ITemplate and ControlBuilder

Discussion in 'ASP .Net Building Controls' started by richard.szalay, Mar 26, 2007.

  1. My question in its simplest form is this. How can I have the ASP.NET
    below map the "SomeTemplate" template to an ITemplate property without
    using ParseChildren(true) - in fact, I need to have
    ParseChildren(false) because other children are complex (with
    attributes and such).

    <!-- ASP.NET -->
    <cl:CustomControl runat="server">
    <SomeTemplate><%# Eval("tada") %></SomeTemplate>

    // Control code
    public class CustomControl : Control
    public ITemplate SomeTemplate { get; set; }

    I have attempted to use a ControlBuilder, but have had significant
    issues in getting it to handle an ITemplate. The closest I've come is
    the below sample, but even it freaks out the ASP.NET compiler with an
    error "No overload for method __BuildControl__control6 takes '0'
    arguments". I know I'm getting close because the code behind is
    compiling the content as a template.

    [PersistChildren(true), ParseChildren(false),
    public class SampleControl : Control, IParserAccessor
    private ITemplate sampleTemplate;

    public ITemplate SampleTemplate
    get { return sampleTemplate; }
    set { sampleTemplate = value; }

    #region IParserAccessor Members

    void IParserAccessor.AddParsedSubObject(object obj)
    if (obj is SampleControlTemplate)
    this.sampleTemplate =


    public class SampleControlBuilder : TemplateBuilder
    public override Type GetChildControlType(string tagName,
    System.Collections.IDictionary attribs)
    if (tagName.Equals("sampletemplate",
    return typeof(SampleControlTemplate);

    return null;

    public class SampleControlTemplate
    private ITemplate template;
    public ITemplate Template
    get { return template; }
    set { template = value; }

    public SampleControlTemplate()

    Any thoughts?
    richard.szalay, Mar 26, 2007
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