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<cc1:SerialNumber ID="snCode" runat="server">
</cc1:SerialNumber>
<asp:Button ID="btnSubmit" runat="server" Height="31px" onclick="btnSubmit_Click" Text="Ìá½»ÑéÖ¤" Width="124px" />
<asp:Label ID="lblMessage" runat="server"></asp:Label>
<cc1:SerialNumber ID="snCode" runat="server">
</cc1:SerialNumber>
<asp:Button ID="btnSubmit" runat="server" Height="31px" onclick="btnSubmit_Click" Text="Ìá½»ÑéÖ¤" Width="124px" />
<asp:Label ID="lblMessage" runat="server"></asp:Label>
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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
snCode.Create();//Ê״μÓÔØÉú³ÉÐÂÑéÖ¤Âë
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (!CheckCode())
{
lblMessag
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public class Validator
{
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public static void Purge(ref List<string>needToPurge)
{
for(int i=0;i<needToPurge.Count-1;i++)
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