aspnetpager.cs

asp.net分页控件源码

            set
            {
                ViewState["UrlRewriting"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="UrlRewritePattern"]/*'/>
        [Browsable(true), Themeable(false), Category("Behavior"), DefaultValue(null), ANPDescription("desc_UrlRewritePattern")]
        public string UrlRewritePattern
        {
            get
            {
                object obj = ViewState["URPattern"];
                if (null == obj)
                {
                    if (null != cloneFrom)
                        return cloneFrom.UrlRewritePattern;
                    if (EnableUrlRewriting)
                    {
                        string filePath = Page.Request.FilePath;
                        return Path.GetFileNameWithoutExtension(filePath) + "_{0}" + Path.GetExtension(filePath);
                    }
                    return null;
                }
                return (string)obj;
            }
            set
            {
                ViewState["URPattern"] = value;
            }
        }

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

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="CssClass"]/*'/>
        [Browsable(true), ANPDescription("desc_CssClass"), Category("Appearance"), DefaultValue(null)]
        public override string CssClass
        {
            get { return base.CssClass; }
            set
            {
                base.CssClass = value;
                cssClassName = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="Wrap"]/*'/>
        public override bool Wrap
        {
            get
            {
                return base.Wrap;
            }
            set
            {
                base.Wrap = false;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="PageIndexOutOfRangeErrorMessage"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_PIOutOfRangeMsg"), ANPDefaultValue("def_PIOutOfRangerMsg"), Category("Data")]
        public string PageIndexOutOfRangeErrorMessage
        {
            get
            {
                object obj = ViewState["PIOutOfRangeErrorMsg"];
                if (null == obj)
                {
                    if (null != cloneFrom)
                        return cloneFrom.PageIndexOutOfRangeErrorMessage;
                    return SR.GetString("def_PIOutOfRangerMsg");
                }
                return (string)obj;
            }
            set
            {
                ViewState["PIOutOfRangeErrorMsg"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="InvalidPageIndexErrorMessage"]/*'/>
        [Browsable(true), Themeable(false), ANPDescription("desc_InvalidPIErrorMsg"), ANPDefaultValue("def_InvalidPIErrorMsg"), Category("Data")]
        public string InvalidPageIndexErrorMessage
        {
            get
            {
                object obj = ViewState["InvalidPIErrorMsg"];
                if (null == obj)
                {
                    if (null != cloneFrom)
                        return cloneFrom.InvalidPageIndexErrorMessage;
                    return SR.GetString("def_InvalidPIErrorMsg");
                }
                return (string)obj;
            }
            set
            {
                ViewState["InvalidPIErrorMsg"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="CurrentPageButtonStyle"]/*'/>
        [Browsable(true),Category("Appearance"),ANPDescription("desc_CurrentPageButtonStyle"),DefaultValue(null)]
        public string CurrentPageButtonStyle
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.CurrentPageButtonStyle;
                object obj = ViewState["CPBStyle"];
                return (null==obj)?null:(string)obj;
            }
            set
            {
                ViewState["CPBStyle"] = value;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Property[@name="CurrentPageButtonClass"]/*'/>
        [Browsable(true), Category("Appearance"), ANPDescription("desc_CurrentPageButtonClass"), DefaultValue(null)]
        public string CurrentPageButtonClass
        {
            get
            {
                if (null != cloneFrom)
                    return cloneFrom.CurrentPageButtonClass;
                object obj = ViewState["CPBClass"];
                return (null==obj)?null:(string)obj;
            }
            set
            {
                ViewState["CPBClass"] = value;
            }
        }

