TemplatePagerField.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / xsp / System / Web / Extensions / ui / webcontrols / TemplatePagerField.cs / 1 / TemplatePagerField.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.ComponentModel; 
using System.Diagnostics.CodeAnalysis;
using System.Globalization; 
using System.Web;
using System.Web.Resources;
using System.Web.UI;
 
namespace System.Web.UI.WebControls {
    [AspNetHostingPermission(System.Security.Permissions.SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(System.Security.Permissions.SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    public class TemplatePagerField : DataPagerField {
        private int _startRowIndex; 
        private int _maximumRows;
        private int _totalRowCount;
        private ITemplate _pagerTemplate;
 
        private static readonly object EventPagerCommand = new object();
        private EventHandlerList _events; 
 
        public TemplatePagerField() {
        } 

        /// 
        /// Indicates the list of event handler delegates for the view. This property is read-only.
        ///  
        private EventHandlerList Events {
            get { 
                if (_events == null) { 
                    _events = new EventHandlerList();
                } 
                return _events;
            }
        }
 
        /// 
        ///  Specifies the  that defines how items are rendered.  
        ///  
        [
            Browsable(false), 
            DefaultValue(null),
            ResourceDescription("TemplatePagerField_PagerTemplate"),
            PersistenceMode(PersistenceMode.InnerProperty),
            TemplateContainer(typeof(DataPagerFieldItem), BindingDirection.TwoWay) 
        ]
        public virtual ITemplate PagerTemplate { 
            get { 
                return _pagerTemplate;
            } 
            set {
                _pagerTemplate = value;
                OnFieldChanged();
            } 
        }
 
        [ 
        Category("Action"),
        ResourceDescription("TemplatePagerField_OnPagerCommand") 
        ]
        public event EventHandler PagerCommand {
            add {
                Events.AddHandler(EventPagerCommand, value); 
            }
            remove { 
                Events.RemoveHandler(EventPagerCommand, value); 
            }
        } 

        protected override void CopyProperties(DataPagerField newField) {
            ((TemplatePagerField)newField).PagerTemplate = PagerTemplate;
            base.CopyProperties(newField); 
        }
 
        protected override DataPagerField CreateField() { 
            return new TemplatePagerField();
        } 

        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")]
        public override void HandleEvent(CommandEventArgs e) {
            DataPagerFieldItem item = null; 
            DataPagerFieldCommandEventArgs cea = e as DataPagerFieldCommandEventArgs;
            if (cea != null) { 
                item = cea.Item; 
            }
 
            DataPagerCommandEventArgs pagerEventArgs = new DataPagerCommandEventArgs(this, _totalRowCount, e, item);
            OnPagerCommand(pagerEventArgs);

            if (pagerEventArgs.NewStartRowIndex != -1) { 
                DataPager.SetPageProperties(pagerEventArgs.NewStartRowIndex, pagerEventArgs.NewMaximumRows, true);
            } 
 
        }
 
        public override void CreateDataPagers(DataPagerFieldItem container, int startRowIndex, int maximumRows, int totalRowCount, int fieldIndex) {
            _startRowIndex = startRowIndex;
            _maximumRows = maximumRows;
            _totalRowCount = totalRowCount; 

            if (_pagerTemplate != null) { 
                _pagerTemplate.InstantiateIn(container); 
            }
        } 

        /// 
        /// Raises the event of a .
        ///  
        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")]
        protected virtual void OnPagerCommand(DataPagerCommandEventArgs e) { 
            EventHandler handler = (EventHandler)Events[EventPagerCommand]; 
            if (handler != null) {
                handler(this, e); 
            }
            else {
                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, AtlasWeb.TemplatePagerField_UnhandledEvent, "PagerCommand"));
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.ComponentModel; 
using System.Diagnostics.CodeAnalysis;
using System.Globalization; 
using System.Web;
using System.Web.Resources;
using System.Web.UI;
 
namespace System.Web.UI.WebControls {
    [AspNetHostingPermission(System.Security.Permissions.SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(System.Security.Permissions.SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    public class TemplatePagerField : DataPagerField {
        private int _startRowIndex; 
        private int _maximumRows;
        private int _totalRowCount;
        private ITemplate _pagerTemplate;
 
        private static readonly object EventPagerCommand = new object();
        private EventHandlerList _events; 
 
        public TemplatePagerField() {
        } 

        /// 
        /// Indicates the list of event handler delegates for the view. This property is read-only.
        ///  
        private EventHandlerList Events {
            get { 
                if (_events == null) { 
                    _events = new EventHandlerList();
                } 
                return _events;
            }
        }
 
        /// 
        ///  Specifies the  that defines how items are rendered.  
        ///  
        [
            Browsable(false), 
            DefaultValue(null),
            ResourceDescription("TemplatePagerField_PagerTemplate"),
            PersistenceMode(PersistenceMode.InnerProperty),
            TemplateContainer(typeof(DataPagerFieldItem), BindingDirection.TwoWay) 
        ]
        public virtual ITemplate PagerTemplate { 
            get { 
                return _pagerTemplate;
            } 
            set {
                _pagerTemplate = value;
                OnFieldChanged();
            } 
        }
 
        [ 
        Category("Action"),
        ResourceDescription("TemplatePagerField_OnPagerCommand") 
        ]
        public event EventHandler PagerCommand {
            add {
                Events.AddHandler(EventPagerCommand, value); 
            }
            remove { 
                Events.RemoveHandler(EventPagerCommand, value); 
            }
        } 

        protected override void CopyProperties(DataPagerField newField) {
            ((TemplatePagerField)newField).PagerTemplate = PagerTemplate;
            base.CopyProperties(newField); 
        }
 
        protected override DataPagerField CreateField() { 
            return new TemplatePagerField();
        } 

        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")]
        public override void HandleEvent(CommandEventArgs e) {
            DataPagerFieldItem item = null; 
            DataPagerFieldCommandEventArgs cea = e as DataPagerFieldCommandEventArgs;
            if (cea != null) { 
                item = cea.Item; 
            }
 
            DataPagerCommandEventArgs pagerEventArgs = new DataPagerCommandEventArgs(this, _totalRowCount, e, item);
            OnPagerCommand(pagerEventArgs);

            if (pagerEventArgs.NewStartRowIndex != -1) { 
                DataPager.SetPageProperties(pagerEventArgs.NewStartRowIndex, pagerEventArgs.NewMaximumRows, true);
            } 
 
        }
 
        public override void CreateDataPagers(DataPagerFieldItem container, int startRowIndex, int maximumRows, int totalRowCount, int fieldIndex) {
            _startRowIndex = startRowIndex;
            _maximumRows = maximumRows;
            _totalRowCount = totalRowCount; 

            if (_pagerTemplate != null) { 
                _pagerTemplate.InstantiateIn(container); 
            }
        } 

        /// 
        /// Raises the event of a .
        ///  
        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")]
        protected virtual void OnPagerCommand(DataPagerCommandEventArgs e) { 
            EventHandler handler = (EventHandler)Events[EventPagerCommand]; 
            if (handler != null) {
                handler(this, e); 
            }
            else {
                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, AtlasWeb.TemplatePagerField_UnhandledEvent, "PagerCommand"));
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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TemplatePagerField.cs source code in C# .NET

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