aspnetpager.cs

asp.net分页控件源码

//AspNetPager分页控件源代码：
//版权所有：陕西省延安市吴起县 Webdiyer (www.webdiyer.com)；
//此源代码仅供学习参考，不得用作任何商业用途；
//若需修改并重新编译该控件，请保留完整的源代码的版权信息！
//有关控件升级及新控件发布信息，请留意 www.webdiyer.com 。


using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.IO;
using System.Text;
using System.Web.UI;
using System.Web.UI.Design.WebControls;
using System.Web.UI.WebControls;
using System.Web;
using System.Resources;
using System.Globalization;
using System.Security.Permissions;
using System.Text.RegularExpressions;

namespace Wuqi.Webdiyer
{
	#region AspNetPager Server Control

	/// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Class[@name="AspNetPager"]/*'/>
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    [DefaultProperty("PageSize")]
    [DefaultEvent("PageChanged")]
    [ParseChildren(false)]
    [PersistChildren(false)]
    [ANPDescription("desc_AspNetPager")]
    [Designer(typeof(PagerDesigner))]
    [ToolboxData("<{0}:AspNetPager runat=server></{0}:AspNetPager>")]
    public class AspNetPager : Panel, INamingContainer, IPostBackEventHandler, IPostBackDataHandler
    {
        #region Private fields

        private string cssClassName;
        private string inputPageIndex;
        private string currentUrl = null;
        private NameValueCollection urlParams = null;
        private AspNetPager cloneFrom = null;
        private static readonly object EventPageChanging = new object();
        private static readonly object EventPageChanged = new object();
        //AspNetPager Version information
        const string ver = "6.0.0";

        #endregion

        #region Properties

        #region Navigation Buttons

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="ShowNavigationToolTip"]/*'/>
        [Browsable(true), ANPCategory("cat_Navigation"), DefaultValue(false), ANPDescription("desc_ShowNavigationToolTip"), Themeable(false)]
        public bool ShowNavigationToolTip
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.ShowNavigationToolTip;
                object obj = ViewState["ShowNvToolTip"];
                return (obj == null) ? false : (bool)obj;
            }
            set
            {
                ViewState["ShowNvToolTip"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NavigationToolTipTextFormatString"]/*'/>
        [Browsable(true), Themeable(false), ANPCategory("cat_Navigation"), ANPDefaultValue("def_NavigationToolTipTextFormatString"), ANPDescription("desc_NavigationToolTipTextFormatString")]
        public string NavigationToolTipTextFormatString
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.NavigationToolTipTextFormatString;
                object obj = ViewState["NvToolTipFormatString"];
                if (obj == null)
                {
                    if (ShowNavigationToolTip)
                        return SR.GetString("def_NavigationToolTipTextFormatString");
                    return null;
                }
                return (string)obj;
            }
            set
            {
                string tip = value;
                if (tip.Trim().Length < 1 && tip.IndexOf("{0}") < 0)
                    tip = "{0}";
                ViewState["NvToolTipFormatString"] = tip;
            }
        }

