diff --git a/DNN Platform/DotNetNuke.Web/UI/WebControls/Internal/DnnDropDownCheckBoxes.cs b/DNN Platform/DotNetNuke.Web/UI/WebControls/Internal/DnnDropDownCheckBoxes.cs
deleted file mode 100644
index de3e3f76127..00000000000
--- a/DNN Platform/DotNetNuke.Web/UI/WebControls/Internal/DnnDropDownCheckBoxes.cs	
+++ /dev/null
@@ -1,751 +0,0 @@
-// 
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the MIT License. See LICENSE file in the project root for full license information.
-// 
-using System;
-using System.ComponentModel;
-using System.Drawing;
-using System.Linq;
-using System.Web.UI;
-using System.Web.UI.WebControls;
-
-
-namespace DotNetNuke.Web.UI.WebControls.Internal
-{
-    public class DnnDropDownCheckBoxes : CheckBoxList, IPostBackEventHandler
-    {
-        public DnnDropDownCheckBoxes()
-        {
-            AddJQueryReference = true;
-            UseButtons = false;
-            UseSelectAllNode = true;
-            ReseteParentProperties();
-        }
-
-        private void ReseteParentProperties()
-        {
-            base.RepeatDirection = RepeatDirection.Vertical;
-            base.RepeatLayout = RepeatLayout.Flow;
-            base.AutoPostBack = false;
-        }
-
-        #region Properties
-
-        private DropDownStyle _style;
-
-        /// <summary>
-        /// CSS classes of HTML elements building the control, implicit width and height properties
-        /// </summary>
-        [PersistenceMode(PersistenceMode.InnerProperty)]
-        public new DropDownStyle Style
-        {
-            get
-            {
-                if (_style == null)
-                {
-                    _style = new DropDownStyle();
-
-                    if (IsTrackingViewState)
-                    {
-                        ((IStateManager)_style).TrackViewState();
-                    }
-                }
-
-                return _style;
-            }
-        }
-
-        /// <summary>
-        /// !!! Use in .aspx in Visual Studio 2008 instead of &lt;Style/&gt; to avoid 'Ambiguous match found' parsing error !!!
-        /// CSS classes of HTML elements building the control, implicit width and height properties
-        /// </summary>
-        [PersistenceMode(PersistenceMode.InnerProperty)]
-        public DropDownStyle Style2
-        {
-            get
-            {
-                if (_style == null)
-                {
-                    _style = new DropDownStyle();
-
-                    if (IsTrackingViewState)
-                    {
-                        ((IStateManager)_style).TrackViewState();
-                    }
-                }
-
-                return _style;
-            }
-        }
-
-        /// <summary>
-        /// Same as Style.SelectBoxCssClass
-        /// </summary>
-        public new string CssClass
-        {
-            get
-            {
-                return Style.SelectBoxCssClass;
-            }
-            set
-            {
-                Style.SelectBoxCssClass = value;
-            }
-        }
-
-        private DropDownTexts _texts;
-
-        /// <summary>
-        /// Texts for control elements
-        /// </summary>
-        /// <remarks>
-        /// Use this complex property to specify Texts for specific control elements, e.g. button captions, 'select all' node, select box caption
-        /// </remarks>
-        [Localizable(true)]
-        [PersistenceMode(PersistenceMode.InnerProperty)]
-        public DropDownTexts Texts
-        {
-            get
-            {
-                if (_texts == null)
-                {
-                    _texts = new DropDownTexts();
-
-                    if (IsTrackingViewState)
-                    {
-                        ((IStateManager)_texts).TrackViewState();
-                    }
-                }
-
-                return _texts;
-            }
-        }
-
-        /// <summary>
-        /// Whether to include reference to JQuery using embeded resources
-        /// </summary>
-        /// <remarks>
-        /// <para>
-        /// Set this property to 'true 'if you don't have reference to jQuery lib on your page/master page. 
