- 增加 Repository/DbContext SaveMany 方法实现一对多，子数据的完整保存；

- 调整 SaveManyToMany 方法名为 SaveMany；

FreeSql.DbContext/DbContext/DbContext.cs

@@ -158,14 +158,18 @@ namespace FreeSql
             this.Set<TEntity>().AddOrUpdate(data);
         }
         /// <summary>
-        /// 保存实体的指定 ManyToMany 导航属性
+        /// 保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+        /// 场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+        /// 例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+        /// 当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+        /// 当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
         /// </summary>
         /// <param name="data">实体对象</param>
         /// <param name="propertyName">属性名</param>
-        public void SaveManyToMany<TEntity>(TEntity data, string propertyName) where TEntity : class
+        public void SaveMany<TEntity>(TEntity data, string propertyName) where TEntity : class
         {
             CheckEntityTypeOrThrow(typeof(TEntity));
-            this.Set<TEntity>().SaveManyToMany(data, propertyName);
+            this.Set<TEntity>().SaveMany(data, propertyName);
         }
 
         /// <summary>
@@ -212,10 +216,10 @@ namespace FreeSql
             CheckEntityTypeOrThrow(typeof(TEntity));
             return this.Set<TEntity>().AddOrUpdateAsync(data);
         }
-        public Task SaveManyToManyAsync<TEntity>(TEntity data, string propertyName) where TEntity : class
+        public Task SaveManyAsync<TEntity>(TEntity data, string propertyName) where TEntity : class
         {
             CheckEntityTypeOrThrow(typeof(TEntity));
-            return this.Set<TEntity>().SaveManyToManyAsync(data, propertyName);
+            return this.Set<TEntity>().SaveManyAsync(data, propertyName);
         }
 #endif
         #endregion

FreeSql.DbContext/DbContext/DbContextOptions.cs

@@ -9,9 +9,9 @@ namespace FreeSql
     {
 
         /// <summary>
-        /// 是否开启一对多，多对多联级保存功能<para></para>
+        /// 是否开启一对多，多对多级联保存功能<para></para>
         /// <para></para>
-        /// 【一对多】模型下， 保存时可联级保存实体的属性集合。出于使用安全考虑我们没做完整对比，只实现实体属性集合的添加或更新操作，所以不会删除实体属性集合的数据。<para></para>
+        /// 【一对多】模型下， 保存时可级联保存实体的属性集合。出于使用安全考虑我们没做完整对比，只实现实体属性集合的添加或更新操作，所以不会删除实体属性集合的数据。<para></para>
         /// 完整对比的功能使用起来太危险，试想下面的场景：<para></para>
         /// - 保存的时候，实体的属性集合是空的，如何操作？记录全部删除？<para></para>
         /// - 保存的时候，由于数据库中记录非常之多，那么只想保存子表的部分数据，或者只需要添加，如何操作？<para></para>

