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asp.net listbox实现单选全选取消

程序员文章站 2024-02-24 14:26:40
前台 复制代码 代码如下: 部门多选
前台
复制代码 代码如下:

<head runat="server">
<title>部门多选</title>
<meta name="generator" content="microsoft visual studio.net 7.0">
<meta name="code_language" content="c#">
<meta name="vs_defaultclientscript" content="javascript">
<meta name="vs_targetschema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript" type="text/javascript">
function ok()
{
window.close();
opener.document.all.txtotherman.value = window.form2.hide.value;
}
function cancel()
{
window.close();
}
</script>
</head>
<body>
<form id="form2" method="post" runat="server">
<table style="width: 600px; position: absolute; height: 320px" cellspacing="0" cellpadding="0" border="0">
<tr>
<td style="width: 600px; height: 20px">
<input id="hide" type="hidden" value="<%=pass()%>">
<button id="ok" onclick="javascript:ok();" type="button">确定</button>
<button id="cancel" onclick="javascript:cancel();" type="button">取消</button>
<%-- <asp:button id="button1" runat="server" text="确定" onclick="button1_click" />--%>
</td>
</tr>
<tr>
<td style="width: 600px; height: 310px;" valign="top" align="left">
<div class="box" style="width: 600px ;height: 300px; left: 0px; top: 0px;">

<asp:listbox id="userlist" style="z-index: 105; left: 27px; position: absolute; top: 56px" runat="server" height="201px" width="200px" selectionmode="multiple" datatextfield="name" datavaluefield="name"></asp:listbox>
<asp:listbox id="lstselemp" style="z-index: 106; left: 317px; position: absolute; top: 58px" runat="server" height="202px" width="211px"></asp:listbox>
<asp:label id="label4" style="z-index: 107; left: 30px; position: absolute; top: 32px" runat="server" cssclass="tttable">选取部门：</asp:label>
<asp:label id="label5" style="z-index: 108; left: 316px; position: absolute; top: 34px" runat="server" cssclass="tttable" height="18px" width="108px">已选定部门：</asp:label>
<asp:button id="cmdadd" style="z-index: 109; left: 235px; position: absolute; top: 145px" runat="server" cssclass="bsbttn" height="27px" width="63px" text="添加->" onclick="cmdadd_click"></asp:button>
<asp:button id="cmddel" style="z-index: 110; left: 237px; position: absolute; top: 184px" runat="server" cssclass="bsbttn" height="30px" width="60px" text="<-删除" onclick="cmddel_click"></asp:button>
<asp:button id="cmdaddall" style="z-index: 111; left: 238px; position: absolute; top: 64px" runat="server" cssclass="bsbttn" height="30px" width="60px" text="全选" onclick="cmdaddall_click"></asp:button>
<asp:button id="cmddelall" style="z-index: 112; left: 236px; position: absolute; top: 104px" runat="server" cssclass="bsbttn" height="30px" width="60px" text="全不选" onclick="cmddelall_click"></asp:button>
</div>
</td>
</tr>
</table>
</form>

</body>

后台
复制代码 代码如下:

using system;
using system.data;
using system.configuration;
using system.collections;
using system.web;
using system.web.security;
using system.web.ui;
using system.web.ui.webcontrols;
using system.web.ui.webcontrols.webparts;
using system.web.ui.htmlcontrols;
using bll;
using model;
public partial class boarding_harmselroleemp : system.web.ui.page
{
protected void page_load(object sender, system.eventargs e)
{
if(!ispostback)
{

if (bll.emailuser.getemailuserbyid(session["username"].tostring()).usercompany.tostring() == "北京")//登录判断

{

//左侧listbox绑定部门
this.userlist.items.clear();
this.userlist.items.add(new listitem("总董事长办公室", "总董事长办公室"));
this.userlist.items.add(new listitem("财务", "财务"));
this.userlist.items.add(new listitem("市场", "市场"));
this.userlist.items.add(new listitem("行政", "行政"));
this.userlist.items.add(new listitem("it", "it"));
}

}
}
protected void cmdadd_click(object sender, system.eventargs e)//添加到右侧
{
bool exist=false;//判断在右侧是否存在，不存在则将左侧部门添加到右侧
foreach( listitem li in lstselemp.items)
{
if(li.value==userlist.selecteditem.value)
{
exist=true;
}
}
if(exist==false)
{
lstselemp.items.add(new listitem(userlist.selecteditem.text,userlist.selecteditem.value));
}
}
protected void cmddel_click(object sender, system.eventargs e)//取消右侧选择
{
lstselemp.items.remove(lstselemp.selecteditem);
}
protected void cmddelall_click(object sender, system.eventargs e)//全部取消右侧选择
{
for(int i=0;i<lstselemp.items.count; )
lstselemp.items.remove(lstselemp.items[i]);
}
protected void cmdaddall_click(object sender, system.eventargs e)//全部添加到右侧
{
foreach(listitem li in userlist.items)
{
bool exist=false;
foreach( listitem lised in lstselemp.items)
if(lised.value==li.value)
exist=true;
if(exist==false)
lstselemp.items.add(new listitem(li.text,li.value));
}
}
public string pass()
{
string txt="";
for(int j=0;j < lstselemp.items.count;j++)
{
txt+=lstselemp.items[j];
txt+="','";
}
return txt;
}
}

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