asp.net mvc - How to check facebook profile url exists on facebook or not in aspnet mvc 4 c# -

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i have used code return 200 status code in case of invalid facebook url

i have validate 4 social media url twitter ,facebook, linkedin , xing

httpwebrequest req = (httpwebrequest)webrequest.create(url); req.allowautoredirect = false; httpwebresponse res = (httpwebresponse)req.getresponse(); if (res.statuscode == httpstatuscode.ok || res.statuscode == httpstatuscode.found)     return true; else     return false;


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