diff --git a/_posts/c/2012-07-01-csharp.html b/_posts/c/2012-07-01-csharp.html
index 6b49b0e..cc1a7a9 100755
--- a/_posts/c/2012-07-01-csharp.html
+++ b/_posts/c/2012-07-01-csharp.html
@@ -10,6 +10,7 @@ <h3 class="board-card-title">Online</h3>
             <ul>
                 <li><a href="http://msdn2.microsoft.com/en-us/vcsharp/aa336809.aspx">Official Website</a></li>
                 <li><a href="http://en.wikipedia.org/wiki/C_Sharp_(programming_language)">Wikipedia C#</a></li>
+                <li><a href="https://www.w3schools.com/cs/index.php"></a>W3Schools C# Tutorial</li>
             </ul>
         </div>
         <div class="board-card">
@@ -32,4 +33,77 @@ <h3 class="board-card-title">Related</h3>
             </ul>
         </div>
     </div>
+    
+    <div class="board">
+        <h2 class="board-title">Get Started</h2>
+        <div class="board-card">
+            <h3 class="board-card-title">Basic</h3>
+            <ul>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/">Introduction</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/types">Types</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/program-building-blocks">Program Building Blocks</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/features">Major Language Area</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/fundamentals/types/classes">Classes</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/methods">Methods</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/properties">Properties</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/linq/write-linq-queries">LINQ in C#</a></li>
+            </ul>
+        </div>
+    </div>
+    
+     <div class="board">
+        <h2 class="board-title">File and Folder</h2>
+        <div class="board-card">
+            <h3 class="board-card-title">Method</h3>
+            <ul>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/file-system/how-to-create-a-file-or-folder">Create a File or Folder</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/file-system/how-to-copy-delete-and-move-files-and-folderss">Copy, Delete and Move Files and Folders</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/file-system/how-to-write-to-a-text-file">Write Text File</a></li>
+                <li><a href="https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/file-system/how-to-read-from-a-text-file">Read Text File</a></li>
+                <li><a href=""></a></li>
+            </ul>
+        </div>
+    </div>
+    
+    <div class="board">
+        <h2 class="board-title">Useful Nuget Packages</h2>
+        <div class="board-card">
+            <h3 class="board-card-title">JSON</h3>
+            <ul>
+                <li><a href="https://www.nuget.org/packages/Newtonsoft.Json/13.0.2-beta1">Newtonsoft.Json for JSON</a></li>
+            </ul>
+        </div>
+         <div class="board-card">
+            <h3 class="board-card-title">Database</h3>
+            <ul>
+                <li><a href="https://www.nuget.org/packages/Microsoft.Data.SqlClient/5.0.0-preview3.22168.1">Microsoft.Data.SqlClient for SQL Server Database</a></li>
+                <li><a href="https://www.nuget.org/packages/MongoDB.Driver">MongoDB.Driver.Core for Mongo Database</a></li>
+                <li><a href="https://www.nuget.org/packages/MySql.Data">MySql.Data for MySQL Database</a></li>
+            </ul>
+        </div>
+        <div class="board-card">
+            <h3 class="board-card-title">Data Science and Machine Learning</h3>
+            <ul>
+                <li><a href="https://www.nuget.org/packages/Microsoft.ML/2.0.0-preview.22313.1">Microsoft ML.NET</a></li>
+                <li><a href="https://www.nuget.org/packages/TensorFlow.NET">TensorFlow.NET</a></li>
+                <li><a href=https://www.nuget.org/packages/TensorFlow.Keras"">TensorFlow.Keras</a></li>
+                <li><a href="https://www.nuget.org/packages/Torch.NET">Torch.NET</a></li>
+                <li><a href="https://www.nuget.org/packages/Numpy">Numpy</a></li>
+                <li><a href=https://www.nuget.org/packages/Pandas.NET"">Pandas</a></li>
+                <li><a href="https://plotly.net/">Plotly.NET for generating charts</a></li>
+            </ul>
+        </div>
+         <div class="board-card">
+            <h3 class="board-card-title">Other</h3>
+            <ul>
+                <li><a href="https://www.nuget.org/packages/jQuery">JQuery</a></li>
+                <li><a href="https://www.nuget.org/packages/bootstrap/5.2.0-beta1">BootStrap</a></li>
+                <li><a href="https://www.nuget.org/packages/Google.Apis">Google APIs</a></li>
+                <li><a href="https://www.nuget.org/packages/HtmlAgilityPack">HTMLAgilityPack for parsing HTML</a></li>
+                <li><a href="https://www.nuget.org/packages/Selenium.WebDriver">Selenium Web Driver</a></li>
+                <li><a href="https://www.nuget.org/packages/Xamarin.Forms">Xamarin Forms for building native UIs for iOS/macOS and Android</a></li>
+                <li><a href="https://restsharp.dev/">RestSharp for REST API</a></li>
+            </ul>
+        </div>
+    </div>
 </div>