protected void Page_Load(object sender, EventArgs e)
{
if (Session["username"] != null)
{
TextBox1.Text = Session["username"].ToString();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
con.Open();
SqlCommand cmd = new SqlCommand("select Password from regform where UserName= '" + TextBox1.Text + "'", con);
SqlDataReader rdpwd = cmd.ExecuteReader();
rdpwd.Read();
if (TextBox2.Text != rdpwd[0].ToString())
{
Response.Write("<script>a ...
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