From 13ae76df73a454769b4066e886dbccd3d2c80d67 Mon Sep 17 00:00:00 2001
From: liangshiwei <deawback@hotmail.com>
Date: Mon, 4 Sep 2023 17:12:53 +0800
Subject: [PATCH] Enable nullable annotations for
 Volo.Abp.EntityFrameworkCore.* projects

---
 .../Volo.Abp.EntityFrameworkCore.MySQL.csproj             | 2 ++
 .../AbpDbContextConfigurationContextMySQLExtensions.cs    | 2 +-
 .../AbpDbContextOptionsMySQLExtensions.cs                 | 4 ++--
 .../Volo.Abp.EntityFrameworkCore.Oracle.Devart.csproj     | 2 ++
 ...DbContextConfigurationContextOracleDevartExtensions.cs | 2 +-
 .../AbpDbContextOptionsOracleDevartExtensions.cs          | 4 ++--
 .../Volo.Abp.EntityFrameworkCore.Oracle.csproj            | 2 ++
 .../AbpDbContextConfigurationContextOracleExtensions.cs   | 2 +-
 .../AbpDbContextOptionsOracleExtensions.cs                | 4 ++--
 .../Volo.Abp.EntityFrameworkCore.PostgreSql.csproj        | 2 ++
 ...bpDbContextConfigurationContextPostgreSqlExtensions.cs | 4 ++--
 .../AbpDbContextOptionsPostgreSqlExtensions.cs            | 8 ++++----
 .../ConnectionStrings/NpgsqlConnectionStringChecker.cs    | 2 +-
 .../Volo.Abp.EntityFrameworkCore.SqlServer.csproj         | 2 ++
 ...AbpDbContextConfigurationContextSqlServerExtensions.cs | 2 +-
 .../AbpDbContextOptionsSqlServerExtensions.cs             | 4 ++--
 .../Volo.Abp.EntityFrameworkCore.Sqlite.csproj            | 2 ++
 .../AbpDbContextConfigurationContextSqliteExtensions.cs   | 4 ++--
 .../AbpDbContextOptionsSqliteExtensions.cs                | 4 ++--
 19 files changed, 35 insertions(+), 23 deletions(-)

diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo.Abp.EntityFrameworkCore.MySQL.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo.Abp.EntityFrameworkCore.MySQL.csproj
index b19feda6c3..d470ed692e 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo.Abp.EntityFrameworkCore.MySQL.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo.Abp.EntityFrameworkCore.MySQL.csproj
@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.EntityFrameworkCore.MySQL</AssemblyName>
     <PackageId>Volo.Abp.EntityFrameworkCore.MySQL</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextMySQLExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextMySQLExtensions.cs
index 596062d533..07381983ca 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextMySQLExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextMySQLExtensions.cs
@@ -10,7 +10,7 @@ public static class AbpDbContextConfigurationContextMySQLExtensions
 {
     public static DbContextOptionsBuilder UseMySQL(
        [NotNull] this AbpDbContextConfigurationContext context,
-       [CanBeNull] Action<MySqlDbContextOptionsBuilder> mySQLOptionsAction = null)
+       Action<MySqlDbContextOptionsBuilder>? mySQLOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsMySQLExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsMySQLExtensions.cs
index 247e96cee7..baf8c53a14 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsMySQLExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsMySQLExtensions.cs
@@ -8,7 +8,7 @@ public static class AbpDbContextOptionsMySQLExtensions
 {
     public static void UseMySQL(
             [NotNull] this AbpDbContextOptions options,
-            [CanBeNull] Action<MySqlDbContextOptionsBuilder> mySQLOptionsAction = null)
+            Action<MySqlDbContextOptionsBuilder>? mySQLOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -18,7 +18,7 @@ public static class AbpDbContextOptionsMySQLExtensions
 
     public static void UseMySQL<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<MySqlDbContextOptionsBuilder> mySQLOptionsAction = null)
+        Action<MySqlDbContextOptionsBuilder>? mySQLOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo.Abp.EntityFrameworkCore.Oracle.Devart.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo.Abp.EntityFrameworkCore.Oracle.Devart.csproj
index 2ead0da1f3..dcd5fb1788 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo.Abp.EntityFrameworkCore.Oracle.Devart.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo.Abp.EntityFrameworkCore.Oracle.Devart.csproj
@@ -5,6 +5,8 @@
 
