Sets the data source for the specified main document merge field to an object. The main document is the part of the document that is not within a repeat block.
valueAn object to use as a data source. WordWriter will insert this value in the specified merge field.
nameThe name of the the merge field at which to insert the value.
ArgumentNullExceptionSave will throw this exception if
null (C#) or
Nothing (VB.NET) is passed to the method.