ASP.NET

1        protected void BtnDelete_Click(object sender, EventArgs e)
2        {
3            try
4            {
5                dt = (DataTable)Session["Cart"];
6                CheckBox chkSelected = new CheckBox();
7                foreach (GridViewRow rowItem in GridView1.Rows)
8                {
9                    chkSelected = (CheckBox)rowItem.FindControl("chkSelection");
10                   index = rowItem.RowIndex;
11                   
12                   if (chkSelected.Checked == true)
13                   {   
14                       dt.Rows.RemoveAt(index);
15                       dt.AcceptChanges();
16                   }
17               }
18               GridView1.DataSource = dt;
19               GridView1.DataBind();
20               Session["Cart"] = dt;
21           }
22           catch(Exception ee)
23           {
24               Lblmsg.Text = ee.Message;
25           }
26   
27   
28       }

<asp:gridview id="gvUsers" allowpaging="true" runat="server" autogeneratecolumns="False" xmlns:asp="#unknown">
            DataSourceID="allUsersDataSource" EmptyDataText="There are no matching users in the system."
            PageSize="5" BorderStyle="Solid" BorderColor="#6AA6CC">
            <footerstyle cssclass="GridFooter"></footerstyle>
            <rowstyle cssclass="GridItem"></rowstyle>
            <alternatingrowstyle cssclass="GridAltItem"></alternatingrowstyle>
            <pagerstyle cssclass="GridFooter" /><headerstyle cssclass="GridHeader"></headerstyle>
            <columns>
                <asp:templatefield headertext="Active" itemstyle-width="40" itemstyle-horizontalalign="Center">
                    <itemtemplate>
                        <asp:checkbox runat="server" id="chkActive" oncheckedchanged="EnabledChanged" autopostback="true">
                            Checked='<%#DataBinder.Eval(Container.DataItem, "IsApproved")%>' Value='<%#DataBinder.Eval(Container.DataItem, "UserName")%>' />
                    </asp:checkbox></itemtemplate>
                </asp:templatefield>
                <asp:templatefield runat="server" headertext="User Name" itemstyle-width="160">
                    <itemtemplate>
                        <a href="Admin_UsersEdit.aspx?username=<%#Eval("UserName")%>">
                            <%#DataBinder.Eval(Container.DataItem, "UserName")%></a>
                    </itemtemplate>
                    <itemstyle width="160px"></itemstyle>
                </asp:templatefield>
                <asp:templatefield headertext="Email" itemstyle-width="180" itemstyle-horizontalalign="Left">
                    <itemtemplate>
                        <asp:hyperlink id="EmailLink" runat="server" navigateurl="<%# Eval("Email", "mailto:{0}") %>">
                            Text='<%# Eval("Email") %>'></asp:hyperlink>
                    </itemtemplate>
                    <itemstyle horizontalalign="Left" width="180px"></itemstyle>
                </asp:templatefield>
                <asp:boundfield datafield="CreationDate" headertext="Created On" readonly="True">
                    SortExpression="CreationDate" ItemStyle-HorizontalAlign="Center">
                    <itemstyle horizontalalign="Center"></itemstyle>
                </asp:boundfield>
                <asp:boundfield datafield="LastLoginDate" headertext="Last Login" sortexpression="LastLoginDate">
                    ItemStyle-HorizontalAlign="Center">
                    <itemstyle horizontalalign="Center"></itemstyle>
                </asp:boundfield>
                <asp:templatefield runat="server" itemstyle-horizontalalign="Center">
                    <itemtemplate>
                        <asp:linkbutton runat="server" id="linkButton2" text="Delete" commandname="delete">
                            CommandArgument='<%#DataBinder.Eval(Container.DataItem, "UserName")%>' ForeColor="black"
                            OnCommand="LinkButtonClick" />
                    </asp:linkbutton></itemtemplate>
                    <itemstyle horizontalalign="Center"></itemstyle>
                </asp:templatefield>
            </columns>
            <emptydatarowstyle font-italic="True" />
        </asp:gridview>

Public Sub LinkButtonClick(ByVal sender As Object, ByVal e As CommandEventArgs)
        If e.CommandName.Equals("delete") Then
            Dim userName As String = DirectCast(e.CommandArgument, String)
          
            Membership.DeleteUser(userName)
           
            Response.Redirect("admin_users.aspx", False)
        End If
    End Sub