Upgraded to Preview 7

Author: daghb

azure-pipelines.yml

@@ -11,7 +11,7 @@ steps:
 - task: DotNetCoreInstaller@0
   displayName: 'Installing .NET Core SDK...'
   inputs:
-    version: 3.0.100-preview6-012264
+    version: 3.0.100-preview7-012821
 
 - task: NuGetToolInstaller@0
   displayName: 'Installing Nuget Tools...'

samples/BlazorClientSide/BlazorClientSide.csproj

@@ -11,9 +11,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Blazor" Version="3.0.0-preview6.19307.2" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="3.0.0-preview6.19307.2" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.DevServer" Version="3.0.0-preview6.19307.2" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor" Version="3.0.0-preview7.19365.7" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="3.0.0-preview7.19365.7" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.DevServer" Version="3.0.0-preview7.19365.7" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>

src/Blazored.SessionStorage/Blazored.SessionStorage.csproj

@@ -29,7 +29,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.Browser" Version="3.0.0-preview6.19307.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.Browser" Version="3.0.0-preview7.19365.7" />
     <PackageReference Include="Microsoft.TypeScript.MsBuild" Version="3.5.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>

src/Blazored.SessionStorage/SessionStorageService.cs

@@ -1,6 +1,6 @@
 using Microsoft.JSInterop;
 using System;
-using System.Text.Json.Serialization;
+using System.Text.Json;
 using System.Threading.Tasks;
 
 namespace Blazored.SessionStorage
@@ -26,7 +26,7 @@ public async Task SetItemAsync(string key, object data)
             if (e.Cancel)
                 return;
 
-            await _jSRuntime.InvokeAsync<object>("Blazored.SessionStorage.SetItem", key, JsonSerializer.ToString(data));
+            await _jSRuntime.InvokeAsync<object>("Blazored.SessionStorage.SetItem", key, JsonSerializer.Serialize(data));
 
             RaiseOnChanged(key, e.OldValue, data);
         }
@@ -41,7 +41,7 @@ public async Task<T> GetItemAsync<T>(string key)
             if (serialisedData == null)
                 return default(T);
 
-            return JsonSerializer.Parse<T>(serialisedData);
+            return JsonSerializer.Deserialize<T>(serialisedData);
         }
 
         public async Task RemoveItemAsync(string key)
@@ -71,7 +71,7 @@ public void SetItem(string key, object data)
             if (e.Cancel)
                 return;
 
-            _jSInProcessRuntime.Invoke<object>("Blazored.SessionStorage.SetItem", key, JsonSerializer.ToString(data));
+            _jSInProcessRuntime.Invoke<object>("Blazored.SessionStorage.SetItem", key, JsonSerializer.Serialize(data));
 
             RaiseOnChanged(key, e.OldValue, data);
         }
@@ -89,7 +89,7 @@ public T GetItem<T>(string key)
             if (serialisedData == null)
                 return default(T);
 
-            return JsonSerializer.Parse<T>(serialisedData);
+            return JsonSerializer.Deserialize<T>(serialisedData);
         }
 
         public void RemoveItem(string key)