Revert "refactor: 更改变量可见性"

This reverts commit 0c234b2.

Author: ArgoZhang

src/BootstrapBlazor/Components/Table/Table.razor.Edit.cs

@@ -484,7 +484,7 @@ protected async Task QueryData(bool triggerByPagination = false)
         else
         {
             ResetSelectedRows(Items);
-            _rowsCache = null;
+            RowsCache = null;
         }
         return;
 
@@ -513,7 +513,7 @@ async Task OnQuery(QueryPageOptions queryOption)
             }
 
             // 更新数据后清除缓存防止新数据不显示
-            _rowsCache = null;
+            RowsCache = null;
             return;
 
             void ProcessData()

src/BootstrapBlazor/Components/Table/Table.razor.Toolbar.cs

@@ -648,7 +648,7 @@ protected async Task<bool> SaveModelAsync(EditContext context, ItemChangedType c
         if (DynamicContext != null)
         {
             await DynamicContext.SetValue(context.Model);
-            _rowsCache = null;
+            RowsCache = null;
             valid = true;
         }
         else
@@ -1095,7 +1095,7 @@ private void ResetDynamicContext()
 
     private void QueryDynamicItems(QueryPageOptions queryOption, IDynamicObjectContext? context)
     {
-        _rowsCache = null;
+        RowsCache = null;
         if (context != null)
         {
             var items = context.GetItems();

src/BootstrapBlazor/Components/Table/Table.razor.TreeNode.cs

@@ -106,7 +106,7 @@ protected Func<Task> ToggleTreeRow(TItem item) => async () =>
                 IsLoadChildren = false;
 
                 // 清除缓存
-                _rowsCache = null;
+                RowsCache = null;
 
                 // 更新 UI
                 StateHasChanged();

src/BootstrapBlazor/Components/Table/Table.razor.cs

@@ -935,7 +935,7 @@ protected override void OnParametersSet()
             IsPagination = false;
         }
 
-        _rowsCache = null;
+        RowsCache = null;
 
         if (IsExcel)
         {
@@ -1273,17 +1273,21 @@ protected async Task LoopQueryAsync()
     /// </summary>
     private IEnumerable<TItem> QueryItems { get; set; } = [];
 
-    private List<TItem>? _rowsCache;
+    [NotNull]
+    private List<TItem>? RowsCache { get; set; }
 
     /// <summary>
     /// 获得 当前表格所有 Rows 集合
     /// </summary>
-    private List<TItem> Rows
+    public List<TItem> Rows
     {
         get
         {
-            _rowsCache ??= IsTree ? TreeRows.GetAllItems() : [.. (Items ?? QueryItems)];
-            return _rowsCache;
+            // https://gitee.com/LongbowEnterprise/BootstrapBlazor/issues/I5JG5D
+            // 如果 QueryItems 无默认值
+            // 页面 OnInitializedAsync 二刷再 OnAfterRender 过程中导致 QueryItems 变量为空 ToList 报错
+            RowsCache ??= IsTree ? TreeRows.GetAllItems() : [.. (Items ?? QueryItems)];
+            return RowsCache;
         }
     }