[英]ASP Radiobutton oncheckedchange not firing
我在转发器内部有一个自定义单选按钮,当用户点击它时,它应该触发后面的代码,但这根本不会触发。 我在方法的开头放置了一个断点,它永远不会到达。 唯一确实发生的事情是updatepanel的回发
<EclipseUI:CustomRadioButton runat="server" ID="RadioButton_Select"
ClientIDMode="AutoID" ToolTip='<%# "id_" + Eval("FeaturePackId") %>' GroupName='<%# "id_" + Eval("FeaturePackId") %>'
OnCheckedChanged="RadioButton_Select_OnCheckedChanged" AutoPostBack="True"/>
后面的代码就是这样,它取每个已检查的radiobutton的值并将其放在隐藏的字段中以供以后使用。
protected void RadioButton_Select_OnCheckedChanged(object sender, EventArgs e)
{
StringBuilder sb = new StringBuilder();
sb.Clear();
foreach (RepeaterItem repeaterItem in Repeater_Select.Items)
{
CustomRadioButton radioButton = repeaterItem.FindControl("RadioButton_Select") as CustomRadioButton;
if (radioButton != null)
{
if (radioButton.Checked)
{
sb.Append(radioButton.GroupName.Substring(4));
}
else
{
sb.Replace(radioButton.GroupName.Substring(4), "");
}
}
}
HF_Feature.Value = sb.ToString();
}
我的问题是,这根本不会发生。
编辑
我的代码现在如下,并且项目数据绑定事件被命中,因此将事件处理程序的+ =赋值给radiobutton但是单击radiobutton仍然没有在radiobutton方法的OnCheckedChange中击中我的断点:
protected void Page_Load(object sender, EventArgs e)
{
Repeater_Select.ItemDataBound += new RepeaterItemEventHandler(Repeater_Select_OnItemDataBound);
}
protected void Repeater_Select_OnItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
CustomRadioButton customRbtn = (CustomRadioButton)e.Item.FindControl("RadioButton_Select");
customRbtn.CheckedChanged += new EventHandler(RadioButton_Select_OnCheckedChanged);
}
}
但它仍然无法正常工作
在转发器中,您必须连接转发器_ItemDataBound内的OnCheckedChanged事件。
protected void Page_Init(object sender, EventArgs e
{
myRepeater.ItemDataBound += new RepeaterItemEventHandler(myRepeater_ItemDataBound);
}
接着..
private void myRepeater_ItemDataBound(object sender, RepeaterCommandEventArgs e)
{
if (e.Item.ItemType != ListItemType.Item && e.Item.ItemType !=
ListItemType.AlternatingItem)
{
CustomRadioButton customRbtn = (CustomRadioButton)e.Item.FindControl("RadioButton_Select");
//Now you have an instance of your eclipse radio button so you can do what you want with it.
}
}
看看这个: asp : onCheckedChanged事件处理程序在取消选中复选框时不会触发 “_ItemDataBound”连接的方式。
如果你在.aspx文件中使用项目模板,这篇文章可能会更接近您的问题。 http://www.codeguru.com/csharp/.net/net_asp/tutorials/article.php/c12065/ASPNET-Tip-Use-the-ItemDataBound-Event-of-a-Repeater.htm
只是尝试设置CauseValidation =“false” (除了Autopostback =“true”)
<EclipseUI:CustomRadioButton runat="server" ID="RadioButton_Select" ClientIDMode="AutoID" ToolTip='<%# "id_" + Eval("FeaturePackId") %>' GroupName='<%# "id_" + Eval("FeaturePackId") %>' OnCheckedChanged="RadioButton_Select_OnCheckedChanged" AutoPostBack="True" CauseValidation="false"/>
有用...
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