[英]Repeater bind user control event
我有一个带有转发器的Web用户控件,并且在转发器内部我有一个动态的单选按钮,在page_load上,我试图调用转发器的onDataItemBound事件以查找单选按钮并将oncheckedchanged事件绑定到我的代码中的方法,但是无法正常工作,这是我的代码:
protected void Page_Load(object sender, EventArgs e)
{
Repeater_Select.ItemDataBound += Repeater_Select_OnItemDataBound;
}
protected void Repeater_Select_OnItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
var customRbtn = (CustomRadioButton)e.Item.FindControl("RadioButton_Select");
customRbtn.CheckedChanged += RadioButton_Select_OnCheckedChanged;
}
}
我设法解决了我的问题,问题是我在此OnItemDataBound
之前调用了另一个方法,该方法在转发器上调用了DataBind()
,因此我简单地颠倒了顺序, OnItemDataBound
的调用放在其他方法之前,如下所示:
protected void Page_Init(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindRadioOnChecked();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GetFeaturePackData();
}
}
private void BindRadioOnChecked()
{
foreach (RepeaterItem item in Repeater_Select.Items)
{
if (item.ItemType == ListItemType.Item || item.ItemType == ListItemType.AlternatingItem)
{
CustomRadioButton customRbtn = (CustomRadioButton)item.FindControl("RadioButton_Select");
customRbtn.CheckedChanged += RadioButton_Select_OnCheckedChanged;
}
}
}
现在它在Page_Init
内部,因此在Page_Load
之前触发
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