David,

Not really umbraco related more .net related, so what you would need is code behind for the master template for the page that contains the usercontrols, then in that code behind do a recursive look for all the fields and then get their values,

        /// <summary>
        /// get find control method using generics
        /// </summary>
        /// <typeparam name="T">type of item you want</typeparam>
        /// <param name="ancestor">parent to start looking from</param>
        /// <returns>collection of T items</returns>
        public static List<T> ControlsByTypeUsingAncestor<T>(Control ancestor) where T : Control
        {
            var controls = new List<T>();

            //Append to search results if we match the type 
            if (typeof (T).IsAssignableFrom(ancestor.GetType()))
            {
                controls.Add((T) ancestor);
            }

            //Recurse into child controls 
            foreach (Control ctrl in ancestor.Controls)
            {
                controls.AddRange(ControlsByTypeUsingAncestor<T>(ctrl));
            }

            return controls;
        }

so you could do something like

var textboxes = ControlsByTypeUsingAncestor<TextBox>(this);

where this is the current master page object, so the code will recursively get you all textboxes on the current page, you can repeat for other controls.

Regards

Ismail

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