/// <summary>
/// 根据角色ID获取角色信息
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public Roles GetRoleByID(string id)
{
if (id == null)
{
id = string.Empty;
}
var data = from r in RoleList.AsNoTracking()
where r.RoleID == id
select r;
if (data.Count() > 0)
{
return(data.First());
}
else
{
return(null);
}
}