Update

Author: hq969

MainWindow.xaml.cs

@@ -0,0 +1,29 @@
+using System.Windows;
+using ProBizERP.Views;
+
+namespace ProBizERP
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            MainContent.Content = new InventoryView();
+        }
+
+        private void InventoryBtn_Click(object sender, RoutedEventArgs e)
+        {
+            MainContent.Content = new InventoryView();
+        }
+
+        private void SalesBtn_Click(object sender, RoutedEventArgs e)
+        {
+            MainContent.Content = new SalesView();
+        }
+
+        private void ReportsBtn_Click(object sender, RoutedEventArgs e)
+        {
+            MainContent.Content = new ReportView();
+        }
+    }
+}