diff --git a/PagingListView/PagingListView/PagingListView.Android/ListViewSample.Android.csproj b/PagingListView/PagingListView/PagingListView.Android/ListViewSample.Android.csproj
index b4a468a..f7f7bdb 100644
--- a/PagingListView/PagingListView/PagingListView.Android/ListViewSample.Android.csproj
+++ b/PagingListView/PagingListView/PagingListView.Android/ListViewSample.Android.csproj
@@ -16,7 +16,7 @@
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
@@ -50,15 +50,15 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.SfDataGrid">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfListView">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfNumericTextBox">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="4.1.0.581479" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="MainActivity.cs" />
diff --git a/PagingListView/PagingListView/PagingListView.Android/Properties/AndroidManifest.xml b/PagingListView/PagingListView/PagingListView.Android/Properties/AndroidManifest.xml
index 8a0bd84..7b72fdd 100644
--- a/PagingListView/PagingListView/PagingListView.Android/Properties/AndroidManifest.xml
+++ b/PagingListView/PagingListView/PagingListView.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.companyname.ListViewSample">
-    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="27" />
-    <application android:label="ListViewSample.Android"></application>
-</manifest>
+	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="28" />
+	<application android:label="ListViewSample.Android"></application>
+</manifest>
\ No newline at end of file
diff --git a/PagingListView/PagingListView/PagingListView.UWP/ListViewSample.UWP.csproj b/PagingListView/PagingListView/PagingListView.UWP/ListViewSample.UWP.csproj
index 794b339..a78ba45 100644
--- a/PagingListView/PagingListView/PagingListView.UWP/ListViewSample.UWP.csproj
+++ b/PagingListView/PagingListView/PagingListView.UWP/ListViewSample.UWP.csproj
@@ -11,8 +11,8 @@
     <AssemblyName>ListViewSample.UWP</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.16299.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.16299.0</TargetPlatformMinVersion>
+    <TargetPlatformVersion>10.0.17763.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <EnableDotNetNativeCompatibleProfile>true</EnableDotNetNativeCompatibleProfile>
     <FileAlignment>512</FileAlignment>
@@ -144,15 +144,15 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.SfDataGrid">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfListView">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfNumericTextBox">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="4.1.0.581479" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.1.5" />
   </ItemGroup>
   <ItemGroup>
diff --git a/PagingListView/PagingListView/PagingListView.iOS/AppDelegate.cs b/PagingListView/PagingListView/PagingListView.iOS/AppDelegate.cs
index b467cb7..04a0185 100644
--- a/PagingListView/PagingListView/PagingListView.iOS/AppDelegate.cs
+++ b/PagingListView/PagingListView/PagingListView.iOS/AppDelegate.cs
@@ -28,6 +28,7 @@ public override bool FinishedLaunching(UIApplication app, NSDictionary options)
             global::Xamarin.Forms.Forms.Init();
             new SfNumericTextBoxRenderer();
             SfListViewRenderer.Init();
+            SfDataGridRenderer.Init();
             LoadApplication(new App());
 
             return base.FinishedLaunching(app, options);
diff --git a/PagingListView/PagingListView/PagingListView.iOS/ListViewSample.iOS.csproj b/PagingListView/PagingListView/PagingListView.iOS/ListViewSample.iOS.csproj
index cc799ec..637b6b2 100644
--- a/PagingListView/PagingListView/PagingListView.iOS/ListViewSample.iOS.csproj
+++ b/PagingListView/PagingListView/PagingListView.iOS/ListViewSample.iOS.csproj
@@ -149,15 +149,15 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.SfDataGrid">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfListView">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfNumericTextBox">
-      <Version>17.2.0.35</Version>
+      <Version>18.4.0.35</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="4.1.0.581479" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\PagingListView\ListViewSample.csproj">
diff --git a/PagingListView/PagingListView/PagingListView/Helper/Behaviors.cs b/PagingListView/PagingListView/PagingListView/Helper/Behaviors.cs
index da051d0..8646800 100644
--- a/PagingListView/PagingListView/PagingListView/Helper/Behaviors.cs
+++ b/PagingListView/PagingListView/PagingListView/Helper/Behaviors.cs
@@ -40,6 +40,7 @@ private void DataPager_OnDemandLoading(object sender, OnDemandLoadingEventArgs e
 
         protected override void OnDetachingFrom(ContentPage bindable)
         {
+            dataPager.OnDemandLoading -= DataPager_OnDemandLoading;
             listView = null;
             PagingViewModel = null;
             dataPager = null;
diff --git a/PagingListView/PagingListView/PagingListView/ListViewSample.csproj b/PagingListView/PagingListView/PagingListView/ListViewSample.csproj
index ed207eb..e56c880 100644
--- a/PagingListView/PagingListView/PagingListView/ListViewSample.csproj
+++ b/PagingListView/PagingListView/PagingListView/ListViewSample.csproj
@@ -60,10 +60,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Xamarin.SfDataGrid" Version="17.2.0.35" />
-    <PackageReference Include="Syncfusion.Xamarin.SfListView" Version="17.2.0.35" />
-    <PackageReference Include="Syncfusion.Xamarin.SfNumericTextBox" Version="17.2.0.35" />
-    <PackageReference Include="Xamarin.Forms" Version="4.1.0.581479" />
+    <PackageReference Include="Syncfusion.Xamarin.SfDataGrid" Version="18.4.0.35" />
+    <PackageReference Include="Syncfusion.Xamarin.SfListView" Version="18.4.0.35" />
+    <PackageReference Include="Syncfusion.Xamarin.SfNumericTextBox" Version="18.4.0.35" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
 
   <ItemGroup>