        /// <include file='AspnetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NumericButtonTextFormatString"]/*'/>
        [Browsable(true), Themeable(false), DefaultValue(""), ANPCategory("cat_Navigation"), ANPDescription("desc_NBTFormatString")]
        public string NumericButtonTextFormatString
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.NumericButtonTextFormatString;
                object obj = ViewState["NumericButtonTextFormatString"];
                return (obj == null) ? String.Empty : (string)obj;
            }
            set
            {
                ViewState["NumericButtonTextFormatString"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="PagingButtonType"]/*'/>
        [Browsable(true), Themeable(false), DefaultValue(PagingButtonType.Text), ANPCategory("cat_Navigation"), ANPDescription("desc_PagingButtonType")]
        public PagingButtonType PagingButtonType
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.PagingButtonType;
                object obj = ViewState["PagingButtonType"];
                return (obj == null) ? PagingButtonType.Text : (PagingButtonType)obj;
            }
            set
            {
                ViewState["PagingButtonType"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NumericButtonType"]/*'/>
        [Browsable(true), Themeable(false), DefaultValue(PagingButtonType.Text), ANPCategory("cat_Navigation"), ANPDescription("desc_NumericButtonType")]
        public PagingButtonType NumericButtonType
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.NumericButtonType;
                object obj = ViewState["NumericButtonType"];
                return (obj == null) ? PagingButtonType : (PagingButtonType)obj;
            }
            set
            {
                ViewState["NumericButtonType"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NavigationButtonType"]/*'/>
        [Browsable(true), Themeable(false), ANPCategory("cat_Navigation"), DefaultValue(PagingButtonType.Text), ANPDescription("desc_NavigationButtonType")]
        public PagingButtonType NavigationButtonType
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.NavigationButtonType;
                object obj = ViewState["NavigationButtonType"];
                return (obj == null) ? PagingButtonType : (PagingButtonType)obj;
            }
            set
            {
                ViewState["NavigationButtonType"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="MoreButtonType"]/*'/>
        [Browsable(true), Themeable(false), ANPCategory("cat_Navigation"), DefaultValue(PagingButtonType.Text), ANPDescription("desc_MoreButtonType")]
        public PagingButtonType MoreButtonType
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.MoreButtonType;
                object obj = ViewState["MoreButtonType"];
                return (obj == null) ? PagingButtonType : (PagingButtonType)obj;
            }
            set
            {
                ViewState["MoreButtonType"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="PagingButtonSpacing"]/*'/>
        [Browsable(true), Themeable(false), ANPCategory("cat_Navigation"), DefaultValue(typeof(Unit), "5px"), ANPDescription("desc_PagingButtonSpacing")]
        public Unit PagingButtonSpacing
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.PagingButtonSpacing;
                object obj = ViewState["PagingButtonSpacing"];
                return (obj == null) ? Unit.Pixel(5) : (Unit.Parse(obj.ToString()));
            }
            set
            {
                ViewState["PagingButtonSpacing"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="ShowFirstLast"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_ShowFirstLast"), ANPCategory("cat_Navigation"), DefaultValue(true)]
        public bool ShowFirstLast
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.ShowFirstLast;
                object obj = ViewState["ShowFirstLast"];
                return (obj == null) ? true : (bool)obj;
            }
            set { ViewState["ShowFirstLast"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="ShowPrevNext"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_ShowPrevNext"), ANPCategory("cat_Navigation"), DefaultValue(true)]
        public bool ShowPrevNext
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.ShowPrevNext;
                object obj = ViewState["ShowPrevNext"];
                return (obj == null) ? true : (bool)obj;
            }
            set { ViewState["ShowPrevNext"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="ShowPageIndex"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_ShowPageIndex"), ANPCategory("cat_Navigation"), DefaultValue(true)]
        public bool ShowPageIndex
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.ShowPageIndex;
                object obj = ViewState["ShowPageIndex"];
                return (obj == null) ? true : (bool)obj;
            }
            set { ViewState["ShowPageIndex"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="FirstPageText"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_FirstPageText"), ANPCategory("cat_Navigation"), DefaultValue("&lt;&lt;")]
        public string FirstPageText
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.FirstPageText;
                object obj = ViewState["FirstPageText"];
                return (obj == null) ? "&lt;&lt;" : (string)obj;
            }
            set { ViewState["FirstPageText"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="PrevPageText"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_PrevPageText"), ANPCategory("cat_Navigation"), DefaultValue("&lt;")]
        public string PrevPageText
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.PrevPageText;
                object obj = ViewState["PrevPageText"];
                return (obj == null) ? "&lt;" : (string)obj;
            }
            set { ViewState["PrevPageText"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NextPageText"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_NextPageText"), ANPCategory("cat_Navigation"), DefaultValue("&gt;")]
        public string NextPageText
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.NextPageText;
                object obj = ViewState["NextPageText"];
                return (obj == null) ? "&gt;" : (string)obj;
            }
            set { ViewState["NextPageText"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="LastPageText"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_LastPageText"), ANPCategory("cat_Navigation"), DefaultValue("&gt;&gt;")]
        public string LastPageText
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.LastPageText;
                object obj = ViewState["LastPageText"];
                return (obj == null) ? "&gt;&gt;" : (string)obj;
            }
            set { ViewState["LastPageText"] = value; }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="NumericButtonCount"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_NumericButtonCount"), ANPCategory("cat_Navigation"), DefaultValue(10)]
        public int NumericButtonCount
        {
            get
            {
                if (null != cloneFrom)