DataListItem.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / DataListItem.cs / 1305376 / DataListItem.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls { 
 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.Web.UI;
    using System.Web.Util;
 
    /// 
    /// Represents an item in the .  
    ///  
    [
    ToolboxItem(false) 
    ]
    public class DataListItem : WebControl, IDataItemContainer {

        private int itemIndex; 
        private ListItemType itemType;
        private object dataItem; 
 

        ///  
        /// Initializes a new instance of the  class.
        /// 
        public DataListItem(int itemIndex, ListItemType itemType) {
            this.itemIndex = itemIndex; 
            this.itemType = itemType;
        } 
 

 
        /// 
        /// Represents an item in the . 
        /// 
        public virtual object DataItem { 
            get {
                return dataItem; 
            } 
            set {
                dataItem = value; 
            }
        }

 
        /// 
        /// Indicates the index of the item in the . This property is 
        ///    read-only. 
        /// 
        public virtual int ItemIndex { 
            get {
                return itemIndex;
            }
        } 

 
        ///  
        /// Indicates the type of the item in the .
        ///  
        public virtual ListItemType ItemType {
            get {
                return itemType;
            } 
        }
 
        public override bool SupportsDisabledAttribute { 
            get {
                return RenderingCompatibility < VersionUtil.Framework40; 
            }
        }

        ///  
        /// 
        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;
        } 

 
        ///  
        /// Displays a  on the client.
        ///  
        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())); 
                }
            } 
        }


        ///  
        /// 
        ///  
        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;
            } 
        }
    } 
} 


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

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