protected void Register_Click(object sender, EventArgs e)
    {
        //SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["dbconnection"].ConnectionString);
        con.Open();
        SqlCommand cmd = new SqlCommand("insert into RegistrationTable values (@FirstName, @LastName, @Email, @MobileNumber, @Password)", con);

        cmd.Parameters.AddWithValue("FirstName", FnameTxt.Text);
        cmd.Parameters.AddWithValue("LastName", LnameTxt.Text);
        cmd.Parameters.AddWithValue("Email", Email.Text);
        cmd.Parameters.AddWithValue("MobileNumber", MobileNumber.Text);
        cmd.Parameters.AddWithValue("Password", Password.Text);
        cmd.ExecuteNonQuery();
        Label7.Visible = true;
        Label7.Text    = "User registered successfully";

        FnameTxt.Text     = "";
        LnameTxt.Text     = "";
        Email.Text        = "";
        MobileNumber.Text = "";
        Password.Text     = "";
        FnameTxt.Focus();
    }
Exemple #2
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        protected void Register_Click(object sender, EventArgs e)
        {
            //    SqlConnection con = new SqlConnection(@"Data Source=LAPTOP-5TFOCL92\SQLexpress;Initial Catalog=market;Integrated Security=True");
            con.Open();
            SqlCommand     cm = new SqlCommand("select * from register where Email ='" + Email.Text + "'  ", con);
            SqlDataAdapter da = new SqlDataAdapter(cm);
            DataTable      dt = new DataTable();

            da.Fill(dt);
            if (dt.Rows.Count > 0)
            {
                Response.Write("<script language='javascript'>alert ('This email is already registered.please try with an new email ');</script>");
            }


            else
            {
                //  con.Open();
                SqlCommand cmd = new SqlCommand("insert into register values (@FirstName, @LastName, @Email, @MobileNumber, @Password)", con);
                cmd.Parameters.AddWithValue("FirstName", FnameTxt.Text);
                cmd.Parameters.AddWithValue("LastName", LnameTxt.Text);
                cmd.Parameters.AddWithValue("Email", Email.Text);
                cmd.Parameters.AddWithValue("MobileNumber", MobileNumber.Text);
                cmd.Parameters.AddWithValue("Password", Password.Text);
                cmd.ExecuteNonQuery();
                Label7.Visible = true;
                Label7.Text    = "User registered successfully";

                FnameTxt.Text     = "";
                LnameTxt.Text     = "";
                Email.Text        = "";
                MobileNumber.Text = "";
                Password.Text     = "";
                FnameTxt.Focus();

                Response.Redirect("main.aspx");
            }
        }