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    <p>You need something like this. Everything is ok, but you have to complete the TabCollection class.</p> <p><strong>Edit:</strong> Pardon me, I didn't test the code. Anyway found some problems so resolved them.</p> <p><strong>UserControl</strong></p> <pre><code>[ParseChildren(true, "Tabs"), PersistChildren(false)] public partial class TabMenu : UserControl { private TabCollection _tabs; [Browsable(false), PersistenceMode(PersistenceMode.InnerProperty), MergableProperty(false)] public virtual TabCollection Tabs { get { if (this._tabs == null) this._tabs = new TabCollection(this); return this._tabs; } } protected override ControlCollection CreateControlCollection() { return new TabMenuControlCollection(this); } } </code></pre> <p><strong>Tab</strong></p> <pre><code>public class Tab : HtmlGenericControl { public string Label { get { return (string)ViewState["Label"] ?? string.Empty; } set { ViewState["Label"] = value; } } } </code></pre> <p><strong>TabCollection</strong></p> <pre><code>public class TabCollection : IList, ICollection, IEnumerable { private TabMenu _tabMenu; public TabCollection(TabMenu tabMenu) { if (tabMenu == null) throw new ArgumentNullException("tabMenu"); this._tabMenu = tabMenu; } public virtual int Add(Tab tab) { if (tab == null) throw new ArgumentNullException("tab"); this._tabMenu.Controls.Add(tab); return this._tabMenu.Controls.Count - 1; } int IList.Add(object value) { return this.Add((Tab)value); } // You have to write other methods and properties as Add. } </code></pre> <p><strong>TabMenuControlCollection</strong></p> <pre><code>public class TabMenuControlCollection : ControlCollection { public TabMenuControlCollection(TabMenu owner) : base(owner) { } public override void Add(Control child) { if (child == null) throw new ArgumentNullException("child"); if (!(child is TabMenu)) throw new ArgumentException("The TabMenu control can only have a child of type 'Tab'."); base.Add(child); } public override void AddAt(int index, Control child) { if (child == null) throw new ArgumentNullException("child"); if (!(child is TabMenu)) throw new ArgumentException("The TabMenu control can only have a child of type 'Tab'."); base.AddAt(index, child); } } </code></pre>
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    1. POASP.NET: Build user control that take a list as parameter?
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    1. USMehdi Golchin
    1. USMehdi Golchin
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    1. CONice! I'm getting though: Foo.Presentation.Controls.TabCollection must have items of type 'Foo.Presentation.Controls.Tab'. 'Tab' is of type 'System.Web.UI.HtmlControls.HtmlGenericControl'.
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      1. USNiels Bosma
    2. COIt's so different. Take a look at my edited post.
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      1. USMehdi Golchin
    3. COany idea why visual studio only knows only about 'TabMenu' and 'Tabs', but not about 'Tab' control during editing aspx page (for autocomplete)?
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      1. USdcg
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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