From df64abaf9c8e085b7d84593b9223e78494fc4fa7 Mon Sep 17 00:00:00 2001
From: sbwalker <shaun.walker@siliqon.com>
Date: Tue, 20 Feb 2024 14:54:48 -0500
Subject: [PATCH] fix #3839 - changing theme in Page Add/Edit throwing
 exception

---
 Oqtane.Client/Modules/Admin/Pages/Add.razor  |  7 ++++---
 Oqtane.Client/Modules/Admin/Pages/Edit.razor | 11 ++++++-----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/Oqtane.Client/Modules/Admin/Pages/Add.razor b/Oqtane.Client/Modules/Admin/Pages/Add.razor
index 05a97d7a..27411dcf 100644
--- a/Oqtane.Client/Modules/Admin/Pages/Add.razor
+++ b/Oqtane.Client/Modules/Admin/Pages/Add.razor
@@ -201,7 +201,7 @@
             @if (_themeSettingsType != null)
             {
                 <TabPanel Name="ThemeSettings" Heading=@Localizer["Theme.Heading"] ResourceKey="ThemeSettings">
-                    @ThemeSettingsComponent
+                    @_themeSettingsComponent
                 </TabPanel>
             }
         </TabStrip>
@@ -240,7 +240,7 @@
     private PermissionGrid _permissionGrid;
     private Type _themeSettingsType;
     private object _themeSettings;
-    private RenderFragment ThemeSettingsComponent { get; set; }
+    private RenderFragment _themeSettingsComponent { get; set; }
     private bool _refresh = false;
     protected Page _parent = null;
     protected Dictionary<string, string> _icons;
@@ -337,13 +337,14 @@
     private void ThemeSettings()
     {
         _themeSettingsType = null;
+        _themeSettingsComponent = null;
         var theme = PageState.Site.Themes.FirstOrDefault(item => item.Themes.Any(themecontrol => themecontrol.TypeName.Equals(_themetype)));
         if (theme != null && !string.IsNullOrEmpty(theme.ThemeSettingsType))
         {
             _themeSettingsType = Type.GetType(theme.ThemeSettingsType);
             if (_themeSettingsType != null)
             {
-                ThemeSettingsComponent = builder =>
+                _themeSettingsComponent = builder =>
                 {
                     builder.OpenComponent(0, _themeSettingsType);
                     builder.AddComponentReferenceCapture(1, inst => { _themeSettings = Convert.ChangeType(inst, _themeSettingsType); });
diff --git a/Oqtane.Client/Modules/Admin/Pages/Edit.razor b/Oqtane.Client/Modules/Admin/Pages/Edit.razor
index 3084ef84..a61c28b2 100644
--- a/Oqtane.Client/Modules/Admin/Pages/Edit.razor
+++ b/Oqtane.Client/Modules/Admin/Pages/Edit.razor
@@ -234,7 +234,7 @@
                 @if (_themeSettingsType != null)
                 {
                     <TabPanel Name="ThemeSettings" Heading="Theme Settings" ResourceKey="ThemeSettings">
-                        @ThemeSettingsComponent
+                        @_themeSettingsComponent
                     </TabPanel>
                     <br />
                 }
@@ -278,7 +278,7 @@
                 @if (_themeSettingsType != null)
                 {
                     <TabPanel Name="ThemeSettings" Heading="Theme Settings" ResourceKey="ThemeSettings">
-                        @ThemeSettingsComponent
+                        @_themeSettingsComponent
                     </TabPanel>
                     <br />
                 }
@@ -317,7 +317,7 @@
     private string _containertype = "-";
     private Type _themeSettingsType;
     private object _themeSettings;
-    private RenderFragment ThemeSettingsComponent { get; set; }
+    private RenderFragment _themeSettingsComponent { get; set; }
     private string _headcontent;
     private string _bodycontent;
     private List<Permission> _permissions = null;
@@ -467,7 +467,7 @@
         _containertype = _containers.First().TypeName;
         ThemeSettings();
         StateHasChanged();
-        
+
         // if theme chosen is different than default site theme, display warning message to user
         if (ThemeService.GetTheme(PageState.Site.Themes, _themetype)?.ThemeName != ThemeService.GetTheme(PageState.Site.Themes, PageState.Site.DefaultThemeType)?.ThemeName)
         {
@@ -478,13 +478,14 @@
     private void ThemeSettings()
     {
         _themeSettingsType = null;
+        _themeSettingsComponent = null;
         var theme = PageState.Site.Themes.FirstOrDefault(item => item.Themes.Any(themecontrol => themecontrol.TypeName.Equals(_themetype)));
         if (theme != null && !string.IsNullOrEmpty(theme.ThemeSettingsType))
         {
             _themeSettingsType = Type.GetType(theme.ThemeSettingsType);
             if (_themeSettingsType != null)
             {
-                ThemeSettingsComponent = builder =>
+                _themeSettingsComponent = builder =>
                 {
                     builder.OpenComponent(0, _themeSettingsType);
                     builder.AddComponentReferenceCapture(1, inst => { _themeSettings = Convert.ChangeType(inst, _themeSettingsType); });