FreeSql.DbContext/DbSet/DbSetAsync.cs

@@ -133,22 +133,44 @@ namespace FreeSql
             }
         }
 
-        async public Task SaveManyToManyAsync(TEntity item, string propertyName)
+        async public Task SaveManyAsync(TEntity item, string propertyName)
         {
             if (item == null) return;
-            if (_table.Properties.ContainsKey(propertyName) == false) throw new KeyNotFoundException($"{_table.Type.FullName} 不存在属性 {propertyName}");
+            if (string.IsNullOrEmpty(propertyName)) return;
+            if (_table.Properties.TryGetValue(propertyName, out var prop) == false) throw new KeyNotFoundException($"{_table.Type.FullName} 不存在属性 {propertyName}");
             if (_table.ColumnsByCsIgnore.ContainsKey(propertyName)) throw new ArgumentException($"{_table.Type.FullName} 类型已设置属性 {propertyName} 忽略特性");
+
             var tref = _table.GetTableRef(propertyName, true);
-            if (tref.RefType != Internal.Model.TableRefType.ManyToMany) throw new ArgumentException($"{_table.Type.FullName} 类型的属性 {propertyName} 不是 ManyToMany 特性");
+            if (tref == null) return;
-            DbContextExecCommand();
+            switch (tref.RefType)
+            {
+                case Internal.Model.TableRefType.OneToOne:
+                case Internal.Model.TableRefType.ManyToOne:
+                    throw new ArgumentException($"{_table.Type.FullName} 类型的属性 {propertyName} 不是 OneToMany 或 ManyToMany 特性");
+            }
+
+            await DbContextExecCommandAsync();
             var oldEnable = _db.Options.EnableAddOrUpdateNavigateList;
             _db.Options.EnableAddOrUpdateNavigateList = false;
-            await AddOrUpdateNavigateListAsync(item, false, propertyName);
+            try
-            _db.Options.EnableAddOrUpdateNavigateList = oldEnable;
+            {
+                await AddOrUpdateNavigateListAsync(item, false, propertyName);
+                if (tref.RefType == Internal.Model.TableRefType.OneToMany)
+                {
+                    await DbContextExecCommandAsync();
+                    //删除没有保存的数据
+                    var propValEach = GetItemValue(item, prop) as IEnumerable;
+                    await _db.Orm.Select<object>().AsType(tref.RefEntityType).WhereDynamic(propValEach, true)
+                        .ToDelete().ExecuteAffrowsAsync();
+                }
+            }
+            finally
+            {
+                _db.Options.EnableAddOrUpdateNavigateList = oldEnable;
+            }
         }
         async Task AddOrUpdateNavigateListAsync(TEntity item, bool isAdd, string propertyName = null)
         {
-            Type itemType = null;
             Func<PropertyInfo, Task> action = async prop =>
             {
                 if (_table.ColumnsByCsIgnore.ContainsKey(prop.Name)) return;
@@ -163,26 +185,7 @@ namespace FreeSql
                         return;
                 }
 
-                object propVal = null;
+                var propValEach = GetItemValue(item, prop) as IEnumerable;
-                if (itemType == null) itemType = item.GetType();
-                if (_table.TypeLazy != null && itemType == _table.TypeLazy)
-                {
-                    var lazyField = _dicLazyIsSetField.GetOrAdd(_table.TypeLazy, tl => new ConcurrentDictionary<string, FieldInfo>()).GetOrAdd(prop.Name, propName =>
-                        _table.TypeLazy.GetField($"__lazy__{propName}", BindingFlags.GetField | BindingFlags.NonPublic | BindingFlags.Instance));
-                    if (lazyField != null)
-                    {
-                        var lazyFieldValue = (bool)lazyField.GetValue(item);
-                        if (lazyFieldValue == false) return;
-                    }
-                    propVal = prop.GetValue(item);
-                }
-                else
-                {
-                    propVal = prop.GetValue(item);
-                    if (propVal == null) return;
-                }
-
-                var propValEach = propVal as IEnumerable;
                 if (propValEach == null) return;
                 DbSet<object> refSet = GetDbSetObject(tref.RefEntityType);
                 switch (tref.RefType)

