Standard Code in NWDS vanishes

Hi,
I am using NWDS 2.0.13 which is downloaded from Service Market Place recently.When I do the UI designing and press "Save All MetaData" all the standard code which is generated by the NWDS in my implemetation tabs gets vanishes.
Can anybody says what might be the problem is?
Regards,
Guru

Hi Guru.
You may be overwriting the code generated by the developer, i did have the same problem and was by i was writing over the code generated by the developer studio.
Regards.
Gregory.

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