Target netstandard 2.0

README.md

@@ -183,4 +183,4 @@ Default top-left cell is A1. With `SetStartingAddress` you can specify any other
 - Conditional format
 - Append rows to an existing report ✓
 - Posibility to change the top-left starting point ✓
-- Target netstandard 2.0 in nuget package
+- Target netstandard 2.0 in nuget package ✓

src/Kevull.EPPLus.MultiHeader.Test/Kevull.EPPLus.MultiHeader.Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 

src/Kevull.EPPLus.MultiHeader/Columns/PropertyNameBuilder.cs

@@ -35,7 +35,7 @@ public PropertyNames Build(Expression<Func<T, object?>> expression)
             names.Add(memberExpr!.Member.Name);
             names.Reverse();
 
-            result.FullName = string.Join('.', names);
+            result.FullName = string.Join(".", names);
             return result;
         }
     }

src/Kevull.EPPLus.MultiHeader/HeaderManager.cs

@@ -81,7 +81,7 @@ protected List<ColumnInfo> ChildColumns(int deep)
             var result = new List<ColumnInfo>();
             foreach(var col in Columns.Where(x => x.Deep > deep))
             {
-                col.FullName = string.Join('.', col.FullName.Split('.').Skip(deep));
+                col.FullName = string.Join(".", col.FullName.Split('.').Skip(deep));
                 result.Add(col);
             }
             return result;
@@ -237,14 +237,20 @@ private ColumnInfo ColumnInfoFactory(PropertyInfo property)
         private string? GetDefaultStyleNameForDataType(PropertyInfo property)
         {
             string? styleName = null;
-            if (property.PropertyType == typeof(DateOnly) || property.PropertyType == typeof(DateTime))
+            if (property.PropertyType == typeof(DateTime))
+            {
+                styleName = StyleNames.DateStyleName;
+            }
+#if !NETSTANDARD2_0
+            else if (property.PropertyType == typeof(DateOnly))
             {
                 styleName = StyleNames.DateStyleName;
             }
             else if (property.PropertyType == typeof(TimeOnly))
             {
                 styleName = StyleNames.TimeStyleName;
             }
+#endif
             return styleName;
         }
 

src/Kevull.EPPLus.MultiHeader/Kevull.EPPLus.MultiHeader.csproj

@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+	<TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
+	<LangVersion>12.0</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 	<GenerateDocumentationFile>True</GenerateDocumentationFile>