diff --git a/.editorconfig b/.editorconfig
index 4a2590edd..cfed1c2b9 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -88,9 +88,10 @@ dotnet_naming_symbols.constant_fields.required_modifiers          = const
 # var preferences 
 csharp_style_var_for_built_in_types = true:silent 
 csharp_style_var_when_type_is_apparent = true:silent 
-csharp_style_var_elsewhere = true:silent 
+csharp_style_var_elsewhere = true:silent
+csharp_prefer_static_local_function= true:silent
 # Expression-bodied members 
-csharp_style_expression_bodied_methods = false:silent 
+csharp_style_expression_bodied_methods = true:silent
 csharp_style_expression_bodied_constructors = false:silent 
 csharp_style_expression_bodied_operators = false:silent 
 csharp_style_expression_bodied_properties = true:silent 
diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/FloatingLabels.razor.cs b/src/BootstrapBlazor.Shared/Pages/Samples/FloatingLabels.razor.cs
index a2eb66ead..bec2afc9f 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/FloatingLabels.razor.cs
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/FloatingLabels.razor.cs
@@ -4,6 +4,8 @@
 
 using BootstrapBlazor.Shared.Common;
 using BootstrapBlazor.Shared.Pages.Components;
+using System;
+using System.Collections.Generic;
 
 namespace BootstrapBlazor.Shared.Pages
 {
diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/Inputs.razor.cs b/src/BootstrapBlazor.Shared/Pages/Samples/Inputs.razor.cs
index 56e2dc72a..fba5f9e06 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/Inputs.razor.cs
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/Inputs.razor.cs
@@ -4,6 +4,8 @@
 
 using BootstrapBlazor.Shared.Common;
 using BootstrapBlazor.Shared.Pages.Components;
+using System;
+using System.Collections.Generic;
 
 namespace BootstrapBlazor.Shared.Pages
 {
diff --git a/src/BootstrapBlazor/Components/Input/BootstrapInput.razor.cs b/src/BootstrapBlazor/Components/Input/BootstrapInput.razor.cs
index 51c9979e9..853752ffd 100644
--- a/src/BootstrapBlazor/Components/Input/BootstrapInput.razor.cs
+++ b/src/BootstrapBlazor/Components/Input/BootstrapInput.razor.cs
@@ -3,6 +3,7 @@
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 using Microsoft.AspNetCore.Components;
+using System;
 
 namespace BootstrapBlazor.Components
 {