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    copied!<p>What is the point of removing items from a checkbox list then redirecting? You don't show the changes you are making</p> <p><strong>Webform2.aspx :</strong> </p> <pre><code>&lt;%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="WebApplication1.WebForm2" %&gt; &lt;!DOCTYPE html&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head runat="server"&gt; &lt;title&gt;&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;form id="form1" runat="server"&gt; &lt;div&gt; &lt;asp:checkboxlist ID="UPCList" runat="server"&gt; &lt;asp:ListItem&gt;Item 1&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;Item 2&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;Item 3&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;Item 4&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;Item 5&lt;/asp:ListItem&gt; &lt;asp:ListItem&gt;Item 6&lt;/asp:ListItem&gt; &lt;/asp:checkboxlist&gt; &lt;/div&gt; &lt;asp:Button ID="btn_remove" runat="server" Text="Remove" OnClick="btn_remove_Click" /&gt; &lt;/form&gt; &lt;asp:Label ID="Label1" runat="server" Text="Label"&gt;&lt;/asp:Label&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p><strong>Webform2.aspx.cs :</strong> </p> <pre><code>using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication1 { public partial class WebForm2 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Label1.Text = "Load"; } public void btn_remove_Click(object sender, EventArgs e) { for (int i = 0; i &lt; UPCList.Items.Count; i++) { if (UPCList.Items[i].Selected == true) { UPCList.Items.RemoveAt(i); } } Label1.Text = "Done"; } } } </code></pre> <p>Works as expected.</p> <p>If I put in the </p> <pre><code>Response.Redirect("WebForm2.aspx?account=" + AcctNum.Text); </code></pre> <p>I get Item 1 ... 6 Remove </p> <p>and a Label1 that says "Load"</p> <p>also for clarity's sake i also like to do </p> <pre><code> foreach (var toRemove in UPCList.Items.OfType&lt;ListItem&gt;().Where(f =&gt; f.Selected).ToList()) { UPCList.Items.Remove(toRemove); } </code></pre> <p>but that's just personal opinion.</p>
 

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