Code:
/ DotNET / DotNET / 8.0 / untmp / Orcas / RTM / 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; } } ////// [ 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 EventHandlerSpecifies the ///that defines how items are rendered. 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); } } /// /// [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")] protected virtual void OnPagerCommand(DataPagerCommandEventArgs e) { EventHandlerRaises the ///event of a . 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.
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