请教高手关于B/S的问题怎么解决,在线等
B/S网页中 我有checkebox1,checkebox2,checkbox3,checkbox4四控件怎么样实现当我checkbox1被选中时候其它控件自动不选中状态,当2-4中任何一个被选中适合checkbox1的checked属性自动为false,我在控件的checkedchange事件中设置不可以。
[解决办法]
一个个的写事件就是了吧
如果只控件1的话234可以共用一个事件
[解决办法]
AUTOPOST设置为TRUE
[解决办法]
javascript 中checkbox的onclick事件
大概:
document.getElementById( "checkbox2 "/*2-4*/).checked = ! document.getElementById( "checkbox1).checked ;
其它雷同
[解决办法]
把checkbox的autopostback设为true,当点击的时侯就在提交到后台,在C#里做处理就行了!
[解决办法]
朋友..你CheckBox的属性AutoPostBack= "True "要改成这个.不知道你改了没有..
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
CheckBox2.Checked = false;
CheckBox3.Checked = false;
CheckBox4.Checked = false;
}
protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
{
CheckBox1.Checked = false;
}
protected void CheckBox3_CheckedChanged(object sender, EventArgs e)
{
CheckBox1.Checked = false;
}
protected void CheckBox4_CheckedChanged(object sender, EventArgs e)
{
CheckBox1.Checked = false;
}
}
[解决办法]
<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "Default2.aspx.cs " Inherits= "Default2 " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml " >
<head runat= "server ">
<title> 无标题页 </title>
</head>
<body>
<form id= "form1 " runat= "server ">
<div>
<asp:CheckBox ID= "CheckBox1 " runat= "server " AutoPostBack= "True " OnCheckedChanged= "CheckBox1_CheckedChanged " /> <br />
<br />
<asp:CheckBox ID= "CheckBox2 " runat= "server " AutoPostBack= "True " OnCheckedChanged= "CheckBox2_CheckedChanged " /> <br />
<br />
<asp:CheckBox ID= "CheckBox3 " runat= "server " AutoPostBack= "True " OnCheckedChanged= "CheckBox3_CheckedChanged " /> <br />
<br />
<asp:CheckBox ID= "CheckBox4 " runat= "server " AutoPostBack= "True " OnCheckedChanged= "CheckBox4_CheckedChanged " /> </div>
</form>
</body>
</html>
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;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
if (CheckBox1.Checked)
{
CheckBox2.Checked = false;
CheckBox3.Checked = false;
CheckBox4.Checked = false;
}
}
protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
{
if (CheckBox2.Checked)
{
CheckBox1.Checked = false;
}
}
protected void CheckBox3_CheckedChanged(object sender, EventArgs e)
{
if (CheckBox3.Checked)
{
CheckBox1.Checked = false;
}
}
protected void CheckBox4_CheckedChanged(object sender, EventArgs e)
{
if (CheckBox4.Checked)
{
CheckBox1.Checked = false;
}
}
}
[解决办法]
这样的小问题,在前台用Javascript实现是正道!
<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "Default2.aspx.cs " Inherits= "Default2 " %>
<html>
<head runat= "server ">
<title> 无标题页 </title>
</head>
<script>
function Change1(){
document.getElementById( "CheckBox2 ").checked=false;
document.getElementById( "CheckBox3 ").checked=false;
document.getElementById( "CheckBox4 ").checked=false;
}
function Change2(){
document.getElementById( "CheckBox1 ").checked=false;
}
</script>
<body>
<form id= "form1 " runat= "server ">
<asp:CheckBox ID= "CheckBox1 " onclick= "Change1() " runat= "server " />
<asp:CheckBox ID= "CheckBox2 " onclick= "Change2() " runat= "server " />
<asp:CheckBox ID= "CheckBox3 " onclick= "Change2() " runat= "server " />
<asp:CheckBox ID= "CheckBox4 " onclick= "Change2() " runat= "server " />
</form>
</body>
</html>
[解决办法]
需要吗
[解决办法]
1.
客户端方法
<script>
function Change1(sender){
if(sender.checked) {
document.getElementById( "CheckBox2 ").checked=false;
document.getElementById( "CheckBox3 ").checked=false;
document.getElementById( "CheckBox4 ").checked=false;
}
}
function Change2(sender){
if(sender.checked){
document.getElementById( "CheckBox1 ").checked=false;
}
}
</script>
<asp:CheckBox ID= "CheckBox1 " onclick= "Change1(this) " runat= "server " />
<asp:CheckBox ID= "CheckBox2 " onclick= "Change2(this) " runat= "server " />
<asp:CheckBox ID= "CheckBox3 " onclick= "Change2(this) " runat= "server " />
<asp:CheckBox ID= "CheckBox4 " onclick= "Change2(this) " runat= "server " />
2.
服务器端方法
// .aspx
<asp:checkbox id=CheckBox1 autopostback=true
oncheckedchanged=CheckBox1_CheckedChanged runate=server/>
<asp:checkbox id=CheckBox2 autopostback=true oncheckedchanged=CheckBox234_CheckedChanged runate=server/>
<asp:checkbox id=CheckBox3 autopostback=true oncheckedchanged=CheckBox234_CheckedChanged runate=server/>
<asp:checkbox id=CheckBox4 autopostback=true oncheckedchanged=CheckBox234_CheckedChanged runate=server/>
// .aspx.cs
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
if(CheckBox1.Checked) {
CheckBox2.Checked = false;
CheckBox3.Checked = false;
CheckBox4.Checked = false;
}
}
protected void CheckBox234_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk = sender as CheckBox;
if(chk.Checked) {
CheckBox1.Checked = false;
}
}
[解决办法]
用前台就可以了
方法如 Jialang(疯狂键盘) 所写
逻辑不用帮忙吧