ignatandrei · ignatandrei · Feb 15, 2026 · Feb 15, 2026 · Feb 15, 2026 · Feb 15, 2026
diff --git a/README.md b/README.md
@@ -1,10 +1,10 @@
-# RSCG - 256 Examples of Roslyn Source Code Generators  / 16 created by Microsoft / 
+# RSCG - 257 Examples of Roslyn Source Code Generators  / 16 created by Microsoft / 
 
-The RSCG_Examples repository is a comprehensive documentation system that automatically processes and showcases 256 Roslyn Source Code Generator (RSCG) examples. The system transforms individual RSCG projects into structured documentation with code examples and cross-referenced content with a searchable website  and code example  exports.
+The RSCG_Examples repository is a comprehensive documentation system that automatically processes and showcases 257 Roslyn Source Code Generator (RSCG) examples. The system transforms individual RSCG projects into structured documentation with code examples and cross-referenced content with a searchable website  and code example  exports.
 
 This system serves as both a learning resource for .NET developers interested in source generators and an automated pipeline for maintaining up-to-date documentation about the RSCG ecosystem
 
-## Latest Update : 2026-02-14 => 14 February 2026
+## Latest Update : 2026-02-15 => 15 February 2026
 
 If you want to see examples with code, please click  ***[List V2](https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG)***
 
@@ -24,8 +24,30 @@ If you want to be notified each time I add a new RSCG example , please click htt
 
 ## Content 
 
-Those are the 256 Roslyn Source Code Generators that I have tested you can see and download source code example.
+Those are the 257 Roslyn Source Code Generators that I have tested you can see and download source code example.
 ( including 16 from Microsoft )
+### 257. [Pekspro.DataAnnotationValuesExtractor](https://ignatandrei.github.io/RSCG_Examples/v2/docs/Pekspro.DataAnnotationValuesExtractor) , in the [EnhancementClass](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#enhancementclass) category 
+
+Generated on : 2026-02-15 => 15 February 2026
+
+<details>
+  <summary>Expand</summary>
+
+
+
+Author: Pekspro
+
+A source generator for creating constants from data annotations. 
+
+Nuget: [https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/](https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/) 
+
+
+Link: [https://ignatandrei.github.io/RSCG_Examples/v2/docs/Pekspro.DataAnnotationValuesExtractor](https://ignatandrei.github.io/RSCG_Examples/v2/docs/Pekspro.DataAnnotationValuesExtractor)
+
+Source: [https://github.com/pekspro/DataAnnotationValuesExtractor](https://github.com/pekspro/DataAnnotationValuesExtractor)
+
+</details>
+
 ### 256. [Sundew.DiscriminatedUnions](https://ignatandrei.github.io/RSCG_Examples/v2/docs/Sundew.DiscriminatedUnions) , in the [FunctionalProgramming](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#functionalprogramming) category 
 
 Generated on : 2026-02-14 => 14 February 2026
@@ -6040,69 +6062,69 @@ Why I have not tested : issue opened
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/GaoNian-NET/MapperToolkit&body=https://github.com/GaoNian-NET/MapperToolkit
 
 
-30) [https://github.com/IeuanWalker/MinimalApi.Endpoints/]( https://github.com/IeuanWalker/MinimalApi.Endpoints/) , https://github.com/IeuanWalker/MinimalApi.Endpoints/ 
+30) [https://github.com/gumbarros/EndpointHelpers]( https://github.com/gumbarros/EndpointHelpers) , https://github.com/gumbarros/EndpointHelpers 
+
+Why I have not tested : later
+
+https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/gumbarros/EndpointHelpers&body=https://github.com/gumbarros/EndpointHelpers
+
+
+31) [https://github.com/IeuanWalker/MinimalApi.Endpoints/]( https://github.com/IeuanWalker/MinimalApi.Endpoints/) , https://github.com/IeuanWalker/MinimalApi.Endpoints/ 
 
