OpenXmlPackage.DeletePart(DataPart) Method    
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Deletes the specified DataPart from the document package.
public bool DeletePart(DocumentFormat.OpenXml.Packaging.DataPart dataPart);override this.DeletePart : DocumentFormat.OpenXml.Packaging.DataPart -> boolPublic Function DeletePart (dataPart As DataPart) As BooleanParameters
Returns
Returns true if the part is successfully removed; otherwise returns false. This method also returns false if the part was not found or the parameter is null.
Exceptions
Thrown when dataPart is referenced by another part in the document package.