From db9bbbbcbba6958c6715d390315c3303b552ac82 Mon Sep 17 00:00:00 2001
From: VinothSF5015 <vinothkumar.sampath@syncfusion.com>
Date: Sat, 25 Apr 2026 21:36:23 +0530
Subject: [PATCH] Sample added

---
 .../.NET/Hidden Column/Hidden Column.slnx     |  3 ++
 .../Hidden Column/Hidden Column.csproj        | 20 +++++++++++++
 .../Hidden Column/Output/.gitkeep             |  0
 .../Hidden Column/Hidden Column/Program.cs    | 28 +++++++++++++++++++
 4 files changed, 51 insertions(+)
 create mode 100644 FAQ/Hidden Column/.NET/Hidden Column/Hidden Column.slnx
 create mode 100644 FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Hidden Column.csproj
 create mode 100644 FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Output/.gitkeep
 create mode 100644 FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Program.cs

diff --git a/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column.slnx b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column.slnx
new file mode 100644
index 00000000..449437c9
--- /dev/null
+++ b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column.slnx	
@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="Hidden Column/Hidden Column.csproj" />
+</Solution>
diff --git a/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Hidden Column.csproj b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Hidden Column.csproj
new file mode 100644
index 00000000..e5c44ff8
--- /dev/null
+++ b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Hidden Column.csproj	
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Hidden_Column</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+    <ItemGroup>
+		<None Update="Output\*">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
+	</ItemGroup>
+</Project>
diff --git a/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Output/.gitkeep b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Output/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Program.cs b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Program.cs
new file mode 100644
index 00000000..6b3ab306
--- /dev/null
+++ b/FAQ/Hidden Column/.NET/Hidden Column/Hidden Column/Program.cs	
@@ -0,0 +1,28 @@
+using Syncfusion.XlsIO;
+using Syncfusion.XlsIO.Implementation;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        using (ExcelEngine excelEngine = new ExcelEngine())
+        {
+            IApplication application = excelEngine.Excel;
+            application.DefaultVersion = ExcelVersion.Xlsx;
+            IWorkbook workbook = application.Workbooks.Create(1);
+
+            // Use the concrete WorksheetImpl when you need access to implementation-specific members
+            WorksheetImpl sheet = workbook.Worksheets[0] as WorksheetImpl;
+
+            // Hide column 1
+            sheet.ShowColumn(1, false);
+
+            // Detect whether column 1 is hidden
+            bool hidden = sheet.ColumnInformation[1] != null && sheet.ColumnInformation[1].IsHidden;
+
+            Console.WriteLine($"Column 1 hidden: {hidden}");
+
+            workbook.SaveAs(Path.GetFullPath(@"Output/Output.xlsx"));
+        }
+    }
+}
\ No newline at end of file