What is a NameValueCollection?
What is a NameValueCollection?
NameValueCollection is used to store a collection of associated String keys and String values that can be accessed either with the key or with the index. It is very similar to C# HashTable, HashTable also stores data in Key , value format . NameValueCollection can hold multiple string values under a single key.
How do you use NameValueCollection?
NameValueCollection collection = GetCollection(); string[] values = collection. GetValues(“partiban”);…Advantage:
- We can store duplicate keys either with different values or the same value.
- Using a key we can get all the values for the single key.
- Single Key, but multiple values.
Is NameValueCollection case sensitive?
Constructors. Initializes a new instance of the NameValueCollection class that is empty, has the default initial capacity and uses the default case-insensitive hash code provider and the default case-insensitive comparer.
How do you add value to Namesvaluecollection?
Add Method (System….Overloads.
| Add(NameValueCollection) | Copies the entries in the specified NameValueCollection to the current NameValueCollection. |
|---|---|
| Add(String, String) | Adds an entry with the specified name and value to the NameValueCollection. |
What is the use of namevaluecollection?
NameValueCollection() NameValueCollection() NameValueCollection() NameValueCollection() Initializes a new instance of the NameValueCollection class that is empty, has the default initial capacity and uses the default case-insensitive hash code provider and the default case-insensitive comparer.
What is the default hash code provider for namevaluecollection?
The hash code provider dispenses hash codes for keys in the NameValueCollection. The default hash code provider is the CaseInsensitiveHashCodeProvider. The comparer determines whether two keys are equal.
What is the collection based on the nameobjectcollectionbase class?
This collection is based on the NameObjectCollectionBase class. Each element of the collection is a key/value pair. However, unlike the NameObjectCollectionBase, this class can store multiple string values under a single key. This class can be used for headers, query strings and form data.
How do I access a specific element in a collection?
This property provides the ability to access a specific element in the collection by using the following syntax: myCollection [name]. If the specified key already exists in the collection, setting this property overwrites the existing list of values with the specified value.