-        /// Set it to 'false' otherwise (or you'll get not working control)
-        /// </para>
-        /// <para>
-        /// If you use ScriptManager or ScriptManagerProxy controls to add script references (via ScriptReference tag) the control is capable of detecting
-        /// jQuery reference among others and in this case you may always have this property set to 'true'
-        /// </para>
-        /// </remarks>
-        [PersistenceMode(PersistenceMode.Attribute)]
-        public bool AddJQueryReference
-        {
-            get
-            {
-                return (bool)(ViewState["AddJQueryReference"] ?? true);
-            }
-            set
-            {
-                {
-                    ViewState["AddJQueryReference"] = value;
-                }
-            }
-        }
-
-        /// <summary>
-        /// Whether to use 'OK' and 'Cancel' for initiating postbacks
-        /// </summary>
-        /// <remarks>
-        /// If 'true' - corresponding buttons will be displayed within drop down box. Clicking 'OK' causes postback, 
-        /// the value of the AutoPostBack property is irrelivant in this case.
-        /// </remarks>
-        [PersistenceMode(PersistenceMode.Attribute)]
-        public bool UseButtons
-        {
-            get
-            {
-                return (bool)(ViewState["UseButtons"] ?? true);
-            }
-            set
-            {
-                {
-                    ViewState["UseButtons"] = value;
-                }
-            }
-        }
-
-        /// <summary>
-        /// Whether to initiate postback whenever drop down box is hidden
-        /// </summary>
-        /// <remarks>
-        /// If 'true' - clicking on any area outside the control will trigger postback to server. When UseButtons = 'true' this property
-        /// has no effect
-        /// </remarks>
-        [PersistenceMode(PersistenceMode.Attribute)]
-        public new bool AutoPostBack
-        {
-            get
-            {
-                return (bool)(ViewState["AutoPostBack2"] ?? false);
-            }
-            set
-            {
-                ViewState["AutoPostBack2"] = value;
-            }
-        }
-
-        /// <summary>
-        /// Whther to show 'Select all' node in the drop down
-        /// </summary>
-        /// <remarks>
-        /// </remarks>
-        public bool UseSelectAllNode
-        {
-            get
-            {
-                return (bool)(ViewState["UseSelectAllNode"] ?? true);
-            }
-            set
-            {
-                {
-                    ViewState["UseSelectAllNode"] = value;
-                }
-            }
-        }
-
-        private bool AreScriptsInitialized
-        {
-            get
-            {
-                return (bool)(ViewState["AreScriptsInitialized"] ?? false);
-            }
-            set
-            {
-                ViewState["AreScriptsInitialized"] = value;
-            }
-        }
-
-        private bool PropertiesAreDirty
-        {
-            get
-            {
-                return
-                    ViewState.IsItemDirty("UseSelectAllNode") ||
-                    ViewState.IsItemDirty("AutoPostBack2") ||
-                    ViewState.IsItemDirty("UseButtons") ||
-                    ViewState.IsItemDirty("AddJQueryReference");
-            }
-        }
-
-        #endregion Properties
-
-        #region Parent methods' overides
-
-        protected override void OnPreRender(System.EventArgs e)
-        {
-            base.OnPreRender(e);
-
-            var scriptManager = ScriptManager.GetCurrent(Page);
-            var asyncEnabled = scriptManager != null;
-
-            if (AddJQueryReference)
-                IncludeJqueryScript(scriptManager, asyncEnabled);
-
-#if DEBUG
-            var scriptResource = checkBoxScriptResource;
-#else
-            var scriptResource = checkBoxMinScriptResource;
-#endif
-
-            if (asyncEnabled)
-                scriptManager.Scripts.Add(new ScriptReference(Page.ClientScript.GetWebResourceUrl(this.GetType(), scriptResource)));
-            else Page.ClientScript.RegisterClientScriptInclude("dd_script", Page.ClientScript.GetWebResourceUrl(this.GetType(), scriptResource));
-
-            var initializeScript = string.Format(
-                initScript,
-                ClientID,
-                divPstfx,
-                selectPstfx,
-                "dd_chk_" + ClientID,
-                UseButtons.ToString().ToLower(),
-                AutoPostBack.ToString().ToLower(),
-                UseSelectAllNode.ToString().ToLower());
-
-            var cssRef = string.Format("<link rel='stylesheet' type='text/css' href='{0}' />", Page.ClientScript.GetWebResourceUrl(this.GetType(), defaultCssResource));
-
