[英]Checkbox for images in an ASP.NET repeater controls
I am working with ASP.NET. 我与ASP.NET的工作。 I am using a repeater to display images, and I also am using a check box for each image.
我正在使用中继器来显示图像,并且还为每个图像使用了复选框。
How can I select individual images and update their values as per image id? 如何选择单个图像并根据图像ID更新其值?
My code is: 我的代码是:
protected void Button3_Click(object sender, EventArgs e)
{
foreach (RepeaterItem ritem in Repeater1.Items)
{
CheckBox btn = ritem.FindControl("CheckBox1") as CheckBox;
if (btn.Checked == true)
{
string chrck = btn.Text;
}
}
}
This my control which i have use : 这是我使用的控件:
<asp:Repeater ID="Repeater1" runat="server">
<ItemTemplate>
<br />
<img ID="ImageZoom" runat="server"
src='<%# DataBinder.Eval(Container.DataItem, "ImageUrl") %>'
style="display: inline; height:auto; left: 0pt; top: 0pt;
width:auto;" />
<asp:CheckBox ID="CheckBox1" runat="server" Enabled="True"
Text='<%# DataBinder.Eval(Container.DataItem, "ImageId") %>'
oncheckedchanged="RepeaterCheckBox_CheckedChanged"/>
</ItemTemplate>
</asp:Repeater>
<br />
<br />
<asp:Button ID="Button1" runat="server" onclick="Button3_Click" Text="Pint" />
But in c# code, I am always getting IsChecked value = false . 但是在C#代码中,我总是得到IsChecked value = false 。 Even if I checked Checkbox and also when I click on pint button, I am getting only false .
即使我选中了Checkbox,并且当我单击品脱按钮时,我也只会得到false。 How can I solve this?
我该如何解决? If I checked the checkbox , it should return true.
如果我选中了复选框,则应该返回true。
try with ItemDataBound
and FindControl 尝试使用
ItemDataBound
和FindControl
void Repetarer_ItemDataBound(Object Sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
var control = e.Item.FindControl("CheckBox1") as CheckBox;
string result = control.Text;
.....
}
}
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