FreeSql.DbContext/DbSet/DbSetSync.cs

@@ -136,34 +136,53 @@ namespace FreeSql
             }
         }
 
-        static ConcurrentDictionary<Type, ConcurrentDictionary<string, FieldInfo>> _dicLazyIsSetField = new ConcurrentDictionary<Type, ConcurrentDictionary<string, FieldInfo>>();
         /// <summary>
-        /// 保存实体的指定 ManyToMany 导航属性
+        /// 保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+        /// 场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+        /// 例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+        /// 当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+        /// 当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
         /// </summary>
         /// <param name="item">实体对象</param>
         /// <param name="propertyName">属性名</param>
-        public void SaveManyToMany(TEntity item, string propertyName)
+        public void SaveMany(TEntity item, string propertyName)
         {
             if (item == null) return;
-            if (_table.Properties.ContainsKey(propertyName) == false) throw new KeyNotFoundException($"{_table.Type.FullName} 不存在属性 {propertyName}");
+            if (string.IsNullOrEmpty(propertyName)) return;
+            if (_table.Properties.TryGetValue(propertyName, out var prop) == false) throw new KeyNotFoundException($"{_table.Type.FullName} 不存在属性 {propertyName}");
             if (_table.ColumnsByCsIgnore.ContainsKey(propertyName)) throw new ArgumentException($"{_table.Type.FullName} 类型已设置属性 {propertyName} 忽略特性");
+
             var tref = _table.GetTableRef(propertyName, true);
-            if (tref.RefType != Internal.Model.TableRefType.ManyToMany) throw new ArgumentException($"{_table.Type.FullName} 类型的属性 {propertyName} 不是 ManyToMany 特性");
+            if (tref == null) return;
+            switch (tref.RefType)
+            {
+                case Internal.Model.TableRefType.OneToOne:
+                case Internal.Model.TableRefType.ManyToOne:
+                    throw new ArgumentException($"{_table.Type.FullName} 类型的属性 {propertyName} 不是 OneToMany 或 ManyToMany 特性");
+            }
+
             DbContextExecCommand();
             var oldEnable = _db.Options.EnableAddOrUpdateNavigateList;
             _db.Options.EnableAddOrUpdateNavigateList = false;
-            AddOrUpdateNavigateList(item, false, propertyName);
+            try
-            _db.Options.EnableAddOrUpdateNavigateList = oldEnable;
+            {
+                AddOrUpdateNavigateList(item, false, propertyName);
+                if (tref.RefType == Internal.Model.TableRefType.OneToMany)
+                {
+                    DbContextExecCommand();
+                    //删除没有保存的数据
+                    var propValEach = GetItemValue(item, prop) as IEnumerable;
+                    _db.Orm.Select<object>().AsType(tref.RefEntityType).WhereDynamic(propValEach, true)
+                        .ToDelete().ExecuteAffrows();
+                }
+            }
+            finally
+            {
+                _db.Options.EnableAddOrUpdateNavigateList = oldEnable;
+            }
         }
-        /// <summary>
-        /// 联级保存导航集合
-        /// </summary>
-        /// <param name="item">实体对象</param>
-        /// <param name="isAdd">是否为新增的实体对象</param>
-        /// <param name="propertyName">指定保存的属性</param>
         void AddOrUpdateNavigateList(TEntity item, bool isAdd, string propertyName = null)
         {
-            Type itemType = null;
             Action<PropertyInfo> action = prop =>
             {
                 if (_table.ColumnsByCsIgnore.ContainsKey(prop.Name)) return;
@@ -178,26 +197,7 @@ namespace FreeSql
                         return;
                 }
 
-                object propVal = null;
+                var propValEach = GetItemValue(item, prop) as IEnumerable;
-                if (itemType == null) itemType = item.GetType();
-                if (_table.TypeLazy != null && itemType == _table.TypeLazy)
-                {
-                    var lazyField = _dicLazyIsSetField.GetOrAdd(_table.TypeLazy, tl => new ConcurrentDictionary<string, FieldInfo>()).GetOrAdd(prop.Name, propName =>
-                        _table.TypeLazy.GetField($"__lazy__{propName}", BindingFlags.GetField | BindingFlags.NonPublic | BindingFlags.Instance));
-                    if (lazyField != null)
-                    {
-                        var lazyFieldValue = (bool)lazyField.GetValue(item);
-                        if (lazyFieldValue == false) return;
-                    }
-                    propVal = prop.GetValue(item, null);
-                }
-                else
-                {
-                    propVal = prop.GetValue(item, null);
-                    if (propVal == null) return;
-                }
-
-                var propValEach = propVal as IEnumerable;
                 if (propValEach == null) return;
                 DbSet<object> refSet = GetDbSetObject(tref.RefEntityType);
                 switch (tref.RefType)
@@ -313,6 +313,29 @@ namespace FreeSql
             else if (_table.Properties.TryGetValue(propertyName, out var prop))
                 action(prop);
         }
+        static ConcurrentDictionary<Type, ConcurrentDictionary<string, FieldInfo>> _dicLazyIsSetField = new ConcurrentDictionary<Type, ConcurrentDictionary<string, FieldInfo>>();
+        object GetItemValue(TEntity item, PropertyInfo prop)
+        {
+            object propVal = null;
+            var itemType = item.GetType();
+            if (_table.TypeLazy != null && itemType == _table.TypeLazy)
+            {
+                var lazyField = _dicLazyIsSetField.GetOrAdd(_table.TypeLazy, tl => new ConcurrentDictionary<string, FieldInfo>()).GetOrAdd(prop.Name, propName =>
+                    _table.TypeLazy.GetField($"__lazy__{propName}", BindingFlags.GetField | BindingFlags.NonPublic | BindingFlags.Instance));
+                if (lazyField != null)
+                {
+                    var lazyFieldValue = (bool)lazyField.GetValue(item);
+                    if (lazyFieldValue == false) return null;
+                }
+                propVal = prop.GetValue(item, null);
+            }
+            else
+            {
+                propVal = prop.GetValue(item, null);
+                if (propVal == null) return null;
+            }
+            return propVal;
+        }
         #endregion
 
