Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / TemplateColumn.cs / 1 / TemplateColumn.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Web; using System.Web.UI; using System.Security.Permissions; ////// // [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class TemplateColumn : DataGridColumn { private ITemplate headerTemplate; private ITemplate footerTemplate; private ITemplate itemTemplate; private ITemplate editItemTemplate; ///Defines the template for controls layout within a /// ////// column. /// Initializes a new instance of the public TemplateColumn() { } ///class. /// /// [ Browsable(false), DefaultValue(null), WebSysDescription(SR.TemplateColumn_EditItemTemplate), PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(DataGridItem)) ] public virtual ITemplate EditItemTemplate { get { return editItemTemplate; } set { editItemTemplate = value; OnColumnChanged(); } } ///Specifies the ///that defines how items in edit mode are rendered. /// [ Browsable(false), DefaultValue(null), WebSysDescription(SR.TemplateColumn_FooterTemplate), PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(DataGridItem)) ] public virtual ITemplate FooterTemplate { get { return footerTemplate; } set { footerTemplate = value; OnColumnChanged(); } } ///Specifies the ///that defines how the control footer is rendered. /// [ Browsable(false), DefaultValue(null), WebSysDescription(SR.TemplateColumn_HeaderTemplate), PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(DataGridItem)) ] public virtual ITemplate HeaderTemplate { get { return headerTemplate; } set { headerTemplate = value; OnColumnChanged(); } } ///Specifies the ////// that defines how the control header is rendered. /// [ Browsable(false), DefaultValue(null), WebSysDescription(SR.TemplateColumn_ItemTemplate), PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(DataGridItem)) ] public virtual ITemplate ItemTemplate { get { return itemTemplate; } set { itemTemplate = value; OnColumnChanged(); } } ///Specifies the ///that defines how items are rendered. /// /// public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) { base.InitializeCell(cell, columnIndex, itemType); ITemplate contentTemplate = null; switch (itemType) { case ListItemType.Header: contentTemplate = headerTemplate; break; case ListItemType.Footer: contentTemplate = footerTemplate; break; case ListItemType.Item: case ListItemType.AlternatingItem: case ListItemType.SelectedItem: contentTemplate = itemTemplate; break; case ListItemType.EditItem: if (editItemTemplate != null) contentTemplate = editItemTemplate; else goto case ListItemType.Item; break; } if (contentTemplate != null) { // The base class might have added a control or some text for some cases // such as header text which need to be removed before // the corresponding template is used. // Note that setting text also has the effect of clearing out any controls. cell.Text = String.Empty; contentTemplate.InstantiateIn(cell); } else { if (itemType == ListItemType.Item || itemType == ListItemType.AlternatingItem || itemType == ListItemType.SelectedItem || itemType == ListItemType.EditItem) { cell.Text = " "; } } } } }
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