2 // System.Web.UI.WebControls.CompositeDataBoundControl.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // (C) 2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Collections;
36 namespace System.Web.UI.WebControls
38 public abstract class CompositeDataBoundControl : DataBoundControl, INamingContainer
40 protected CompositeDataBoundControl ()
44 public override ControlCollection Controls
47 EnsureChildControls();
52 protected internal override void CreateChildControls ()
56 object itemCount = ViewState ["_ItemCount"];
57 if (itemCount != null) {
58 object [] data = new object [(int) itemCount];
59 CreateChildControls (data, false);
61 else if (RequiresDataBinding)
65 protected internal override void PerformDataBinding (IEnumerable data)
68 ViewState ["_ItemCount"] = CreateChildControls (data, true);
71 protected abstract int CreateChildControls (IEnumerable dataSource, bool dataBinding);