         #region Update

FreeSql.DbContext/FreeSql.DbContext.xml

@@ -32,9 +32,13 @@
             <typeparam name="TEntity"></typeparam>
             <param name="data"></param>
         </member>
-        <member name="M:FreeSql.DbContext.SaveManyToMany``1(``0,System.String)">
+        <member name="M:FreeSql.DbContext.SaveMany``1(``0,System.String)">
             <summary>
-            保存实体的指定 ManyToMany 导航属性
+            保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+            场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+            例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+            当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+            当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
             </summary>
             <param name="data">实体对象</param>
             <param name="propertyName">属性名</param>
@@ -65,9 +69,9 @@
         </member>
         <member name="P:FreeSql.DbContextOptions.EnableAddOrUpdateNavigateList">
             <summary>
-            是否开启一对多，多对多联级保存功能<para></para>
+            是否开启一对多，多对多级联保存功能<para></para>
             <para></para>
-            【一对多】模型下， 保存时可联级保存实体的属性集合。出于使用安全考虑我们没做完整对比，只实现实体属性集合的添加或更新操作，所以不会删除实体属性集合的数据。<para></para>
+            【一对多】模型下， 保存时可级联保存实体的属性集合。出于使用安全考虑我们没做完整对比，只实现实体属性集合的添加或更新操作，所以不会删除实体属性集合的数据。<para></para>
             完整对比的功能使用起来太危险，试想下面的场景：<para></para>
             - 保存的时候，实体的属性集合是空的，如何操作？记录全部删除？<para></para>
             - 保存的时候，由于数据库中记录非常之多，那么只想保存子表的部分数据，或者只需要添加，如何操作？<para></para>
@@ -106,34 +110,23 @@
             清空状态数据
             </summary>
         </member>
-        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
-            <summary>
-            根据 lambda 条件删除数据
-            </summary>
-            <param name="predicate"></param>
-            <returns></returns>
-        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加
             </summary>
             <param name="data"></param>
         </member>
-        <member name="M:FreeSql.DbSet`1.SaveManyToMany(`0,System.String)">
+        <member name="M:FreeSql.DbSet`1.SaveMany(`0,System.String)">
             <summary>
-            保存实体的指定 ManyToMany 导航属性
+            保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+            场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+            例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+            当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+            当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
             </summary>
             <param name="item">实体对象</param>
             <param name="propertyName">属性名</param>
         </member>
-        <member name="M:FreeSql.DbSet`1.AddOrUpdateNavigateList(`0,System.Boolean,System.String)">
-            <summary>
-            联级保存导航集合
-            </summary>
-            <param name="item">实体对象</param>
-            <param name="isAdd">是否为新增的实体对象</param>
-            <param name="propertyName">指定保存的属性</param>
-        </member>
         <member name="M:FreeSql.DbSet`1.Update(`0)">
             <summary>
             更新
@@ -240,9 +233,13 @@
             </summary>
             <param name="data"></param>
         </member>
-        <member name="M:FreeSql.IBasicRepository`1.SaveManyToMany(`0,System.String)">
+        <member name="M:FreeSql.IBasicRepository`1.SaveMany(`0,System.String)">
             <summary>
-            保存实体的指定 ManyToMany 导航属性
+            保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+            场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+            例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+            当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+            当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
             </summary>
             <param name="entity">实体对象</param>
             <param name="propertyName">属性名</param>

