@{

    string correo = acartuchos.sslCampo(Request.Form["correo"]);
    string sucursal = Session["sucursal"].ToString();

    var db = WebMatrix.Data.Database.Open("cweb");
    var sql = "SELECT correo FROM proveedores WHERE correo = '" + correo + "' AND sucursal = '" + sucursal + "'";
    var dato = db.QuerySingle(sql);
    if (dato == null)
        {
        var sql_insertar = "INSERT INTO proveedores (correo, sucursal) VALUES('" + correo + "','" + sucursal + "')";
        db.QuerySingle(sql_insertar);
        string clave = "";
        var sql_cliente = "SELECT correo, clave FROM proveedores WHERE correo = '" + correo + "'";
        db.QuerySingle(sql_cliente);
        foreach (var row in db.Query(sql_cliente))
            {
            clave = row.clave.ToString();
            }
        db.Connection.Close();
        db.Close();
        db.Dispose();

        string url = "/f/proveedores/prove_editar?c=" + clave;
        Response.Write(url);
        <script>
                window.parent.location.href = "@url";
        </script>
        }
    else
        {
        <script>
            parent.iyshModal('registro_no');
        </script>
        }
}