ui-convert-extractor-webforms

Installation
SKILL.md

WebForms Extractor

Converts ASP.NET WebForms pages (.aspx) and user controls (.ascx) into Design IR.

What This Extracts

Source Pattern IR Output
<asp:Button runat="server"> Button (btn)
<asp:TextBox runat="server"> Input (inp)
<asp:Label runat="server"> Text (txt)
<asp:Image runat="server"> Image (img)
<asp:Panel runat="server"> Frame (fr)
<asp:GridView> Table (tbl)
<asp:Repeater> List (lst) with one item
<asp:ListView> List (lst) with one item
<asp:ContentPlaceHolder> Content placeholder frame
Standard HTML elements Standard IR mapping

Extraction Process

Step 1: Parse ASPX/ASCX

<%@ Page Title="Login" Language="C#" MasterPageFile="~/Site.Master"
    AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="App.Login" %>

<asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">
    <div class="container">
        <h1>Sign In</h1>
        <asp:TextBox ID="txtEmail" runat="server" CssClass="form-control" placeholder="Email" />
        <asp:TextBox ID="txtPassword" runat="server" TextMode="Password" CssClass="form-control" />
        <asp:Button ID="btnLogin" runat="server" Text="Sign In" CssClass="btn btn-primary"
            OnClick="btnLogin_Click" />
    </div>
</asp:Content>

Step 2: Map Server Controls

Server Control HTML Equivalent IR Type
asp:Button <input type="submit"> btn
asp:LinkButton <a> styled as button btn
asp:TextBox <input> inp
asp:TextBox TextMode="MultiLine" <textarea> inp
asp:Label <span> txt
asp:Image <img> img
asp:Panel <div> fr
asp:GridView <table> tbl
asp:Repeater Repeated items lst
asp:ListView List items lst
asp:DropDownList <select> inp
asp:CheckBox <input type="checkbox"> inp
asp:RadioButton <input type="radio"> inp
asp:HyperLink <a> txt with lnk
asp:Menu Navigation nav

Step 3: Handle Master Pages

Master pages define the layout shell:

  • <asp:ContentPlaceHolder ID="MainContent"> → placeholder frame
  • Extract master page as layout artifact
  • Each .aspx page fills the placeholders

Step 4: Handle User Controls

.ascx files → extract as components. When referenced in pages, use ref type.

Step 5: Resolve Styles

  • Check CssClass attributes on server controls
  • Check <link> tags in master page <head>
  • WebForms often uses Bootstrap or custom CSS

Step 6: Write IR File

One IR per page; user controls as separate component IRs.


Cross-references

  • IR formatui-convert-ir-schema
  • Token lookuptokens.json from ui-convert-token-miner
  • Called byui-convert-coordinator (when tech: "webforms")
Related skills
Installs
2
First Seen
Apr 7, 2026