doc: 更新示例

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/DateTimePickers.razor

@@ -5,7 +5,7 @@
 <h4>@Localizer["Description"]</h4>
 
 <DemoBlock Title="@Localizer["DateTimePickerTitle"]" Introduction="@Localizer["DateTimePickerIntro"]" Name="DateTimePicker">
-    <DateTimePicker ViewMode="DatePickerViewMode.DateTime"
+    <DateTimePicker ViewMode="DatePickerViewMode.DateTime" TimeFormat="hh\:mm"
                     Value="@DateTimePickerValue" OnValueChanged="@TimePickerValueChanged">
         <TimePickerSetting ShowClockScale="true" IsAutoSwitch="false" />
     </DateTimePicker>