We could give you several ideas, but I doubt any could really helop you in this extent. An ERP is
a huuge piece of code, not quite a weekend happy coding initiative. The really big ones (SAP for example) are developed by many people over many years, and millions of dollars are invested in them. So first of all you will have to specify the extent of your ERP (start on the
wikipedia page[
^]).
But until thank, you could look around here:
http://xerpdotnet.codeplex.com/[
^]
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