Check for existence of parameter. Throw exception if parameter does not exist.
| C# | Visual Basic | Visual C++ |
protected Reader..::.Setting ValidateParameterKey( string key )
Protected Function ValidateParameterKey ( _ key As String _ ) As Reader..::.Setting
protected: Reader..::.Setting^ ValidateParameterKey( String^ key )
- key (String)
- Parameter name
Setting if key is valid. Otherwise, throws ArgumentException.