Can Validate That A Checkbox Has Been Checked

Feb 13, 2010

Using Asp.net Webforms how can I validate that a checkbox has been checked. (I cannot do a postback) has to be in javascript (either custom - working with the existing validation controls for other fields. or using a .net validation control)

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CODE BEHIND:

[Code]....
[Code]....

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=========================================================================================
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[Code]....

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SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ims"].ConnectionString);
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}
}
}
Conn.Close();

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Im having a datagrid which consist of checkbox.

[Code]....

[Code]....

Even though im checking the checkbox im not the checkbox checked in code behind.

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<asp:FormView ID="_fvApplicant" runat="server" DefaultMode="Edit" OnItemDeleting="ApplicantItemDeleting" Width="100%" DataSourceID="_dsApplicant" ondatabound="ApplicantFormBound">
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protected void test(object sender, EventArgs e)
{
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<asp:UpdatePanel ID="UpdatePanel1" runat="server">
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[Code]....

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I have multiple dynamic checkboxes. I would like to find out what checkbox was checked in the controller. How do I do that? This is what I have.

HTML

foreach (var items in collection) {
<tr><td>
<input id = "checkbox<%= items.id%>" name ="Checkbox<%= items.id%>" />

[Code]....

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