Bing Map is not loading.it shows error.kindly fix this issue

Question

I'm new to windows store app.

learning by myself...using online resources...

i have load bing map sdk in windows store app and bing map basic key in my app

while debugging, it shows error...

instead of showing map...it shows red cross on the map..

kindly help me  

 

 

.xaml file..

 

 

<Page

x:Class="BingMapsIntro_WinRT_CS.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:BingMapsIntro_WinRT_CS"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

mc:Ignorable="d"

xmlns:m="using:Bing.Maps">

<Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

<m:Map Name="MyMap" Credentials="ArTIKCQoAZPp5xn4g3Gl0qpODr5vCF32QzYxaKW4m_Ir0259zOue3vyoO6JqDnm2"/>

</Grid>

</Page>