Get Profile Picture Url from User Information List Of Sharepoint

try	
	{
		string LoginName = string.Empty;
		string SiteUrl = SPContext.Current.Site.Url;
		string Username = SPContext.Current.Web.CurrentUser.LoginName;
		
        SPSite Site = new SPSite(SiteUrl);
		
		string data = string.Empty;
		using (SPWeb Web = Site.OpenWeb())
		{
			SPList List = Web.Lists["User Information List"];
			SPQuery Query = new SPQuery();
			Query.Query = "<Where><Eq><FieldRef Name = 'ID'/><Value Type='Text'>"+Username+"</Value></Eq></Where>";
			
			SPListItemCollection ItemCollection;
			ItemCollection = List.GetItems(Query);
			if (ItemCollection.Count > 0)
			{
				foreach(SPListItem ListItem in ItemCollection)
				{
					if (ListItem["Picture"] != null)
					{
						data = ListItem["Picture"].ToString();
						
					}
				}
				
			}
		}	
	}	
	catch(Exception ex)	
	{
		Context.Response.Output.Write("Error : " + ex.Message.ToString());	
	}