Hi i get the following error when i load up my page "WebForm_DoPostbackwithoptions" and "webform_postbackoptions" is undefined. This page has a captcha on it which is hidden in a panel, and only made visible when a user fails some login attempts. This is what my code looks like;
protected void btnLogin_Click(object sender, EventArgs e)
{
if (Session["time"] == null)
{
int time = 0;
Session["time"] = time;
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["xxx"].ConnectionString);
string UserPassword = FormsAuthen ...
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