[Umbraco] Add more than one TinyMCE datatype on page or usercontrol

        private void addTinyMCEControl(Control targetPlaceHolder, TabPage tp)
        {

            DataTypeDefinition htmlEditorDataType =
                   DataTypeDefinition.GetDataTypeDefinition(new Guid("A521511A-7BEE-4C5B-8D7B-4B06B57392B3"));

            //The other way can get datatype id directly.
            //DataTypeDefinition htmlEditorDataType = DataTypeDefinition.GetDataTypeDefinition(-87);

            TinyMCE umbracoTinyMCEEditor = (TinyMCE)htmlEditorDataType.DataType.DataEditor;

            string toolbar_id = string.Empty;

            if (umbracoTinyMCEEditor != null)
            {
                if (umbracoTinyMCEEditor.config["umbraco_toolbar_id"] != null)
                    umbracoTinyMCEEditor.config.Remove("umbraco_toolbar_id");
                toolbar_id = "tinyMCEMenu_" + targetPlaceHolder.ClientID;
                umbracoTinyMCEEditor.config.Add("umbraco_toolbar_id", toolbar_id);
                targetPlaceHolder.Controls.Add(umbracoTinyMCEEditor);
                tp.Menu.NewElement("div", toolbar_id, "tinymceMenuBar", 0);
            }
        }

Reference:

• http://our.umbraco.org/forum/developers/extending-umbraco/6863-Datatype-on-normal-page-or-UserControl?p=1#comment49125
  
• http://our.umbraco.org/forum/developers/extending-umbraco/17750-Using-tinyMCE-in-custom-section?p=1
  
• http://our.umbraco.org/forum/developers/extending-umbraco/6863-Datatype-on-normal-page-or-UserControl

[LINQ] Get child controls

using System.Collections.Generic ;
using System.Linq;
/// 

/// Get all child & sub-child controls within a control by type
/// 
/// The control we're searching in form/page.
/// The control type we're looking for (i.e; TextBox)
/// 
public IEnumerable < Control > GetAllChildControls(Control control, Type type = null)
{
    var controls = control.Controls.Cast< Control >();
            
    if (type == null)
        return controls.SelectMany(ctrl => GetAllChildControls(ctrl, type)).Concat(controls);
    else
        return controls.SelectMany(ctrl => GetAllChildControls(ctrl, type)).Concat(controls).Where(c => c.GetType() == type);
}       

//How to use.
IEnumerable< Control > textBoxControls = GetAllChildControls(this, typeof(TextBox));
IEnumerable< Control > allConrols = GetAllChildControls(this);

Reference : http://www.dreamincode.net/code/snippet5634.htm

[Reflection] Get and Set values of Properties

object sampleObj = new object();
foreach (PropertyInfo info in sampleObj.GetType().GetProperties())
{
    //  To Get value
    if (info.CanRead)
    {
        object o = info.GetValue(sampleObj, null);
    }


    //   To Set value          
    object myValue = "Something";
    if (info.CanWrite)
    {
        info.SetValue(sampleObj, myValue, null);
    }
}