FreeSql.DbContext/Repository/Repository/BaseRepository.cs

@@ -130,9 +130,9 @@ namespace FreeSql
             return entity;
         }
 
-        public void SaveManyToMany(TEntity entity, string propertyName)
+        public void SaveMany(TEntity entity, string propertyName)
         {
-            _dbset.SaveManyToMany(entity, propertyName);
+            _dbset.SaveMany(entity, propertyName);
             _db.SaveChanges();
         }
     }

FreeSql.DbContext/Repository/Repository/BaseRepositoryAsync.cs

@@ -64,9 +64,9 @@ namespace FreeSql
             return entity;
         }
 
-        async public Task SaveManyToManyAsync(TEntity entity, string propertyName)
+        async public Task SaveManyAsync(TEntity entity, string propertyName)
         {
-            await _dbset.SaveManyToManyAsync(entity, propertyName);
+            await _dbset.SaveManyAsync(entity, propertyName);
             await _db.SaveChangesAsync();
         }
     }

FreeSql.DbContext/Repository/Repository/IBasicRepository.cs

@@ -30,11 +30,15 @@ namespace FreeSql
 
         TEntity InsertOrUpdate(TEntity entity);
         /// <summary>
-        /// 保存实体的指定 ManyToMany 导航属性
+        /// 保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+        /// 场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+        /// 例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+        /// 当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+        /// 当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
         /// </summary>
         /// <param name="entity">实体对象</param>
         /// <param name="propertyName">属性名</param>
-        void SaveManyToMany(TEntity entity, string propertyName);
+        void SaveMany(TEntity entity, string propertyName);
 
         IUpdate<TEntity> UpdateDiy { get; }
 
@@ -49,7 +53,7 @@ namespace FreeSql
         Task<int> UpdateAsync(TEntity entity);
         Task<int> UpdateAsync(IEnumerable<TEntity> entitys);
         Task<TEntity> InsertOrUpdateAsync(TEntity entity);
-        Task SaveManyToManyAsync(TEntity entity, string propertyName);
+        Task SaveManyAsync(TEntity entity, string propertyName);
 
         Task<int> DeleteAsync(TEntity entity);
         Task<int> DeleteAsync(IEnumerable<TEntity> entitys);

FreeSql.DbContext/readme.md

@@ -6,7 +6,7 @@
 
 ### v0.6.5
 
-- 修复 Repository 联级保存的 bug；
+- 修复 Repository 级联保存的 bug；
 - 添加工作单元开启方法；
 - 适配 .net framework 4.5、netstandard 2.0；
 
@@ -192,7 +192,7 @@ fsql.GetGuidRepository<User>().Select.FromRepository(logRepository)
 
 - 修复 AddOrUpdate/InsertOrUpdate 当主键无值时，仍然查询了一次数据库；
 - 增加 查询数据时 TrackToList 对导航集合的状态跟踪；
-- 完善 AddOrUpdateNavigateList 联级保存，忽略标记 IsIgnore 的集合属性；
+- 完善 AddOrUpdateNavigateList 级联保存，忽略标记 IsIgnore 的集合属性；
 - 完成 IFreeSql.Include、IncludeMany 功能；
 
 ### v0.5.12

FreeSql.Tests/FreeSql.Tests.DbContext/RepositoryTests.cs

@@ -361,7 +361,9 @@ namespace FreeSql.Tests
                     })
                 }
             };
+            repo.DbContextOptions.EnableAddOrUpdateNavigateList = false; //<2F>رռ<D8B1><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>湦<EFBFBD><E6B9A6>
             repo.Insert(cts);
+            repo.SaveMany(cts[0], "Childs"); //ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Childs һ<>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>
             cts[0].Name = "<22><><EFBFBD><EFBFBD>11";
             cts[0].Childs.Clear();
             cts[1].Name = "<22><><EFBFBD><EFBFBD>22";
@@ -415,9 +417,9 @@ namespace FreeSql.Tests
                 }
             };
             var repo = g.sqlite.GetRepository<Song>();
-            //repo.DbContextOptions.EnableAddOrUpdateNavigateList = false; //<2F>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>湦<EFBFBD><EFBFBD>
+            //repo.DbContextOptions.EnableAddOrUpdateNavigateList = false; //<2F>رռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>湦<EFBFBD><EFBFBD>
             repo.Insert(ss);
-            repo.SaveManyToMany(ss[0], "Tags"); //ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Tags <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>
+            //repo.SaveMany(ss[0], "Tags"); //ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Tags <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>
 
             ss[0].Name = "<22><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>.mp5";
             ss[0].Tags.Clear();

