Template DataBinder not working

Question

User-825949172 posted

In the following simple code I am trying to display LabelText property value using databinder in the header template but it seems not displaying. Please advice what is incorrect I am doing here.

 

 

1    using System;
2    using System.Collections.Generic;
3    using System.ComponentModel;
4    using System.Linq;
5    using System.Text;
6    using System.Web;
7    using System.Web.UI;
8    using System.Web.UI.WebControls;
9    
10   namespace AspNetServerControls
11   {
12   	[DefaultProperty("Text")]
13   	[ToolboxData("&lt;{0}:MyGridControl runat=server></{0}:MyGridControl>")]
14   	public class MyGridControl : CompositeControl
15   	{
16   		#region contructor
17   
18   		public MyGridControl()
19   		{
20   		}
21   
22   		#endregion
23   
24   		#region public properties
25   
26   		[TemplateContainer(typeof(BasicTemplateContainer)),
27   		 PersistenceMode(PersistenceMode.InnerProperty),
28   		 Browsable(false)]
29   		public ITemplate HeaderTemplate
30   		{
31   			get;
32   			set;
33   		}
34   
35   		public string LabelText
36   		{
37   			get;
38   			set;
39   		}
40   
41   		#endregion
42   
43   		#region overriden methods & properties
44   
45   		protected override void RenderContents(HtmlTextWriter output)
46   		{
47   			//output.Write(Text);
48   			base.RenderContents(output);
49   		}
50   
51   		protected override void CreateChildControls()
52   		{
53   			Controls.Clear();
54   
55   			if (HeaderTemplate != null)
56   			{
57   				BasicTemplateContainer header = new BasicTemplateContainer();
58   				header.TemplateLabelText = this.LabelText;
59   				HeaderTemplate.InstantiateIn(header);
60   				Controls.Add(header);
61   			}
62   		}
63   
64   		public override void DataBind()
65   		{
66   			CreateChildControls();
67   			ChildControlsCreated = true;
68   
69   			base.DataBind();
70   		}
71   
72   		public override ControlCollection Controls
73   		{
74   			get
75   			{
76   				EnsureChildControls();
77   				return base.Controls;
78   			}
79   		}
80   
81   		#endregion
82   	}
83   
84   
85   	public class BasicTemplateContainer : Control, INamingContainer
86   	{
87   		#region constructors
88   
89   		public BasicTemplateContainer() { }
90   
91   		#endregion
92   
93   		#region public properties
94   
95   		public string TemplateLabelText
96   		{
97   			get;
98   			set;
99   		}
100  
101  		#endregion
102  	}
103  }
104  

   

1            <bhav:MyGridControl ID="grd" LabelText="Hello World" runat="server">
2                <HeaderTemplate><%# DataBinder.Eval(Container, "TemplateLabelText")%> from Bhavesh</HeaderTemplate>
3            </bhav:MyGridControl>