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… read me file
SyncfusionExamples · Nov 13, 2024 · 4cd13b1 · 4cd13b1
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diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# How to synchronize crosshair in multiple Flutter SfCartesianChart
+# How to synchronize crosshair in multiple Flutter SfCartesianChart?
 
 This repository contains a sample to synchronize crosshair in multiple cartesian charts on a [Syncfusion Flutter Chart](https://help.syncfusion.com/flutter/cartesian-charts/getting-started) widget.
 
@@ -7,7 +7,7 @@ Please refer the KB through this [link](https://support.syncfusion.com/agent/kb/
 ## Syncfusion controls:
 
 This project used the following Syncfusion widget(s):
-* [SfCircularChart](https://www.syncfusion.com/flutter-widgets/flutter-charts)
+* [SfCartesianChart](https://www.syncfusion.com/flutter-widgets/flutter-charts)
 
 ## Supported platforms
 

diff --git a/lib/main.dart b/lib/main.dart
@@ -93,10 +93,6 @@ class FirstChartState extends State<FirstChart> {
   void initState() {
     super.initState();
     _chartData = _getChartData();
-    _crosshair1 = CrosshairBehavior(
-      enable: true,
-      activationMode: ActivationMode.singleTap,
-    );
   }
 
   void show(Offset position) {
@@ -165,10 +161,6 @@ class SecondChartState extends State<SecondChart> {
   void initState() {
     super.initState();
     _chartData = _getChartData();
-    _crosshair2 = CrosshairBehavior(
-      enable: true,
-      activationMode: ActivationMode.singleTap,
-    );
   }
 
   void show(Offset position) {
@@ -212,6 +204,7 @@ class SecondChartState extends State<SecondChart> {
 
   @override
   void dispose() {
+    _chartData!.clear();
     _secondChartController = null;
     super.dispose();
   }