FormCollection Class

Article
2011-02-21

Contains the form value providers for the application.

Inheritance Hierarchy

System.Object
  System.Collections.Specialized.NameObjectCollectionBase
    System.Collections.Specialized.NameValueCollection
      System.Web.Mvc.FormCollection

Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)

Syntax

'Declaration
Public NotInheritable Class FormCollection _
    Inherits NameValueCollection _
    Implements IValueProvider

public sealed class FormCollection : NameValueCollection, 
    IValueProvider

public ref class FormCollection sealed : public NameValueCollection, 
    IValueProvider

The FormCollection type exposes the following members.

Constructors

	Name	Description
	FormCollection()	Initializes a new instance of the FormCollection class.
	FormCollection(NameValueCollection)	Initializes a new instance of the FormCollection class.

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Properties

	Name	Description
	AllKeys	Gets all the keys in the NameValueCollection. (Inherited from NameValueCollection.)
	Count	Gets the number of key/value pairs contained in the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	IsReadOnly	Gets or sets a value indicating whether the NameObjectCollectionBase instance is read-only. (Inherited from NameObjectCollectionBase.)
	Item[String]	Gets or sets the entry with the specified key in the NameValueCollection. (Inherited from NameValueCollection.)
	Item[Int32]	Gets the entry at the specified index of the NameValueCollection. (Inherited from NameValueCollection.)
	Keys	Gets a NameObjectCollectionBase.KeysCollection instance that contains all the keys in the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)

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Methods

	Name	Description
	Add(NameValueCollection)	Copies the entries in the specified NameValueCollection to the current NameValueCollection. (Inherited from NameValueCollection.)
	Add(String, String)	Adds an entry with the specified name and value to the NameValueCollection. (Inherited from NameValueCollection.)
	BaseAdd	Adds an entry with the specified key and value into the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseClear	Removes all entries from the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGet(String)	Gets the value of the first entry with the specified key from the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGet(Int32)	Gets the value of the entry at the specified index of the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGetAllKeys	Returns a String array that contains all the keys in the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGetAllValues()	Returns an Object array that contains all the values in the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGetAllValues(Type)	Returns an array of the specified type that contains all the values in the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseGetKey	Gets the key of the entry at the specified index of the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseHasKeys	Gets a value indicating whether the NameObjectCollectionBase instance contains entries whose keys are not null reference (Nothing in Visual Basic). (Inherited from NameObjectCollectionBase.)
	BaseRemove	Removes the entries with the specified key from the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseRemoveAt	Removes the entry at the specified index of the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseSet(String, Object)	Sets the value of the first entry with the specified key in the NameObjectCollectionBase instance, if found; otherwise, adds an entry with the specified key and value into the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	BaseSet(Int32, Object)	Sets the value of the entry at the specified index of the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	Clear	Invalidates the cached arrays and removes all entries from the NameValueCollection. (Inherited from NameValueCollection.)
	CopyTo	Copies the entire NameValueCollection to a compatible one-dimensional Array, starting at the specified index of the target array. (Inherited from NameValueCollection.)
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	Get(String)	Gets the values associated with the specified key from the NameValueCollection combined into one comma-separated list. (Inherited from NameValueCollection.)
	Get(Int32)	Gets the values at the specified index of the NameValueCollection combined into one comma-separated list. (Inherited from NameValueCollection.)
	GetEnumerator	Returns an enumerator that iterates through the NameObjectCollectionBase. (Inherited from NameObjectCollectionBase.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetKey	Gets the key at the specified index of the NameValueCollection. (Inherited from NameValueCollection.)
	GetObjectData	Implements the ISerializable interface and returns the data needed to serialize the NameObjectCollectionBase instance. (Inherited from NameObjectCollectionBase.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	GetValue	Gets the specified value provider.
	GetValues(String)	Gets the values associated with the specified key from the NameValueCollection. (Inherited from NameValueCollection.)
	GetValues(Int32)	Gets the values at the specified index of the NameValueCollection. (Inherited from NameValueCollection.)
	HasKeys	Gets a value indicating whether the NameValueCollection contains keys that are not null reference (Nothing in Visual Basic). (Inherited from NameValueCollection.)
	InvalidateCachedArrays	Resets the cached arrays of the collection to null reference (Nothing in Visual Basic). (Inherited from NameValueCollection.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	OnDeserialization	Implements the ISerializable interface and raises the deserialization event when the deserialization is complete. (Inherited from NameObjectCollectionBase.)
	Remove	Removes the entries with the specified key from the NameObjectCollectionBase instance. (Inherited from NameValueCollection.)
	Set	Sets the value of an entry in the NameValueCollection. (Inherited from NameValueCollection.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)
	ToValueProvider	Returns a dictionary that contains the value providers.

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Extension Methods

	Name	Description
	CopyTo(IDictionary<String, Object>)	Overloaded. Copies the specified collection to the specified destination. (Defined by NameValueCollectionExtensions.)
	CopyTo(IDictionary<String, Object>, Boolean)	Overloaded. Copies the specified collection to the specified destination, and optionally replaces previous entries. (Defined by NameValueCollectionExtensions.)

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Explicit Interface Implementations

	Name	Description
	ICollection.CopyTo	Copies the entire NameObjectCollectionBase to a compatible one-dimensional Array, starting at the specified index of the target array. (Inherited from NameObjectCollectionBase.)
	ICollection.IsSynchronized	Gets a value indicating whether access to the NameObjectCollectionBase object is synchronized (thread safe). (Inherited from NameObjectCollectionBase.)
	IValueProvider.ContainsPrefix	Gets a value that indicates whether the value provider contains an entry that has the specified prefix.
	IValueProvider.GetValue	Gets a value from a value provider using the specified key.
	ICollection.SyncRoot	Gets an object that can be used to synchronize access to the NameObjectCollectionBase object. (Inherited from NameObjectCollectionBase.)