-            var postbackScript = string.Format("function dd_chk_{0}(){{ {1} }}", ClientID, Page.ClientScript.GetPostBackEventReference(this, null));
-
-            if (asyncEnabled && !AreScriptsInitialized && scriptManager.IsInAsyncPostBack)
-            {
-                ScriptManager.RegisterStartupScript(this, GetType(), ClientID, initializeScript, true);
-                ScriptManager.RegisterClientScriptBlock(this, GetType(), "post_" + ClientID, postbackScript, true);
-                AreScriptsInitialized = true;
-            }
-            else
-            {
-                Page.ClientScript.RegisterStartupScript(GetType(), ClientID, initializeScript, true);
-                Page.ClientScript.RegisterClientScriptBlock(GetType(), "post_" + ClientID, postbackScript, true);
-                AreScriptsInitialized = true;
-            }
-
-            Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "dd_chk_styles", cssRef, false);
-
-            if (Page.IsPostBack && asyncEnabled && (PropertiesAreDirty || Texts.IsDirty || Style.IsDirty))
-            {
-                var script = string.Format(
-                    updateScript,
-                    ClientID,
-                    divPstfx,
-                    selectPstfx,
-                    "dd_chk_" + ClientID,
-                    UseButtons.ToString().ToLower(),
-                    AutoPostBack.ToString().ToLower(),
-                    UseSelectAllNode.ToString().ToLower());
-
-                ScriptManager.RegisterStartupScript(this, GetType(), ClientID + "_upd", script, true);
-            }
-        }
-
-        private void IncludeJqueryScript(ScriptManager scriptManager, bool asyncEnabled)
-        {
-            if (!asyncEnabled)
-                Page.ClientScript.RegisterClientScriptInclude("dd_chk_jquery", Page.ClientScript.GetWebResourceUrl(this.GetType(), jqeuryResource));
-            else
-            {
-                var jqureyRegistered = scriptManager.Scripts.All(script1 => !script1.Path.Contains("jquery-1.")); // search for jQuery registrations
-                if (jqureyRegistered)
-                    scriptManager.Scripts.Add(
-                        new ScriptReference(Page.ClientScript.GetWebResourceUrl(this.GetType(), jqeuryResource)));
-            }
-
-        }
-
-        protected override void Render(System.Web.UI.HtmlTextWriter writer)
-        {
-            //ReseteParentProperties();
-
-            // Add wrapper div
-            writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "inline-block");
-            writer.AddStyleAttribute(HtmlTextWriterStyle.Position, "relative");
-            writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID + selectPstfx);
-            writer.AddAttribute(HtmlTextWriterAttribute.Class, !string.IsNullOrEmpty(Style.SelectBoxCssClass) ? Style.SelectBoxCssClass + " " + selectCssClass : selectCssClass);
-            if (Style.SelectBoxWidth.Value > 0) writer.AddStyleAttribute(HtmlTextWriterStyle.Width, Style.SelectBoxWidth.ToString());
-            writer.RenderBeginTag(HtmlTextWriterTag.Div);
-
-            // Add caption
-            if (!string.IsNullOrEmpty(Texts.SelectBoxCaption))
-            {
-                writer.AddAttribute(HtmlTextWriterAttribute.Id, "caption");
-                writer.RenderBeginTag(HtmlTextWriterTag.Div);
-                writer.WriteEncodedText(Texts.SelectBoxCaption);
-                writer.RenderEndTag();
-            }
-
-            // Add dropdown div markup
-            writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID + divPstfx);
-            writer.AddAttribute(HtmlTextWriterAttribute.Class, !string.IsNullOrEmpty(Style.DropDownBoxCssClass) ? Style.DropDownBoxCssClass + " " + dropDownCssClass : dropDownCssClass);
-            writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "none");
-            writer.AddStyleAttribute(HtmlTextWriterStyle.Position, "absolute");
-            if (Style.DropDownBoxBoxWidth.Value > 0) writer.AddStyleAttribute(HtmlTextWriterStyle.Width, Style.DropDownBoxBoxWidth.ToString());
-            writer.RenderBeginTag(HtmlTextWriterTag.Div);
-
-            // Add div with check boxes
-            writer.AddAttribute(HtmlTextWriterAttribute.Id, "checks");
-            if (Style.DropDownBoxBoxHeight.Value > 0) writer.AddStyleAttribute(HtmlTextWriterStyle.Height, Style.DropDownBoxBoxHeight.ToString());
-            writer.RenderBeginTag(HtmlTextWriterTag.Div);
-
-            // Add span for 'Select all' node
-            if (UseSelectAllNode)
-            {
-
-                var selectAllHtml = @"<input type='checkbox' name='{0}'><label for='{0}'>{1}</label>";
-
-                if (!string.IsNullOrEmpty(Texts.SelectAllNode))
-                    selectAllHtml = string.Format(selectAllHtml, ClientID + selectAllPstfx, Texts.SelectAllNode);
