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On Tue, Mar 3, 2009 at 12:16 PM, data <[email protected]> wrote:
>
> I have been stuck for several days already. I desperately need some
> help.
>
> I am using Asp.Net 2 and VS2005. I am using a TreeView control and am
> trying to get a click event from a SAME-NODE click event which isn't
> supported by TreeView. So I create a custom control (inherited
> control) from TreeView. But I can seem to get it work. There is no
> compilation error. But when I run it, I got the following error.
>
> Description: An error occurred during the parsing of a resource
> required to service this request. Please review the following specific
> parse error details and modify your source file appropriately.
>
> Parser Error Message: Unknown server tag
> 'mycontrol:WebCustomControl1'.
>
>
> I register it as:
>
> <%@ Register Namespace="CustomControls" TagPrefix="mycontrol"%>
>
> and use it in my aspx page like this:
>
> =======================================================
> <mycontrol:WebCustomControl1 id="m_LeftTree" runat="server"
>
> OnSelectedNodeChanged="OnLeftMenuClicked"
>
> DataSourceID="m_XmlDataSourceTreeView" NodeIndent="10" SkipLinkText=""
> CssClass="minorSpace1" >
>
> ......
>
> </mycontrol:WebCustomControl1>
> ============================================================
>
> The custom control code is extremely simple. I just added from the IDE
> and change the base class to TreeView, so I haven't added any
> functionality. Here it is:
>
> ======================================================
>
> using System;
>
> using System.Collections.Generic;
>
> using System.ComponentModel;
>
> using System.Text;
>
> using System.Web;
>
> using System.Web.UI;
>
> using System.Web.UI.WebControls;
>
> namespace CustomControls
>
> {
>
> [DefaultProperty("Text")]
>
> [ToolboxData("<{0}:WebCustomControl1 runat=server></
> {0}:WebCustomControl1>")]
>
> public class WebCustomControl1 : System.Web.UI.WebControls.TreeView
>
> {
>
> [Bindable(true)]
>
> [Category("Appearance")]
>
> [DefaultValue("")]
>
> [Localizable(true)]
>
> public string Text
>
> {
>
> get
>
> {
>
> String s = (String)ViewState["Text"];
>
> return ((s == null) ? String.Empty : s);
>
> }
>
> set
>
> {
>
> ViewState["Text"] = value;
>
> }
>
> }
>
> protected override void RenderContents(HtmlTextWriter output)
>
> {
>
> output.Write(Text);
>
> }
>
> }
>
> }
>