 Why I have not tested : later
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/IeuanWalker/MinimalApi.Endpoints/&body=https://github.com/IeuanWalker/MinimalApi.Endpoints/
 
 
-31) [https://github.com/inputfalken/Dynatello]( https://github.com/inputfalken/Dynatello) , https://github.com/inputfalken/Dynatello 
+32) [https://github.com/inputfalken/Dynatello]( https://github.com/inputfalken/Dynatello) , https://github.com/inputfalken/Dynatello 
 
 Why I have not tested : too complicated
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/inputfalken/Dynatello&body=https://github.com/inputfalken/Dynatello
 
 
-32) [https://github.com/ionite34/MinimalApiMapper]( https://github.com/ionite34/MinimalApiMapper) , https://github.com/ionite34/MinimalApiMapper 
+33) [https://github.com/ionite34/MinimalApiMapper]( https://github.com/ionite34/MinimalApiMapper) , https://github.com/ionite34/MinimalApiMapper 
 
 Why I have not tested : own idea where to generate files, so overwrites
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/ionite34/MinimalApiMapper&body=https://github.com/ionite34/MinimalApiMapper
 
 
-33) [https://github.com/JasonBock/CslaGeneratorSerialization]( https://github.com/JasonBock/CslaGeneratorSerialization) , https://github.com/JasonBock/CslaGeneratorSerialization 
+34) [https://github.com/JasonBock/CslaGeneratorSerialization]( https://github.com/JasonBock/CslaGeneratorSerialization) , https://github.com/JasonBock/CslaGeneratorSerialization 
 
 Why I have not tested : too complicated
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/JasonBock/CslaGeneratorSerialization&body=https://github.com/JasonBock/CslaGeneratorSerialization
 
 
-34) [https://github.com/MoslemBenDhaou/DataSurface]( https://github.com/MoslemBenDhaou/DataSurface) , https://github.com/MoslemBenDhaou/DataSurface 
+35) [https://github.com/MoslemBenDhaou/DataSurface]( https://github.com/MoslemBenDhaou/DataSurface) , https://github.com/MoslemBenDhaou/DataSurface 
 
 Why I have not tested : later
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/MoslemBenDhaou/DataSurface&body=https://github.com/MoslemBenDhaou/DataSurface
 
 
-35) [https://github.com/mu-dawood/EasyValidate]( https://github.com/mu-dawood/EasyValidate) , https://github.com/mu-dawood/EasyValidate 
+36) [https://github.com/mu-dawood/EasyValidate]( https://github.com/mu-dawood/EasyValidate) , https://github.com/mu-dawood/EasyValidate 
 
 Why I have not tested : later
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/mu-dawood/EasyValidate&body=https://github.com/mu-dawood/EasyValidate
 
 
-36) [https://github.com/nuskey8/Csv-CSharp]( https://github.com/nuskey8/Csv-CSharp) , https://github.com/nuskey8/Csv-CSharp 
+37) [https://github.com/nuskey8/Csv-CSharp]( https://github.com/nuskey8/Csv-CSharp) , https://github.com/nuskey8/Csv-CSharp 
 
 Why I have not tested : later
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/nuskey8/Csv-CSharp&body=https://github.com/nuskey8/Csv-CSharp
 
 
-37) [https://github.com/OrgEleCho/EleCho.Internationalization]( https://github.com/OrgEleCho/EleCho.Internationalization) , https://github.com/OrgEleCho/EleCho.Internationalization 
+38) [https://github.com/OrgEleCho/EleCho.Internationalization]( https://github.com/OrgEleCho/EleCho.Internationalization) , https://github.com/OrgEleCho/EleCho.Internationalization 
 
 Why I have not tested : issue opened
 
 https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/OrgEleCho/EleCho.Internationalization&body=https://github.com/OrgEleCho/EleCho.Internationalization
 