-
-                writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "block");
-                writer.RenderBeginTag(HtmlTextWriterTag.Span);
-                writer.Write(selectAllHtml);
-                writer.RenderEndTag();
-            }
-
-            // Render legacy markup within wrapping markup
-            base.Render(writer);
-
-            // Close div with check boxes
-            writer.RenderEndTag();
-
-            // Add div with action buttons
-            if (UseButtons)
-            {
-                writer.AddAttribute(HtmlTextWriterAttribute.Id, "buttons");
-                writer.RenderBeginTag(HtmlTextWriterTag.Div);
-
-                // Close buttons div
-                writer.RenderEndTag();
-            }
-
-            // Close dropdown div
-            writer.RenderEndTag();
-
-            // Close wrapper div
-            writer.RenderEndTag();
-        }
-
-        public void RaisePostBackEvent(string eventArgument)
-        {
-            if (CausesValidation)
-            {
-                Page.Validate(ValidationGroup);
-            }
-
-            OnSelectedIndexChanged(EventArgs.Empty);
-        }
-
-        #endregion
-
-        #region State management overrides
-
-        protected override void LoadViewState(object savedState)
-        {
-            var p = savedState as Pair;
-            if (p != null)
-            {
-                base.LoadViewState(p.First);
-                var propertiesState = p.Second as object[];
-
-                if (propertiesState != null)
-                {
-                    if (propertiesState.Length > 0 && propertiesState[0] != null)
-                        ((IStateManager)Texts).LoadViewState(propertiesState[0]);
-                    if (propertiesState.Length > 1 && propertiesState[1] != null)
-                        ((IStateManager)Style).LoadViewState(propertiesState[1]);
-                }
-                return;
-            }
-            base.LoadViewState(savedState);
-        }
-
-        protected override object SaveViewState()
-        {
-            object baseState = base.SaveViewState();
-            var thisState = new object[2];
-
-            if (_texts != null)
-                thisState[0] = ((IStateManager)_texts).SaveViewState();
-            if (_style != null)
-                thisState[1] = ((IStateManager)_style).SaveViewState();
-
-            return new Pair(baseState, thisState);
-        }
-
-        protected override void TrackViewState()
-        {
-            if (_texts != null)
-                ((IStateManager)_texts).TrackViewState();
-            if (_style != null)
-                ((IStateManager)_style).TrackViewState();
-
-            base.TrackViewState();
-        }
-        #endregion
-
-        #region Constants
-
-        private const string inputTag = @"<input type='button' value='{0}'></input>";
-        private const string initScript = @"window.{0} = new DropDownScript('{0}','{1}','{2}',{3}, {4}, {5}, {6}); window.{0}.init();";
-        private const string updateScript = @"window.{0}.update('{1}','{2}',{3}, {4}, {5}, {6});";
-        private const string divPstfx = "_dv";
-        private const string selectPstfx = "_sl";
-        private const string selectAllPstfx = "_sll";
-        private const string defaultCssResource = "Saplin.Controls.EmbeddedResources.DefaultStyles.css";
-        private const string jqeuryResource = "Saplin.Controls.EmbeddedResources.jquery-1.6.1.min.js";
-        private const string checkBoxScriptResource = "Saplin.Controls.EmbeddedResources.DropDownScript.js";
-        private const string checkBoxMinScriptResource = "Saplin.Controls.EmbeddedResources.DropDownScript.min.js";
-        private const string selectCssClass = "dd_chk_select";
-        private const string dropDownCssClass = "dd_chk_drop";
-
-        #endregion
-
-        #region Not implemented members
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Unit Width
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Unit Height
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new RepeatLayout RepeatLayout
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new RepeatDirection RepeatDirection
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Color BackColor
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Color BorderColor
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new bool BorderStyle
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Unit BorderWidth
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Unit CellPadding
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new Unit CellSpacing
-        {
-            get;
-            set;
-        }
-
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        [Obsolete]
-        public new bool EnableTheming
