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> 文章题目：简单实现C#CheckBox单选的相关功能 <br> 文章分享：<a href="http://jxruijie.cn/article/djhsocc.html">http://jxruijie.cn/article/djhsocc.html</a> </div> </div> <div class="contentr fr"> <h3>其他资讯</h3> <ul> <li> <a href="/article/cociioh.html">备案模板名称怎么填写？(备案名称如何填写才正确)</a> </li><li> <a href="/article/cocigoj.html">个人服务器多个ip?（个人服务器多个端口外网访问)</a> </li><li> <a href="/article/cocigcd.html">过期域名续费多久生效?（过期域名续费多久生效啊)</a> </li><li> <a href="/article/cocigds.html">Redis中查询所有值的方法（redis查询所有的值）</a> </li><li> <a href="/article/cocigdi.html">浅谈JavaScript的语言特性</a> </li> </ul> </div> </div> </div> <!--底部--> <footer> <div class="foot"> <div class="container"> <h1>广皓图文建站您身边的网站建设服务商</h1> <div class="foot1"> <ul> <li> <dl><i class="iconfont"></i><b>地址ADDRESS</b></dl> <p>四川-成都青羊区太升南路288号<br> 锦天国际A座10楼 </p> </li> <li> <dl><i class="iconfont"></i><b>电话/TEL</b></dl> <p><a href="tel:02886922220" target="_blank">028 86922220</a> (工作日)<br> <a href="tel:18980820575" target="_blank">1898082 0575</a> ( 7x24 ) </p> </li> <li> <dl><i class="iconfont"></i><b>QQ咨询</b></dl> <p> 244261566 (售前)<br> 631063699 (售后) </p> </li> <li> <dl><i class="iconfont"></i><b>邮箱/E: mail</b></dl> <p> service@cdcxhl.com (业务)<br> hr@cdcxhl.com (求职) </p> </li> </ul> </div> <div class="link"> 友情链接： <a href="http://www.jtfdjzy.com/" title="成都宣传单设计" target="_blank">成都宣传单设计</a> <a href="http://chengdu.kswsj.cn/" title="成都网站SEO优化公司" target="_blank">成都网站SEO优化公司</a> <a href="http://www.zejunkj.cn/" title="泽君科技" target="_blank">泽君科技</a> <a href="http://www.cqcxhl.com/service/ds.html" title="重庆电商网站建设" target="_blank">重庆电商网站建设</a> <a href="http://www.swwzsj.com/" title="成都精神堡垒制作" target="_blank">成都精神堡垒制作</a> <a href="https://www.scvps.cn/" title="云服务器" target="_blank">云服务器</a> <a href="http://www.slcr8.cn/" title="成都定制无纺布手提袋" target="_blank">成都定制无纺布手提袋</a> <a href="http://www.gawzjs.com/" title="广安网站建设" target="_blank">广安网站建设</a> <a href="http://www.qlmbz.com/" title="木包装箱" target="_blank">木包装箱</a> <a href="http://www.cdhuace.com/faguangzi/wbfgz.html" title="led无边发光字" target="_blank">led无边发光字</a> </div> </div> </div> <div class="copy container"> Copyright © 2025 All Rights Reserved. 青羊区广皓图文设计工作室（个体工商户） 版权所有 <a href="http://www.beian.miit.gov.cn/" target="_blank" rel="nofollow">蜀ICP备2025118593号-7</a> [原创设计,独立版权。未经许可.不得拷贝或镜像]<br> <a href="http://www.kswsj.cn/" target="_blank">网站营销推广</a> | <a href="https://www.cdcxhl.com/pinpai.html" target="_blank">品牌网站设计</a> | <a href="http://www.cdweb.net/" target="_blank">自适应网站建设</a> | <a href="http://cdkjz.cn/wangzhan/pinpai/" target="_blank">品牌网站建设</a> | <a href="http://chengdu.cdxwcx.cn/" target="_blank">成都网站制作</a> | <a href="https://www.cdcxhl.com/cloud/" target="_blank">云服务器</a> | <a href="https://www.cdcxhl.com/weihu/abazhou.html" target="_blank">自贡网站维护</a> | (自贡网站建设QQ : 631063699 )</div> </footer> <!--在线咨询--> <div class="fot"> <ul> <li> <a href="mqqwpa://im/chat?chat_type=wpa&uin=532337155&version=1&src_type=web&web_src=oicqzone.com" target="_blank"> <img src="/Public/Home/img/fot1.png" alt="建站咨询"> <p>在线咨询</p> </a> </li> <li> <a href="tel:18980820575" target="_blank"> <img src="/Public/Home/img/fot2.png" alt="建站电话"> <p>拨打电话</p> </a> </li> </ul> </div> </body> </html> <script> $(".con img").each(function(){ var src = $(this).attr("src"); 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