/// <summary>
/// 判断登录名是否重复
/// pxd 2015-09-25
/// </summary>
/// <param name="tran"></param>
/// <param name="loginName"></param>
/// <returns></returns>
public bool ExistsLoginName(object tran, string loginName)
{
return(dal.ExistsLoginName(tran, loginName));
}