 
-38) [https://github.com/pekspro/DataAnnotationValuesExtractor]( https://github.com/pekspro/DataAnnotationValuesExtractor) , https://github.com/pekspro/DataAnnotationValuesExtractor 
-
-Why I have not tested : later
-
-https://github.com/ignatandrei/RSCG_Examples/issues/new?title=https://github.com/pekspro/DataAnnotationValuesExtractor&body=https://github.com/pekspro/DataAnnotationValuesExtractor
-
-
 39) [https://github.com/pierre3/PlantUmlClassDiagramGenerator]( https://github.com/pierre3/PlantUmlClassDiagramGenerator) , https://github.com/pierre3/PlantUmlClassDiagramGenerator 
 
 Why I have not tested : later

diff --git a/later.md b/later.md
@@ -1,6 +1,6 @@
 # Just later
 
-## Latest Update : 2026-02-14 => 14 February 2026
+## Latest Update : 2026-02-15 => 15 February 2026
 
 
 
@@ -74,31 +74,31 @@ Why I have not tested : later
 
 
 
-12) [https://github.com/IeuanWalker/MinimalApi.Endpoints/]( https://github.com/IeuanWalker/MinimalApi.Endpoints/) , https://github.com/IeuanWalker/MinimalApi.Endpoints/ 
+12) [https://github.com/gumbarros/EndpointHelpers]( https://github.com/gumbarros/EndpointHelpers) , https://github.com/gumbarros/EndpointHelpers 
 
 Why I have not tested : later
 
 
 
-13) [https://github.com/MoslemBenDhaou/DataSurface]( https://github.com/MoslemBenDhaou/DataSurface) , https://github.com/MoslemBenDhaou/DataSurface 
+13) [https://github.com/IeuanWalker/MinimalApi.Endpoints/]( https://github.com/IeuanWalker/MinimalApi.Endpoints/) , https://github.com/IeuanWalker/MinimalApi.Endpoints/ 
 
 Why I have not tested : later
 
 
 
-14) [https://github.com/mu-dawood/EasyValidate]( https://github.com/mu-dawood/EasyValidate) , https://github.com/mu-dawood/EasyValidate 
+14) [https://github.com/MoslemBenDhaou/DataSurface]( https://github.com/MoslemBenDhaou/DataSurface) , https://github.com/MoslemBenDhaou/DataSurface 
 
 Why I have not tested : later
 
 
 
-15) [https://github.com/nuskey8/Csv-CSharp]( https://github.com/nuskey8/Csv-CSharp) , https://github.com/nuskey8/Csv-CSharp 
+15) [https://github.com/mu-dawood/EasyValidate]( https://github.com/mu-dawood/EasyValidate) , https://github.com/mu-dawood/EasyValidate 
 
 Why I have not tested : later
 
 
 
-16) [https://github.com/pekspro/DataAnnotationValuesExtractor]( https://github.com/pekspro/DataAnnotationValuesExtractor) , https://github.com/pekspro/DataAnnotationValuesExtractor 
+16) [https://github.com/nuskey8/Csv-CSharp]( https://github.com/nuskey8/Csv-CSharp) , https://github.com/nuskey8/Csv-CSharp 
 
