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  • checkbox单选(多个checkbox时只能选中一个)

    <table id="tab" cellpadding="0" cellspacing="0" border="0" width="100%">
                                        <tr height="25px">
                                            <td align="right" width="40%">
                                                <asp:Label ID="Label1" runat="server" Text="模板描述:"></asp:Label>
                                            </td>
                                            <td>
                                                <asp:TextBox ID="txtTempletText" runat="server" ReadOnly="true"></asp:TextBox>
                                            </td>
                                        </tr>
                                        <tr height="25px">
                                            <td align="right">
                                                <input type="checkbox" id="chkPer" value="1" runat="server" onclick="selchk(this)" />本人
                                            </td>
                                            <td>
                                                &nbsp;&nbsp;&nbsp;&nbsp;
                                                <input type="checkbox" id="chkAll" value="3" runat="server" onclick="selchk(this)" />本院(共用)
                                            </td>
                                        </tr>
                                        <tr height="25px">
                                            <td>
                                            </td>
                                            <td>
                                                &nbsp;&nbsp;&nbsp;&nbsp;
                                                <input type="checkbox" id="chkDept" value="2" runat="server" onclick="selchk(this)" />本科室(共用)
                                            </td>
                                        </tr>
                                    </table>

    function selchk(chk)  //chk 为 checkbox控件,   前台每个checkbox控件都需加上这方法
            {
                for(var i=0;i<form1.elements.length;i++)
                {
                    var e = form1.elements[i];
                    if(e.type!=null && e.type=="checkbox" && e.parentElement.parentElement.parentElement.parentElement.id=="tab") //表格里的所有checkbox是否全部选种
                    {
                        if(e.checked)
                        {
                            e.checked = false;
                            chk.checked = true;
                        }
                    }
                }
            }

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  • 原文地址:https://www.cnblogs.com/zhc088/p/1224878.html
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