        #endregion

        #endregion

        #region Control Rendering Logic

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="OnInit"]/*'/>
        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            if (null != CloneFrom && string.Empty != CloneFrom.Trim())
            {
                AspNetPager ctrl = Parent.FindControl(CloneFrom) as AspNetPager;
                if (null == ctrl)
                {
                    string errStr = SR.GetString("clonefromexeption");
                    if (null == errStr)
                        errStr = "The control \" %controlID% \" does not exist or is not of type Wuqi.Webdiyer.AspNetPager!";
                    throw new ArgumentException(errStr.Replace("%controlID%", CloneFrom), "CloneFrom");
                }
                else if (null != ctrl.cloneFrom && this == ctrl.cloneFrom)
                {
                    string errStr = SR.GetString("recusiveclonefrom");
                    if(null==errStr)
                        errStr="Invalid value for the CloneFrom property, AspNetPager controls can not to be cloned recursively!";
                    throw new ArgumentException(errStr, "CloneFrom");
                }
                cloneFrom = ctrl;
                this.CssClass = cloneFrom.CssClass;
                this.Width = cloneFrom.Width;
                this.Height = cloneFrom.Height;
                this.HorizontalAlign = cloneFrom.HorizontalAlign;
                this.BackColor = cloneFrom.BackColor;
                this.BackImageUrl = cloneFrom.BackImageUrl;
                this.BorderColor = cloneFrom.BorderColor;
                this.BorderStyle = cloneFrom.BorderStyle;
                this.BorderWidth = cloneFrom.BorderWidth;
                this.Font.CopyFrom(cloneFrom.Font);
                this.ForeColor = cloneFrom.ForeColor;
                this.EnableViewState = cloneFrom.EnableViewState;
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="OnLoad"]/*'/>
        protected override void OnLoad(EventArgs e)
        {
            if (UrlPaging)
            {
                currentUrl = Page.Request.Path;
                urlParams = Page.Request.QueryString;
                if (!Page.IsPostBack && cloneFrom == null)
                {
                    string pageIndex = Page.Request.QueryString[UrlPageIndexName];
                    int index = 1;
                    if (!string.IsNullOrEmpty(pageIndex))
                    {
                        try
                        {
                            index = int.Parse(pageIndex);
                        }
                        catch { }
                    }
                    PageChangingEventArgs args = new PageChangingEventArgs(index);
                    OnPageChanging(args);
                }
            }
            else
            {
                inputPageIndex = Page.Request.Form[this.UniqueID + "_input"];
            }
            base.OnLoad(e);
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="OnPreRender"]/*'/>
        protected override void OnPreRender(EventArgs e)
        {
            if (PageCount > 1)
            {
                if ((ShowInputBox == ShowInputBox.Always) || (ShowInputBox == ShowInputBox.Auto && PageCount >= ShowBoxThreshold))
                {
                    StringBuilder sb = new StringBuilder("<script language=\"Javascript\"><!--\n");
                    string ciscript = SR.GetString("checkinputscript");
                    if (ciscript != null)
                    {
                        ciscript = ciscript.Replace("%PageIndexOutOfRangeErrorMessage%", PageIndexOutOfRangeErrorMessage);
                        ciscript = ciscript.Replace("%InvalidPageIndexErrorMessage%", InvalidPageIndexErrorMessage);
                    }
                    sb.Append(ciscript).Append("\n");
                    string kdscript = SR.GetString("keydownscript");
                    sb.Append(kdscript).Append("\n");
                    if (UrlPaging)
                    {
                        sb.Append("function ANP_goToPage(inputEl){var pi=inputEl.value;");
                        sb.Append("location.href=\"").Append(GetHrefString(-1)).Append("\";}");
                    }
                    sb.Append("\n--></script>");
                    Type ctype = this.GetType();
                    ClientScriptManager cs = Page.ClientScript;
                    if (!cs.IsClientScriptBlockRegistered(ctype, "anp_script"))
                        cs.RegisterClientScriptBlock(ctype, "anp_script", sb.ToString());
                }
            }
            base.OnPreRender(e);
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="AddAttributesToRender"]/*'/>
        protected override void AddAttributesToRender(HtmlTextWriter writer)
        {
            if (this.Page != null && !UrlPaging)
                this.Page.VerifyRenderingInServerForm(this);
            base.AddAttributesToRender(writer);
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="RenderBeginTag"]/*'/>
        public override void RenderBeginTag(HtmlTextWriter writer)
        {
            bool showPager = (PageCount > 1 || (PageCount <= 1 && AlwaysShow));
            writer.WriteLine();
            writer.Write("<!-- ");
            writer.Write("AspNetPager V" + ver + " for VS2005  Copyright:2003-2006 Webdiyer (www.webdiyer.com)");
            writer.WriteLine(" -->");
            if (!showPager)
            {
                writer.Write("<!--");
                writer.Write(SR.GetString("autohideinfo"));
                writer.Write("-->");
            }
            else
            {
                base.RenderBeginTag(writer);
                if (ShowCustomInfoSection == ShowCustomInfoSection.Left || ShowCustomInfoSection == ShowCustomInfoSection.Right)
                {
                    writer.AddAttribute(HtmlTextWriterAttribute.Width, "100%");
                    writer.AddAttribute(HtmlTextWriterAttribute.Style, Style.Value);
                    if (Height != Unit.Empty)
                        writer.AddStyleAttribute(HtmlTextWriterStyle.Height, Height.ToString());
                    writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
                    writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
                    writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
                    writer.RenderBeginTag(HtmlTextWriterTag.Table);
                    writer.RenderBeginTag(HtmlTextWriterTag.Tr);
                    WriteCellAttributes(writer, true);
                    writer.RenderBeginTag(HtmlTextWriterTag.Td);
                }
            }
        }

        /// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="RenderEndTag"]/*'/>
        public override void RenderEndTag(HtmlTextWriter writer)
        {
            if (PageCount > 1 || (PageCount <= 1 && AlwaysShow))