-        {
-            get;
-            set;
-        }
-
-        #endregion
-    }
-
-    public class DropDownTexts : StateManagedComplexProperty
-    {
-        private StateBag viewState;
-
-        public DropDownTexts()
-        {
-            SelectBoxCaption = "Select";
-            SelectAllNode = "Select all";
-        }
-
-        /// <summary>
-        /// Caption of the control
-        /// </summary>
-        [Localizable(true)]
-        [DefaultValue("Select")]
-        [NotifyParentProperty(true)]
-        public string SelectBoxCaption
-        {
-            get
-            {
-                return ViewState["SelectBoxCaption"] as string;
-            }
-            set
-            {
-                ViewState["SelectBoxCaption"] = value;
-            }
-        }
-
-        /// <summary>
-        /// 'Select all' node (check box) text
-        /// </summary>
-        [Localizable(true)]
-        [DefaultValue("Select All")]
-        [NotifyParentProperty(true)]
-        public string SelectAllNode
-        {
-            get
-            {
-                return ViewState["SelectAllNode"] as string;
-            }
-            set
-            {
-                ViewState["SelectAllNode"] = value;
-            }
-        }
-    }
-
-    public class DropDownStyle : StateManagedComplexProperty
-    {
-        public string SelectBoxCssClass
-        {
-            get
-            {
-                return ViewState["SelectBoxCssClass"] as string;
-            }
-            set
-            {
-                ViewState["SelectBoxCssClass"] = value;
-            }
-        }
-
-        public string DropDownBoxCssClass
-        {
-            get
-            {
-                return ViewState["DropDownBoxCssClass"] as string;
-            }
-            set
-            {
-                ViewState["DropDownBoxCssClass"] = value;
-            }
-        }
-
-        public Unit SelectBoxWidth
-        {
-            get
-            {
-                return (Unit)(ViewState["SelectBoxWidth"] ?? new Unit());
-            }
-            set
-            {
-                ViewState["SelectBoxWidth"] = value;
-            }
-        }
-
-        public Unit DropDownBoxBoxWidth
-        {
-            get
-            {
-                return (Unit)(ViewState["DropDownBoxBoxWidth"] ?? new Unit());
-            }
-            set
-            {
-                ViewState["DropDownBoxBoxWidth"] = value;
-            }
-        }
-
-        public Unit DropDownBoxBoxHeight
-        {
-            get
-            {
-                return (Unit)(ViewState["DropDownBoxBoxHeight"] ?? new Unit());
-            }
-            set
-            {
-                ViewState["DropDownBoxBoxHeight"] = value;
-            }
-        }
-    }
-
-    public abstract class StateManagedComplexProperty : IStateManager
-    {
-        private bool isTrackingViewState;
-        private StateBag viewState;
-
-        protected virtual StateBag ViewState
-        {
-            get
-            {
-                if (viewState == null)
-                {
-                    viewState = new StateBag(false);
-
-                    if (isTrackingViewState)
-                    {
-                        ((IStateManager)viewState).TrackViewState();
-                    }
-                }
-                return viewState;
-            }
-        }
-
-        bool IStateManager.IsTrackingViewState
-        {
-            get
-            {
-                return isTrackingViewState;
-            }
-        }
-
-        void IStateManager.LoadViewState(object savedState)
-        {
-            if (savedState != null)
-            {
-                ((IStateManager)ViewState).LoadViewState(savedState);
-            }
-        }
-
-        object IStateManager.SaveViewState()
-        {
-            object savedState = null;
-
-            if (viewState != null)
-            {
-                savedState =
-                   ((IStateManager)viewState).SaveViewState();
-            }
-            return savedState;
-        }
-
-        void IStateManager.TrackViewState()
-        {
-            isTrackingViewState = true;
-
-            if (viewState != null)
-            {
-                ((IStateManager)viewState).TrackViewState();
-            }
-        }
-
-        public bool IsDirty
-        {
-            get
-            {
-                return ViewState.IsDirty();
-            }
-        }
-    }
-
-    public static class StateBagExtensions
-    {
-        public static bool IsDirty(this StateBag stateBag)
-        {
-            foreach (string key in stateBag.Keys)
-            {
-                if (stateBag.IsItemDirty(key)) return true;
-            }
-
-            return false;
-        }
-    }
-}