From bed9a205d537de52167794f036353438fa31d3a2 Mon Sep 17 00:00:00 2001
From: Paul Welter <pwelter@loresoft.com>
Date: Sun, 18 Aug 2024 21:56:36 -0500
Subject: [PATCH] add forceReload option

---
 samples/Sample.Core/Pages/DataGrid/Examples/Banks.razor | 2 ++
 src/LoreSoft.Blazor.Controls/Data/DataComponentBase.cs  | 6 +++++-
 src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs     | 4 ++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/samples/Sample.Core/Pages/DataGrid/Examples/Banks.razor b/samples/Sample.Core/Pages/DataGrid/Examples/Banks.razor
index 2225174..cc3f92c 100644
--- a/samples/Sample.Core/Pages/DataGrid/Examples/Banks.razor
+++ b/samples/Sample.Core/Pages/DataGrid/Examples/Banks.razor
@@ -5,6 +5,8 @@
 
 <h3>Banks</h3>
 
+<button class="btn btn-secondary" @onclick="@(() => DataGrid.RefreshAsync(forceReload: true))">Reload</button>
+
 <DataGrid DataLoader="LoadData" class="table table-hover" @ref="DataGrid" RowAttributes="RowAttributes" Filterable="true" Groupable="true">
     <DataColumns>
         <DataColumn TItem="Bank" Property="p => p.BankName" Grouping="true" SortIndex="0" />
diff --git a/src/LoreSoft.Blazor.Controls/Data/DataComponentBase.cs b/src/LoreSoft.Blazor.Controls/Data/DataComponentBase.cs
index 3e2452c..8692043 100644
--- a/src/LoreSoft.Blazor.Controls/Data/DataComponentBase.cs
+++ b/src/LoreSoft.Blazor.Controls/Data/DataComponentBase.cs
@@ -67,12 +67,16 @@ public bool IsLoading
     protected Exception DataError { get; private set; }
 
 
-    public virtual async Task RefreshAsync(bool resetPager = false)
+    public virtual async Task RefreshAsync(bool resetPager = false, bool forceReload = false)
     {
         // reset page
         if (resetPager)
             Pager.Reset();
 
+        // clear cached data to force data loader to re-run
+        if (forceReload && DataLoader != null)
+            _data = null;
+
         await RefreshCoreAsync();
     }
 
diff --git a/src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs b/src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs
index 1d86de3..3bfb5c5 100644
--- a/src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs
+++ b/src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs
@@ -138,13 +138,13 @@ public async Task ApplyFilters(IEnumerable<QueryRule> rules, bool replace = fals
     }
 
 
-    public override async Task RefreshAsync(bool resetPager = false)
+    public override async Task RefreshAsync(bool resetPager = false, bool forceReload = false)
     {
         // clear row flags on refresh
         _expandedItems.Clear();
         SetSelectedItems(new List<TItem>());
 
-        await base.RefreshAsync(resetPager);
+        await base.RefreshAsync(resetPager, forceReload);
     }