     <PropertyGroup>
         <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <WarningsAsErrors>Nullable</WarningsAsErrors>
         <AssemblyName>Volo.Abp.EntityFrameworkCore.Oracle.Devart</AssemblyName>
         <PackageId>Volo.Abp.EntityFrameworkCore.Oracle.Devart</PackageId>
         <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleDevartExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleDevartExtensions.cs
index a672a280ee..e2138dd7d1 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleDevartExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleDevartExtensions.cs
@@ -10,7 +10,7 @@ public static class AbpDbContextConfigurationContextOracleDevartExtensions
 {
     public static DbContextOptionsBuilder UseOracle(
        [NotNull] this AbpDbContextConfigurationContext context,
-       [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null,
+       Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null,
        bool useExistingConnectionIfAvailable = false)
     {
         if (useExistingConnectionIfAvailable && context.ExistingConnection != null)
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleDevartExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleDevartExtensions.cs
index 12f5bc0437..650d222663 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleDevartExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleDevartExtensions.cs
@@ -8,7 +8,7 @@ public static class AbpDbContextOptionsOracleDevartExtensions
 {
     public static void UseOracle(
             [NotNull] this AbpDbContextOptions options,
-            [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null,
+            Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null,
             bool useExistingConnectionIfAvailable = false)
     {
         options.Configure(context =>
@@ -19,7 +19,7 @@ public static class AbpDbContextOptionsOracleDevartExtensions
 
     public static void UseOracle<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null,
+        Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null,
         bool useExistingConnectionIfAvailable = false)
         where TDbContext : AbpDbContext<TDbContext>
     {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
index 187c6a1d9f..3ce2f5ff25 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
@@ -5,6 +5,8 @@
 
     <PropertyGroup>
         <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <WarningsAsErrors>Nullable</WarningsAsErrors>
         <AssemblyName>Volo.Abp.EntityFrameworkCore.Oracle</AssemblyName>
         <PackageId>Volo.Abp.EntityFrameworkCore.Oracle</PackageId>
         <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
index 9b9d3b2916..39f3a5b86f 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
@@ -10,7 +10,7 @@ public static class AbpDbContextConfigurationContextOracleExtensions
 {
     public static DbContextOptionsBuilder UseOracle(
        [NotNull] this AbpDbContextConfigurationContext context,
-       [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+       Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
index cc0dc28699..8458dd6d4e 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
@@ -8,7 +8,7 @@ public static class AbpDbContextOptionsOracleExtensions
 {
     public static void UseOracle(
             [NotNull] this AbpDbContextOptions options,
-            [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+            Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -18,7 +18,7 @@ public static class AbpDbContextOptionsOracleExtensions
 
     public static void UseOracle<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+        Action<OracleDbContextOptionsBuilder>? oracleOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo.Abp.EntityFrameworkCore.PostgreSql.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo.Abp.EntityFrameworkCore.PostgreSql.csproj
index 67f55beeb4..04da1dd18a 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo.Abp.EntityFrameworkCore.PostgreSql.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo.Abp.EntityFrameworkCore.PostgreSql.csproj
@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.EntityFrameworkCore.PostgreSql</AssemblyName>
     <PackageId>Volo.Abp.EntityFrameworkCore.PostgreSql</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextPostgreSqlExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextPostgreSqlExtensions.cs
index 7e13fb01a2..918c0629c1 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextPostgreSqlExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextPostgreSqlExtensions.cs
@@ -11,14 +11,14 @@ public static class AbpDbContextConfigurationContextPostgreSqlExtensions
     [Obsolete("Use 'UseNpgsql(...)' method instead. This will be removed in future versions.")]
     public static DbContextOptionsBuilder UsePostgreSql(
         [NotNull] this AbpDbContextConfigurationContext context,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
     {
         return context.UseNpgsql(postgreSqlOptionsAction);
     }
 
     public static DbContextOptionsBuilder UseNpgsql(
         [NotNull] this AbpDbContextConfigurationContext context,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsPostgreSqlExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsPostgreSqlExtensions.cs
index bdea54efab..2a52c5de56 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsPostgreSqlExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsPostgreSqlExtensions.cs
@@ -9,7 +9,7 @@ public static class AbpDbContextOptionsPostgreSqlExtensions
     [Obsolete("Use 'UseNpgsql(...)' method instead. This will be removed in future versions.")]
     public static void UsePostgreSql(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -20,7 +20,7 @@ public static class AbpDbContextOptionsPostgreSqlExtensions
     [Obsolete("Use 'UseNpgsql(...)' method instead. This will be removed in future versions.")]
     public static void UsePostgreSql<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>
@@ -31,7 +31,7 @@ public static class AbpDbContextOptionsPostgreSqlExtensions
 
     public static void UseNpgsql(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -41,7 +41,7 @@ public static class AbpDbContextOptionsPostgreSqlExtensions
 
