DataGrid中加入CheckBox,并實(shí)現(xiàn)c# CheckBox單選原理就是用js遍列所有CheckBox把所有CheckBox設(shè)為未被選中,然后在把單擊的CheckBox設(shè)為選中。
以下是c# CheckBox單選的實(shí)現(xiàn)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="宋體"<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="顯示內(nèi)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 的摘要說明。 </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>// 在此處放置用戶代碼以初始化頁面 </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 窗體設(shè)計(jì)器生成的代碼 </li> <li>override protected void oninit(eventargs e) </li> <li>{ </li> <li>// </li> <li>// codegen: 該調(diào)用是 asp.net web 窗體設(shè)計(jì)器所必需的。 </li> <li>// </li> <li>initializecomponent(); </li> <li>base.oninit(e); </li> <li>} </li> <li>/// <strong><summary></strong> </li> <li>/// 設(shè)計(jì)器支持所需的方法 - 不要使用代碼編輯器修改 </li> <li>/// 此方法的內(nèi)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>以上就是筆者實(shí)現(xiàn)C# CheckBox單選事件的方法，希望能給大家?guī)韼椭?/p> <br> 分享文章：簡(jiǎn)單實(shí)現(xiàn)C#CheckBox單選的相關(guān)功能 <br> 分享地址：<a href="http://uogjgqi.cn/article/djhsocc.html">http://uogjgqi.cn/article/djhsocc.html</a> </div> <div id="5v7ndpv" class="view-qrocde cl"> <div id="71dtd3h" class="m z"><img src="/Public/Home/images/ew.jpg"/></div> <div id="xxnflnd" class="text"> <h6>掃二維碼與項(xiàng)目經(jīng)理溝通</h6> <p>我們?cè)谖⑿派?4小時(shí)期待你的聲音</p> <p>解答本文疑問/技術(shù)咨詢/運(yùn)營咨詢/技術(shù)建議/互聯(lián)網(wǎng)交流</p> </div> </div> <div id="nlf3rxt" class="othernews cl"> <h3>其他資訊</h3> <ul> <li><a href="/article/cdissdp.html">小說網(wǎng)站怎么建立？（不用備案vps租用怎么選擇）</a></li><li><a href="/article/cdischg.html">兩款超好用的Kubernetes實(shí)時(shí)日志查看工具</a></li><li><a href="/article/cdisscc.html">Freenet是什么意思？</a></li><li><a href="/article/cdissed.html">Linux用戶變量：解鎖更高效的工作（linux用戶變量）</a></li><li><a href="/article/cdissce.html">怎么連接Linux云服務(wù)器</a></li> </ul> </div> </div> </div> <div id="fznzp5b" class="sidebar"> <div id="5pt35ht" class="tuijian"> <a href="#"> <h2 class="cl"><span>行業(yè)動(dòng)態(tài)</span></h2> <h3>企業(yè)網(wǎng)站建設(shè)的重要性！</h3> <p>現(xiàn)在雖然是移動(dòng)互聯(lián)網(wǎng)時(shí)代，但企業(yè)網(wǎng)站依然重要，包含PC站點(diǎn)，移動(dòng)站?？梢哉f企業(yè)網(wǎng)站關(guān)系企業(yè)的未來發(fā)展和前途，尤其對(duì)中小企業(yè)更是如此，一些中小企業(yè)老板，對(duì)自己的名片很在乎，因?yàn)檫@是個(gè)門面。...</p> </a> </div> <div id="1prfxnt" class="ser sidesub"> <h2>服務(wù)項(xiàng)目</h2> <ul class="ebox"> <li id="7rfnh3v" class="sub sub-1"> <div> <h3>網(wǎng)站建設(shè)</h3> <p></p> <a class="btn" href="/serve/website/">查看詳情</a> </div> </li> <li id="953ntr5" class="sub sub-1"> <div> <h3>移動(dòng)端/APP</h3> <p></p> <a class="btn" href="/serve/moblie/">查看詳情</a> </div> </li> <li id="x33btd7" class="sub sub-1"> <div> <h3>微信/小程序</h3> <p></p> <a class="btn" href="/serve/small/">查看詳情</a> </div> </li> <li id="hvhffpx" class="sub sub-1"> <div> <h3>技術(shù)支持</h3> <p></p> <a class="btn" href="/serve/tech/">查看詳情</a> </div> </li> <li id="x9dzx5t" class="sub sub-1"> <div> <h3>其它服務(wù)</h3> <p></p> <a class="btn" href="/serve/othe/">查看詳情</a> </div> </li> <li id="3rz9j31" class="sub sub-5"> <div> <h3>更多服務(wù)項(xiàng)目</h3> <p> <a>用我們的專業(yè)和誠信贏得您的信賴，從PC到移動(dòng)互聯(lián)網(wǎng)均有您想要的服務(wù)！</a></p> <a class="btn" href="/serve/">獲取更多</a> </div> </li> </ul> </div> <div id="bb1jxnt" class="contact" id="fix"> <h2 class="cl"> <span>聯(lián)系吧</span> <a class="ditu" rel="nofollow" target="_blank">在百度地圖上找到我們</a> </h2> <h3>電話：13518219792</h3> <p>如遇占線或暫未接聽請(qǐng)撥：136xxx98888</p> <div id="pdbrfzj" class="qq"> <a rel="nofollow" target="_blank">業(yè)務(wù)咨詢</a> <a rel="nofollow" target="_blank">技術(shù)咨詢</a> <a rel="nofollow" target="_blank">售后服務(wù)</a> </div> </div> </div> <script> //固定滾動(dòng) (function () { var oDiv = document.getElementById("fix"); 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