php 表单post提交无效

大概错误是 notice : undifine.........................并且php文件url后面有参数,$_GET,$_REQUEST有值

原因....

<form action="form2.php"  ,method="post">name:<input type="text" name="uname">password:<input type="password" name="upwd"><input type="submit"></form>

看到那个 逗号没...就是原因,掩面........