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# NpgsqlParameterCollection Class

Represents a collection of parameters relevant to a NpgsqlCommand as well as their respective mappings to columns in a DataSet. This class cannot be inherited.

For a list of all members of this type, see NpgsqlParameterCollection Members.

System.Object
System.MarshalByRefObject
System.Data.Common.DbParameterCollection
Npgsql.NpgsqlParameterCollection

[Visual Basic]
NotInheritable Public Class NpgsqlParameterCollection
Inherits DbParameterCollection
[C#]
public sealed class NpgsqlParameterCollection : DbParameterCollection

#### Thread Safety

Public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.

#### Requirements

Namespace: Npgsql

Assembly: Npgsql (in Npgsql.dll)

#### See Also

NpgsqlParameterCollection Members | Npgsql Namespace