Converts the given string to a System.Web.UI.Control.SkinID object using the specified context and culture information.
context An T:System.ComponentModel.ITypeDescriptorContext that provides a format context that represents the control being designed.culture A T:System.Globalization.CultureInfo. If null is passed, the current culture is assumed.value The string to convert.
An object that can be cast as a System.Web.UI.DataSourceControl.SkinID object, if the conversion can be made; otherwise, null.