If you want to provide the Grid and Card toggle button in the user interface, then your HTML file must include both the Grid and Tile layout configuration in the following example:

<div id="AssetId" class="siebui-span-xs-12 siebui-span-sm-12 siebui-span-md-12 
siebui-span-lg-12 siebui-span-xl-12" data-mode="Grid">
</div>
<div class="siebui-applet-fg siebui-span-xs-12 siebui-span-sm-12 siebui-span-md-12 
siebui-span-lg-12 siebui-span-xl-12">
    <div id="AssetId" data-mode="Tile">
        <div id="#tile_1">
  <div class="siebui-span-xs-12 siebui-span-sm-12 siebui-span-md-6 
  siebui-span-lg-6 siebui-span-xl-6">
     <div class="siebui-label">
           <span id="AssetType_Lbl"  style="display: none;"></span>
			</div>
       <div class="siebui-value">
						<input id="AssetType_Ctrl" style="display: none;" type="text" 
						name="AssetType_Ctrl" aria-labelledby="AssetType_Lbl"/>
					</div>
				</div>
		<div class="siebui-span-xs-12 siebui-span-sm-12 siebui-span-md-6 
				siebui-span-lg-6 siebui-span-xl-6">
									<div class="siebui-label">
										<span id="Amount_Lbl"  style="display: none;"></span>
								</div>
								<div class="siebui-value">
												<input id="Amount_Ctrl" style="display: none;" type="text" 
											name="Amount_Ctrl" aria-labelledby="Amount_Lbl"/>
										</div>	
								</div>
					</div>
		</div>
</div>