 Why I have not tested : later
 

diff --git a/v2/.tours/Pekspro.DataAnnotationValuesExtractor.tour b/v2/.tours/Pekspro.DataAnnotationValuesExtractor.tour
@@ -0,0 +1,42 @@
+
+{
+  "$schema": "https://aka.ms/codetour-schema",
+  "title": "Pekspro.DataAnnotationValuesExtractor",
+  "steps": 
+  [
+    {
+      "file": "rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/Attr.csproj",
+      "description": "First, we add Nuget  [Pekspro.DataAnnotationValuesExtractor](https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/) in csproj  ",
+      "pattern": "Pekspro.DataAnnotationValuesExtractor"
+    }
+
+        ,{
+        "file": "rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/Values.cs",
+        "description": "File Values.cs  ",
+        "pattern": "this is the code"
+        }
+
+        ,{
+        "file": "rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/Person.cs",
+        "description": "File Person.cs  ",
+        "pattern": "this is the code"
+        }
+
+        ,{
+        "file": "rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/Program.cs",
+        "description": "File Program.cs \r\n>> dotnet run --project rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/Attr.csproj ",
+        "pattern": "this is the code"
+        }
+
+
+        ,{
+        "file": "rscg_examples/Pekspro.DataAnnotationValuesExtractor/src/Attr/obj/GX/Pekspro.DataAnnotationValuesExtractor/Pekspro.DataAnnotationValuesExtractor.DataAnnotationValuesExtractor/Values.g.cs",
+        "description": "Generated File 1  from 1 : Values.g.cs ",
+        "line": 1
+        }
+
+  ],
+
+  "ref": "main"
+
+}
diff --git a/v2/Generator/all.csv b/v2/Generator/all.csv
@@ -255,3 +255,4 @@ Nr,Key,Source,Category
 254,ErrorOrX, https://github.com/ANcpLua/ErrorOrX,API
 255,KnockOff, https://github.com/NeatooDotNet/KnockOff,Tests
 256,Sundew.DiscriminatedUnions, https://github.com/sundews/Sundew.DiscriminatedUnions,FunctionalProgramming
+257,Pekspro.DataAnnotationValuesExtractor, https://github.com/pekspro/DataAnnotationValuesExtractor,EnhancementClass
diff --git a/v2/RSCGExamplesData/GeneratorDataRec.json b/v2/RSCGExamplesData/GeneratorDataRec.json
@@ -1552,5 +1552,11 @@
     "Category": 10,
     "dtStart": "2026-02-14T00:00:00",
     "show": true
+  },
+  {
+    "ID":"Pekspro.DataAnnotationValuesExtractor",
+    "Category": 5,
+    "dtStart": "2026-02-15T00:00:00",
+    "show": true
   }
 ]
diff --git a/v2/RSCGExamplesData/NoExample.json b/v2/RSCGExamplesData/NoExample.json
@@ -988,13 +988,13 @@
       "why":"later"
     },
     {
-      "ID":252,
-      "name":"https://github.com/pekspro/DataAnnotationValuesExtractor",
+      "ID":253,
+      "name":"https://github.com/sebastienros/comptime",
       "why":"later"
     },
     {
-      "ID":253,
-      "name":"https://github.com/sebastienros/comptime",
+      "ID":254,
+      "name":"https://github.com/gumbarros/EndpointHelpers",
       "why":"later"
     }
 

