Write jQuery Plugin WebControl for ASP.NET Just in Few Minutes!

///  Copyright (c) 2009 Ray Liang (http://www.dotnetage.com)
///  Dual licensed under the MIT and GPL licenses:
///  http://www.opensource.org/licenses/mit-license.php
///  http://www.gnu.org/licenses/gpl.html
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Security.Permissions;
using System.ComponentModel;

namespace DNA.UI.JQuery
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
    public abstract class JQueryMultiViewControl : WebControl,INamingContainer,IPostBackDataHandler
    {
        protected int NewIndex = -1;
       private ViewCollection views = new ViewCollection();

        [Browsable(false)]
        protected override HtmlTextWriterTag TagKey
        {
            get
            {
                return HtmlTextWriterTag.Div;
            }
        }

        [Category("Behavior")]
        [Bindable(true)]
        public bool AutoPostBack
       {
           get
           {
               Object obj = ViewState["AutoPostBack"];
               return (obj == null) ? false : (bool)obj;
           }
           set
           {
               ViewState["AutoPostBack"] = value;
           }
       }

        [Browsable(true)]
        [PersistenceMode(PersistenceMode.InnerProperty)]
        public ViewCollection Views
        {
            get { return views; }
            set { views = value; }
        }

        [Category("Appearance")]
        [Bindable(true)]
        [Browsable(true)]
        [Themeable(true)]
        public string HeaderStyle
        {
            get
            {
                Object obj = ViewState["HeaderStyle"];
                return (obj == null) ? String.Empty : (string)obj;
            }
            set
            {
                ViewState["HeaderStyle"] = value;
            }
        }

        [Category("Appearance")]
        [Bindable(true)]
        [Browsable(true)]
        [Themeable(true)]
        public string ContentStyle
        {
            get
            {
                Object obj = ViewState["ContentStyle"];
                return (obj == null) ? String.Empty : (string)obj;
            }
            set
            {
                ViewState["ContentStyle"] = value;
            }
        }

        [Category("Appearance")]
        [Bindable(true)]
        [Browsable(true)]
        [Themeable(true)]
        [CssClassProperty]
        public string ContentCssClass
        {
            get
            {
                Object obj = ViewState["ContentCssClass"];
                return (obj == null) ? String.Empty : (string)obj;
            }
            set
            {
                ViewState["ContentCssClass"] = value;
            }
        }

        [Category("Appearance")]
        [Bindable(true)]
        [Browsable(true)]
        [Themeable(true)]
        [CssClassProperty]
        public string HeaderCssClass
        {
            get
            {
                Object obj = ViewState["HeaderCssClass"];
                return (obj == null) ? String.Empty : (string)obj;
            }
            set
            {
                ViewState["HeaderCssClass"] = value;
            }
        }

        protected void ApplyStyles()
        {
            foreach (View view in views)
            {
                if (!string.IsNullOrEmpty(HeaderStyle))
                    view.HeaderStyle = HeaderStyle;
                if (!string.IsNullOrEmpty(ContentStyle))
                    view.ContentStyle = ContentStyle;
                if (!string.IsNullOrEmpty(ContentCssClass))
                    view.ContentCssClass = ContentCssClass;
                if (!string.IsNullOrEmpty(HeaderCssClass))
                    view.HeaderCssClass = HeaderCssClass;
            }
        }

        protected override void CreateChildControls()
        {
            base.CreateChildControls();
            ApplyStyles();
        }

        protected override void OnInit(EventArgs e)
        {
            foreach (View view in views)
                Controls.Add(view);
            Page.RegisterRequiresPostBack(this);
            base.OnInit(e);
        }

        protected override void OnPreRender(EventArgs e)
        {
            ScriptBuilder.RegisterJQueryControl(this);
            base.OnPreRender(e);
        }

        protected string HiddenKey
        {
            get { return ClientID + "_selectedID"; }
        }

        protected virtual bool LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)
        {
            return true;
        }

        protected virtual void RaisePostDataChangedEvent()
        {
        }

        #region IPostBackDataHandler Members

        bool IPostBackDataHandler.LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)
        {
           return ((JQueryMultiViewControl)this).LoadPostData(postDataKey,postCollection);
        }

        void IPostBackDataHandler.RaisePostDataChangedEvent()
        {
            ((JQueryMultiViewControl)this).RaisePostDataChangedEvent();
        }

        #endregion
    }
}