Hi mahender ,
Please refer to below link which demonstrate the use of MapPoint Web Service with .NET Compact Framework
http://www.codeproject.com/netcf/CfSmartDeviceMap.asp?df=100&forumid=57087&exp=0&select=1011596
To use MapPoint you will need both MapPoint SDK and Evaluation Account.
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Sincerely,
Young Fang
Microsoft Online Community Support
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