add template

src/app/demo/view/formlayoutdemo.component.ts

@@ -0,0 +1,15 @@
+import {Component} from '@angular/core';
+
+@Component({
+    templateUrl: './formlayoutdemo.component.html'
+})
+export class FormLayoutDemoComponent {
+
+    selectedState:any;
+    
+    dropdownItems = [
+        { name: 'Option 1', code: 'Option 1' },
+        { name: 'Option 2', code: 'Option 2' },
+        { name: 'Option 3', code: 'Option 3' }
+    ];
+}