/deyang.html" target="_blank">德阳服务器托管</a><a href="https://www.cdcxhl.com/tuoguan/yidong/" target="_blank">移动服务器托管</a> </li> </ul> </div> <div class="footar fl col-lg-4 col-md-4 col-sm-12 col-xs-12"> <p>全国免费咨询:</p> <b>400-028-6601</b> <p>业务咨询：028-86922220 / 13518219792</p> <p>节假值班：18980820575 / 13518219792</p> <p>联系地址：成都市太升南路288号锦天国际A幢1002号</p> </div> </div> <div class="footb"> <div class="copy container"> <div class="fl">Copyright © 成都创新互联科技有限公司重庆分公司 <a href="https://beian.miit.gov.cn/" target="_blank">渝ICP备2021005571号</a></div> <!--<div class="fr"><a href="https://www.cdxwcx.com/" target="_blank">成都网站建设</a>：<a href="https://www.cdcxhl.com/" target="_blank">创新互联</a></div>--> </div> </div> <div class="link"> <div class="container"> 友情链接:： <a href="https://www.cdcxhl.com/" target="_blank">成都网站建设</a> <a href="https://www.cdcxhl.com/city/chongqing.html" target="_blank">重庆网站建设</a> <a href="">四川网站建设</a> <a href="">重庆建设网站</a> <a href="https://www.cdxwcx.com/jifang/xiyun.html" target="_blank">移动服务器托管</a> <a href="http://www.cdfuwuqi.com/" target="_blank">成都服务器托管</a> <a href="https://www.cdcxhl.cn/" target="_blank">云服务器</a> <a href="http://www.cdhuace.com/" target="_blank">广告设计制作</a> <a href="https://www.cdcxhl.com/sheji/chongqing.html" target="_blank">重庆网页设计</a> <a href="https://www.cdcxhl.com/zuo/chongqing.html" target="_blank">重庆做网站</a> <a href="https://www.cdcxhl.com/zhizuo/chongqing.html" target="_blank">重庆网站制作</a> <a href="">重庆网站建设</a> <a href="">重庆网站公司</a> <a href="">渝中网站制作</a> <a href="">重庆网站设计</a> </div> </div> </div> <div class="foot"> <ul class="public-celan"> <li> <a href="https://p.qiao.baidu.com/cps3/chatIndex?siteToken=6ce441ff9e2d6bedbdfc2a4138de449e&speedLogId=162260383240185e3_1622603832401_02407&eid=6256368&reqParam=%7B%22from%22%3A1%2C%22sessionid%22%3A%22-100%22%2C%22siteId%22%3A%2211284691%22%2C%22tid%22%3A%22-1%22%2C%22userId%22%3A%226256368%22%2C%22ttype%22%3A1%2C%22pageId%22%3A0%7D" target="_blank" class="a1 db tc"> <img src="/Public/Home/img/icon-23.png" alt="" class="db auto"> <span class="span-txt">在线咨询</span> </a> </li> <li> <a href="tel:18980820575" class="a1 db tc"> <img src="/Public/Home/img/icon-24.png" alt="" class="db auto"> <span class="span-txt">电话咨询</span> </a> </li> <li> <a target="_blank" href="tencent://message/?uin=1683211881&Site=&Menu=yes" class="a1 db tc"> <img src="/Public/Home/img/icon-25.png" alt="" class="db auto"> <span class="span-txt">QQ咨询</span> </a> </li> <li> <a target="_blank" href="tencent://message/?uin=532337155&Site=&Menu=yes" class="a1 db tc public-yuyue-up"> <img src="/Public/Home/img/icon-26.png" alt="" class="db auto"> <span class="span-txt">预约顾问</span> </a> </li> </ul> </div> <div class="customer"> <dl class="icon1"> <dt> <a href="tencent://message/?uin=1683211881&Site=&Menu=yes"> <i class="iconT"><img src="/Public/Home/img/QQ.png" alt=""></i> <p>在线咨询</p> </a> </dt> </dl> <dl class="icon2"> <dt><i><img src="/Public/Home/img/weixin.png" alt=""></i><p>微信咨询</p></dt> <dd><img src="/Public/Home/img/ewm.png"></dd> </dl> <dl class="icon3"> <dt><i><img src="/Public/Home/img/dianhua.png" alt=""></i><p>电话咨询</p></dt> <dd> <p>028-86922220（工作日）</p> <p>18980820575（7×24）</p> </dd> </dl> <dl class="icon4"> <dt class="sShow"> <a href="tencent://message/?uin=244261566&Site=&Menu=yes"> <i><img src="/Public/Home/img/dengji.png" alt=""></i><p>提交需求</p> </a> </dt> </dl> <dl class="icon5"> <dt class="gotop"> <a href="#top"> <i><img src="/Public/Home/img/top.png" alt=""></i><p>返回顶部</p> </a> </dt> </dl> </div> </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>
重庆分公司
重庆分公司