FreeSql.Tests/FreeSql.Tests.DbContext/UnitTest1.cs

@@ -98,7 +98,7 @@ namespace FreeSql.Tests
             var sql = g.mysql.Select<testenumWhere>().Where(a => a.type == testenumWhereType.Blaaa).ToSql();
             var tolist = g.mysql.Select<testenumWhere>().Where(a => a.type == testenumWhereType.Blaaa).ToList();
 
-            //֧<><D6A7> 1<>Զ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            //֧<><D6A7> 1<>Զ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 
             using (var ctx = new FreeContext(g.sqlite))
             {
@@ -127,7 +127,7 @@ namespace FreeSql.Tests
         [Fact]
         public void Update()
         {
-            //<2F><>ѯ 1<>Զ࣬<D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            //<2F><>ѯ 1<>Զ࣬<D4B6>ټ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 
             using (var ctx = new FreeContext(g.sqlite))
             {

FreeSql/FreeSql.xml

@@ -1431,11 +1431,12 @@
             <param name="exp">lambda表达式</param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ISelect`1.WhereDynamic(System.Object)">
+        <member name="M:FreeSql.ISelect`1.WhereDynamic(System.Object,System.Boolean)">
             <summary>
             传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
             </summary>
             <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
+            <param name="not">是否标识为NOT</param>
             <returns></returns>
         </member>
         <member name="M:FreeSql.ISelect`1.WhereCascade(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">

FreeSql/Interface/Curd/ISelect/ISelect1.cs

@@ -293,8 +293,9 @@ namespace FreeSql
         /// 传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
         /// </summary>
         /// <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
+        /// <param name="not">是否标识为NOT</param>
         /// <returns></returns>
-        ISelect<T1> WhereDynamic(object dywhere);
+        ISelect<T1> WhereDynamic(object dywhere, bool not = false);
 
         /// <summary>
         /// 多表查询时，该方法标记后，表达式条件将对所有表进行附加

FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs

@@ -888,12 +888,16 @@ namespace FreeSql.Internal.CommonProvider
         public IDelete<T1> ToDelete()
         {
             if (_tables[0].Table.Primarys.Any() == false) throw new Exception($"ToDelete 功能要求实体类 {_tables[0].Table.CsName} 必须有主键");
-            return _orm.Delete<T1>().Where(GetToDeleteWhere("ftb_del"));
+            var del = _orm.Delete<T1>();
+            if (_tables[0].Table.Type != typeof(T1)) del.AsType(_tables[0].Table.Type);
+            return del.Where(GetToDeleteWhere("ftb_del"));
         }
         public IUpdate<T1> ToUpdate()
         {
             if (_tables[0].Table.Primarys.Any() == false) throw new Exception($"ToUpdate 功能要求实体类 {_tables[0].Table.CsName} 必须有主键");
-            return _orm.Update<T1>().Where(GetToDeleteWhere("ftb_upd"));
+            var upd = _orm.Update<T1>();
+            if (_tables[0].Table.Type != typeof(T1)) upd.AsType(_tables[0].Table.Type);
+            return upd.Where(GetToDeleteWhere("ftb_upd"));
         }
 
         protected List<Dictionary<Type, string>> GetTableRuleUnions()

FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs

@@ -319,7 +319,9 @@ namespace FreeSql.Internal.CommonProvider
             _tables[0].Parameter = exp.Parameters[0];
             return this.InternalWhere(exp?.Body);
         }
-        public ISelect<T1> WhereDynamic(object dywhere) => this.Where(_commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere));
+        public ISelect<T1> WhereDynamic(object dywhere, bool not = false) => not == false ?
+            this.Where(_commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere)) :
+            this.Where($"not({_commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere)})");
 
         public ISelect<T1> WhereCascade(Expression<Func<T1, bool>> exp)
         {