From 00811b5fa4d573a286d744930568d632c4e31d2f Mon Sep 17 00:00:00 2001
From: Wim Soetens <wim.soetens@uzgent.be>
Date: Tue, 7 Jul 2026 16:27:37 +0200
Subject: [PATCH] Add the seriesindex as a data object on the label. This makes
 it possible to establish a direct link between each series and its
 corresponding labels.

---
 Radzen.Blazor/RadzenSeriesDataLabels.razor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Radzen.Blazor/RadzenSeriesDataLabels.razor b/Radzen.Blazor/RadzenSeriesDataLabels.razor
index 46e2d372a..31621b46f 100644
--- a/Radzen.Blazor/RadzenSeriesDataLabels.razor
+++ b/Radzen.Blazor/RadzenSeriesDataLabels.razor
@@ -111,7 +111,7 @@
                     var position = new Point { X = x, Y = chip ? y + 1 : y };
 
                     builder.AddContent(1,
-                            @<g class="rz-series-data-label-group" @key="@($"{label.Position}-{seriesIndex}")">
+                            @<g class="rz-series-data-label-group" data-seriesindex="@seriesIndex" @key="@($"{label.Position}-{seriesIndex}")">
                                 @if (chip)
                                 {
                                     <rect class="rz-series-data-label-chip" x="@rectX.ToInvariantString()" y="@rectY.ToInvariantString()" width="@width.ToInvariantString()" height="@height.ToInvariantString()" rx="4" ry="4"></rect>