This article will discuss the differences between Windows Communication Foundation (WCF) Simple Object Access Protocol or SOAP and Representational State Transfer or REST services as a solution consideration for a web-centric application.
Concurrent validation definitions. [COLOR=blue][b]Concurrent validation is a subset of prospective validation and is conducted with the intention of ultimately distributing product manufactured during the validation study.
The most common validation is the Required validation, and for some column types a Rang validation is provided, such as Number or Currency column. Now, with SharePoint 2010, user can define a formula to validate the column; this formula cannot refer to other columns though.