[英]Check CheckBox inside inner Repeater from outer Repeater checked in Asp.Net
There are two CheckBoxes one is in outer Repeater and other is inside inner Repeater. 有两个CheckBoxes,一个位于外部Repeater中,另一个位于内部Repeater中。
I would like to automatically check CheckBox of inner Repeater when checked the outer Repeater's CheckBox. 我想在检查外部中继器的CheckBox时自动检查内部中继器的CheckBox。
HTML Markup: HTML标记:
<asp:Repeater ID="repOuter" runat="server">
<ItemTemplate>
<asp:CheckBox ID="chkOuter" runat="server"
OnCheckedChanged="chkOuter_CheckedChanged" />
<asp:Repeater ID="repInner" runat="server">
<ItemTemplate>
<asp:CheckBox ID="chkInner" runat="server" />
</ItemTemplate>
</asp:Repeater>
</ItemTemplate>
</asp:Repeater>
Code-Behind 代码隐藏
protected void chkOuter_CheckedChanged(object sender, EventArgs e)
{
// can't have access to inner CheckBox placed inside Inner Repeater
CheckBox innerCheckBox; // how?
innerCheckBox.Checked = true; // want to check it
}
You can try this(though untested). 您可以尝试此(尽管未经测试)。
CheckBox chkOuter = (sender as CheckBox);
RepeaterItem item = (RepeaterItem)chkOuter.NamingContainer;
Repeater rp = item.FindControl("repInner") as Repeater;
foreach (RepeaterItem item in rp.Items)
{
(item.FindControl("chkInner") as CheckBox).Checked = chkOuter.Checked;
}
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