Gets a value indicating whether a schema with the specified namespace is in the collection.
ns The namespace URI associated with the schema. For XML Schemas, this will typically be the target namespace.
true if a schema with the specified namespace is in the collection; otherwise, false.
The System.Xml.Schema.XmlSchemaCollection class is obsolete in the .NET Framework version 2.0 and has been replaced by the System.Xml.Schema.XmlSchemaSet class.