     public static void UseNpgsql<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<NpgsqlDbContextOptionsBuilder> postgreSqlOptionsAction = null)
+        Action<NpgsqlDbContextOptionsBuilder>? postgreSqlOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
index f3ab83eb55..56e47aa2d4 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
@@ -25,7 +25,7 @@ public class NpgsqlConnectionStringChecker : IConnectionStringChecker, ITransien
             await using var conn = new NpgsqlConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
-            await conn.ChangeDatabaseAsync(oldDatabaseName);
+            await conn.ChangeDatabaseAsync(oldDatabaseName!);
             result.DatabaseExists = true;
 
             await conn.CloseAsync();
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo.Abp.EntityFrameworkCore.SqlServer.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo.Abp.EntityFrameworkCore.SqlServer.csproj
index f655b66814..0fb7ee0c61 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo.Abp.EntityFrameworkCore.SqlServer.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo.Abp.EntityFrameworkCore.SqlServer.csproj
@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.EntityFrameworkCore.SqlServer</AssemblyName>
     <PackageId>Volo.Abp.EntityFrameworkCore.SqlServer</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqlServerExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqlServerExtensions.cs
index 76476423bb..95ea2ebd8b 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqlServerExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqlServerExtensions.cs
@@ -10,7 +10,7 @@ public static class AbpDbContextConfigurationContextSqlServerExtensions
 {
     public static DbContextOptionsBuilder UseSqlServer(
         [NotNull] this AbpDbContextConfigurationContext context,
-        [CanBeNull] Action<SqlServerDbContextOptionsBuilder> sqlServerOptionsAction = null)
+        Action<SqlServerDbContextOptionsBuilder>? sqlServerOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqlServerExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqlServerExtensions.cs
index 30bf419d5e..8981d8f0c4 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqlServerExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqlServerExtensions.cs
@@ -8,7 +8,7 @@ public static class AbpDbContextOptionsSqlServerExtensions
 {
     public static void UseSqlServer(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<SqlServerDbContextOptionsBuilder> sqlServerOptionsAction = null)
+        Action<SqlServerDbContextOptionsBuilder>? sqlServerOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -18,7 +18,7 @@ public static class AbpDbContextOptionsSqlServerExtensions
 
     public static void UseSqlServer<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<SqlServerDbContextOptionsBuilder> sqlServerOptionsAction = null)
+        Action<SqlServerDbContextOptionsBuilder>? sqlServerOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo.Abp.EntityFrameworkCore.Sqlite.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo.Abp.EntityFrameworkCore.Sqlite.csproj
index 002b876343..e57c897169 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo.Abp.EntityFrameworkCore.Sqlite.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo.Abp.EntityFrameworkCore.Sqlite.csproj
@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.EntityFrameworkCore.Sqlite</AssemblyName>
     <PackageId>Volo.Abp.EntityFrameworkCore.Sqlite</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqliteExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqliteExtensions.cs
index 6dea2a336b..a4e3b60ec9 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqliteExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextSqliteExtensions.cs
@@ -11,7 +11,7 @@ public static class AbpDbContextConfigurationContextSqliteExtensions
 {
     public static DbContextOptionsBuilder UseSqlite(
         [NotNull] this AbpDbContextConfigurationContext context,
-        [CanBeNull] Action<SqliteDbContextOptionsBuilder> sqliteOptionsAction = null)
+        Action<SqliteDbContextOptionsBuilder>? sqliteOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
@@ -34,7 +34,7 @@ public static class AbpDbContextConfigurationContextSqliteExtensions
     public static DbContextOptionsBuilder UseSqlite(
         [NotNull] this AbpDbContextConfigurationContext context,
         DbConnection connection,
-        [CanBeNull] Action<SqliteDbContextOptionsBuilder> sqliteOptionsAction = null)
+        Action<SqliteDbContextOptionsBuilder>? sqliteOptionsAction = null)
     {
         if (context.ExistingConnection != null)
         {
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqliteExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqliteExtensions.cs
index aaf39cbde5..c3f24a318c 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqliteExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsSqliteExtensions.cs
@@ -8,7 +8,7 @@ public static class AbpDbContextOptionsSqliteExtensions
 {
     public static void UseSqlite(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<SqliteDbContextOptionsBuilder> sqliteOptionsAction = null)
+        Action<SqliteDbContextOptionsBuilder>? sqliteOptionsAction = null)
     {
         options.Configure(context =>
         {
@@ -18,7 +18,7 @@ public static class AbpDbContextOptionsSqliteExtensions
 
     public static void UseSqlite<TDbContext>(
         [NotNull] this AbpDbContextOptions options,
-        [CanBeNull] Action<SqliteDbContextOptionsBuilder> sqliteOptionsAction = null)
+        Action<SqliteDbContextOptionsBuilder>? sqliteOptionsAction = null)
         where TDbContext : AbpDbContext<TDbContext>
     {
         options.Configure<TDbContext>(context =>