NpgsqlParameterCollection overview
|  Count | Gets the number of NpgsqlParameter objects in the collection. | 
|  IsFixedSize | |
|  IsReadOnly | |
|  IsSynchronized | |
|  Item | Overloaded. Gets the NpgsqlParameter with the specified name. | 
|  SyncRoot | 
|  Add | Overloaded. Adds the specified NpgsqlParameter object to the NpgsqlParameterCollection. | 
|  AddRange | |
|  AddWithValue | |
|  Clear | Removes all items from the collection. | 
|  Contains | Overloaded. Gets a value indicating whether a NpgsqlParameter with the specified parameter name exists in the collection. | 
|  CopyTo | Overloaded. Copies NpgsqlParameter objects from the NpgsqlParameterCollection to the specified array. | 
|  CreateObjRef (inherited from MarshalByRefObject) | |
|  Equals (inherited from Object) | |
|  GetEnumerator | Returns an enumerator that can iterate through the collection. | 
|  GetHashCode (inherited from Object) | |
|  GetLifetimeService (inherited from MarshalByRefObject) | |
|  GetType (inherited from Object) | |
|  IndexOf | Overloaded. Gets the location of the NpgsqlParameter in the collection with a specific parameter name. | 
|  InitializeLifetimeService (inherited from MarshalByRefObject) | |
|  Insert | Overloaded. Inserts a NpgsqlParameter into the collection at the specified index. | 
|  Remove | Overloaded. Removes the specified NpgsqlParameter from the collection. | 
|  RemoveAt | Overloaded. Removes the specified NpgsqlParameter from the collection using the parameter name. | 
|  ToString (inherited from Object) | |
|  TryGetValue | Gets a value indicating whether a NpgsqlParameter with the specified parameter name exists in the collection. | 
NpgsqlParameterCollection Class | Npgsql Namespace