diff --git a/v2/book/examples/Pekspro.DataAnnotationValuesExtractor.html b/v2/book/examples/Pekspro.DataAnnotationValuesExtractor.html
@@ -0,0 +1,65 @@
+
+<h1>RSCG nr 257 :  Pekspro.DataAnnotationValuesExtractor</h1>
+
+<h2>Info</h2>
+Nuget : <a href="https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/" target="_blank">https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/</a>
+
+<p>You can find more details at : <a href="https://github.com/pekspro/DataAnnotationValuesExtractor" target="_blank"> https://github.com/pekspro/DataAnnotationValuesExtractor</a></p>
+
+<p>Author :Pekspro</p>
+
+<p>Source: <a href="https://github.com/pekspro/DataAnnotationValuesExtractor" target="_blank">https://github.com/pekspro/DataAnnotationValuesExtractor</a> </p>
+
+<h2>About</h2>
+
+Generating code to extract values from data annotations in C#.
+
+<h2>
+    How to use
+</h2>
+<h3>
+    Add reference to the  <a href="https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/" target="_blank">Pekspro.DataAnnotationValuesExtractor</a> in the csproj
+</h3>
+<img src="images/Pekspro.DataAnnotationValuesExtractor/Attr.csproj.png" width="580" height="580" />
+
+<h3>This was for me the <b>starting</b> code</h3>
+
+        <br />
+        I have <b>coded</b> the file Program.cs
+        <br />
+    <img src="images/Pekspro.DataAnnotationValuesExtractor/csFiles/Program.cs.png" width="580" height="580" />
+    <hr />
+
+        <br />
+        I have <b>coded</b> the file Person.cs
+        <br />
+    <img src="images/Pekspro.DataAnnotationValuesExtractor/csFiles/Person.cs.png" width="580" height="580" />
+    <hr />
+
+        <br />
+        I have <b>coded</b> the file Values.cs
+        <br />
+    <img src="images/Pekspro.DataAnnotationValuesExtractor/csFiles/Values.cs.png" width="580" height="580" />
+    <hr />
+    <h3>And here are the <i>generated</i> files</h3>
+
+        <br />
+        The file <i>generated</i> is Values.g.cs
+        <br />
+    <img src="images/Pekspro.DataAnnotationValuesExtractor/generated/Values.g.cs.png" width="580" height="580" />
+
+<p>
+    You can download the code and this page as pdf from
+    <a target="_blank" href='https://ignatandrei.github.io/RSCG_Examples/v2/docs/Pekspro.DataAnnotationValuesExtractor'>
+        https://ignatandrei.github.io/RSCG_Examples/v2/docs/Pekspro.DataAnnotationValuesExtractor
+    </a>
+</p>
+
+
+<p>
+    You can see the whole list at 
+    <a target="_blank" href='https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG'>
+        https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG
+    </a>
+</p>
+
diff --git a/v2/book/list.html b/v2/book/list.html
@@ -17,7 +17,7 @@
 </head>
 <body>
     <h1>
-This is the list of 256 RSCG with examples =>
+This is the list of 257 RSCG with examples =>
     </h1>
 
 <table >
@@ -1050,6 +1050,10 @@ <h1>
             <td>256</td>
             <td><a href="examples/Sundew.DiscriminatedUnions.html">Sundew.DiscriminatedUnions</a></td>
         </tr>
+            <tr>
+            <td>257</td>
+            <td><a href="examples/Pekspro.DataAnnotationValuesExtractor.html">Pekspro.DataAnnotationValuesExtractor</a></td>
+        </tr>
 </table>
 
 

diff --git a/v2/book/pandocHTML.yaml b/v2/book/pandocHTML.yaml
@@ -270,6 +270,7 @@ input-files:
 - examples/ErrorOrX.html
 - examples/KnockOff.html
 - examples/Sundew.DiscriminatedUnions.html
+- examples/Pekspro.DataAnnotationValuesExtractor.html
 
 # or you may use input-file: with a single value
 # defaults:

diff --git a/v2/rscg_examples/Pekspro.DataAnnotationValuesExtractor/description.json b/v2/rscg_examples/Pekspro.DataAnnotationValuesExtractor/description.json
@@ -0,0 +1,22 @@
+{
+   "generator":{
+      "name":"Pekspro.DataAnnotationValuesExtractor",
+      "nuget":[
+         "https://www.nuget.org/packages/Pekspro.DataAnnotationValuesExtractor/"
+      ],
+      "link":"https://github.com/pekspro/DataAnnotationValuesExtractor",
+      "author":"Pekspro",
+      "source":"https://github.com/pekspro/DataAnnotationValuesExtractor"
+   },
+   "data":{
+      "goodFor":["Generating code to extract values from data annotations in C#."],
+      "csprojDemo":"Attr.csproj",
+      "csFiles":["Program.cs","Person.cs","Values.cs"],
+      "excludeDirectoryGenerated":[""],
+      "includeAdditionalFiles":[""]
+   },
+   "links":{
+      "blog":"",
+      "video":""
+   }
+}
diff --git a/v2/rscg_examples/Pekspro.DataAnnotationValuesExtractor/nuget.txt b/v2/rscg_examples/Pekspro.DataAnnotationValuesExtractor/nuget.txt
@@ -0,0 +1 @@
+A source generator for creating constants from data annotations.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		A source generator for creating constants from data annotations.