Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / DataListItem.cs / 1 / DataListItem.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Web.UI; using System.Security.Permissions; ////// [ ToolboxItem(false) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class DataListItem : WebControl, IDataItemContainer { private int itemIndex; private ListItemType itemType; private object dataItem; ///Represents an item in the ///. /// public DataListItem(int itemIndex, ListItemType itemType) { this.itemIndex = itemIndex; this.itemType = itemType; } ///Initializes a new instance of the ///class. /// public virtual object DataItem { get { return dataItem; } set { dataItem = value; } } ///Represents an item in the ///. /// public virtual int ItemIndex { get { return itemIndex; } } ///Indicates the index of the item in the ///. This property is /// read-only. /// public virtual ListItemType ItemType { get { return itemType; } } ///Indicates the type of the item in the ///. /// protected override Style CreateControlStyle() { return new TableItemStyle(); } ////// /// protected override bool OnBubbleEvent(object source, EventArgs e) { if (e is CommandEventArgs) { DataListCommandEventArgs args = new DataListCommandEventArgs(this, source, (CommandEventArgs)e); RaiseBubbleEvent(this, args); return true; } return false; } ////// public virtual void RenderItem(HtmlTextWriter writer, bool extractRows, bool tableLayout) { HttpContext con = Context; if ((con != null) && con.TraceIsEnabled) { int presize = con.Response.GetBufferedLength(); RenderItemInternal(writer, extractRows, tableLayout); int postsize = con.Response.GetBufferedLength(); con.Trace.AddControlSize(UniqueID, postsize - presize); } else RenderItemInternal(writer, extractRows, tableLayout); } private void RenderItemInternal(HtmlTextWriter writer, bool extractRows, bool tableLayout) { if (extractRows == false) { if (tableLayout) { // in table mode, style information has gone on the containing TD RenderContents(writer); } else { // in non-table mode, the item itself is responsible for putting // out the style information RenderControl(writer); } } else { IEnumerator controlEnum = this.Controls.GetEnumerator(); Table templateTable = null; bool hasControls = false; while (controlEnum.MoveNext()) { hasControls = true; Control c = (Control)controlEnum.Current; if (c is Table) { templateTable = (Table)c; break; } } if (templateTable != null) { IEnumerator rowEnum = templateTable.Rows.GetEnumerator(); while (rowEnum.MoveNext()) { TableRow r = (TableRow)rowEnum.Current; r.RenderControl(writer); } } else if (hasControls) { // there was a template, since there were controls but // none of them was a table... so throw an exception here throw new HttpException(SR.GetString(SR.DataList_TemplateTableNotFound, Parent.ID, itemType.ToString())); } } } ///Displays a ///on the client. /// /// protected internal virtual void SetItemType(ListItemType itemType) { this.itemType = itemType; } ////// /// object IDataItemContainer.DataItem { get { return DataItem; } } int IDataItemContainer.DataItemIndex { get { return ItemIndex; } } int IDataItemContainer.DisplayIndex { get { return ItemIndex; } } } }
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