Check SharePoint user in the SharePoint Group

public static bool IsMemberInGroup(string groupName)
        {
            bool isMember = false; ;

            try
            {
                isMember = SPContext.Current.Web.IsCurrentUserMemberOfGroup(SPContext.Current.Web.Groups[groupName].ID);
            }
            catch (Exception ex)
            {

            }
            return isMember;

        }