Class NameValueCollectionExtensions

Useful extension methods for NameValueCollection.

Inheritance

Object

NameValueCollectionExtensions

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Libplanet.Common

Assembly: Libplanet.Common.dll

Syntax

public static class NameValueCollectionExtensions

Methods

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GetBoolean(NameValueCollection, String, Boolean)

Tries to get the boolean text associated with the specified name as a Boolean value from the specified name-value collection.

Supported keywords are: true, false, yes, no, on, off, t, f, y, n, 1, 0 (all case-insensitive).

Declaration

public static bool GetBoolean(this NameValueCollection collection, string name, bool defaultValue = false)

Parameters

Type	Name	Description
NameValueCollection	collection	The NameValueCollection that contains the entry to find.
String	name	The String key of the entry that contains the value to find.
Boolean	defaultValue	Returns this value if the specified key `name` is not found in the `collection`, or the associated value is not a valid boolean text. Configured as false by default.

Returns

Type	Description
Boolean	A Boolean value converted from the text value associated with the specified key `name` from the `collection`, if found; otherwise, `defaultValue`.

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GetInt32(NameValueCollection, String, Int32)

Tries to get the numeric text associated with the specified name as an Int32 value from the specified name-value collection.

Declaration

public static int GetInt32(this NameValueCollection collection, string name, int defaultValue)

Parameters

Type	Name	Description
NameValueCollection	collection	The NameValueCollection that contains the entry to find.
String	name	The String key of the entry that contains the value to find.
Int32	defaultValue	Returns this value if the specified key `name` is not found in the `collection`, or the associated value is not a numeric text or outside the range of the Int32 type.

Returns

Type	Description
Int32	An Int32 value converted from the text value associated with the specified key `name` from the `collection`, if found; otherwise, `defaultValue`.

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GetInt32(NameValueCollection, String)

Tries to get the numeric text associated with the specified name as an Int32 value from the specified name-value collection.

Declaration

public static int? GetInt32(this NameValueCollection collection, string name)

Parameters

Type	Name	Description
NameValueCollection	collection	The NameValueCollection that contains the entry to find.
String	name	The String key of the entry that contains the value to find.

Returns

Type	Description
Nullable<Int32>	An Int32 value converted from the text value associated with the specified key `name` from the `collection`, if found; otherwise, null.

Remarks

This method assumes the collection contains zero or one entry for the specified name.

Exceptions

Type	Condition
FormatException	Thrown when the value is not a numeric text.
OverflowException	Thrown when the value is outside the range of the Int32 type.

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GetUInt64(NameValueCollection, String, UInt64)

Tries to get the numeric text associated with the specified name as a UInt64 value from the specified name-value collection.

Declaration

public static ulong GetUInt64(this NameValueCollection collection, string name, ulong defaultValue)

Parameters

Type	Name	Description
NameValueCollection	collection	The NameValueCollection that contains the entry to find.
String	name	The String key of the entry that contains the value to find.
UInt64	defaultValue	Returns this value if the specified key `name` is not found in the `collection`, or the associated value is not a numeric text or outside the range of the UInt64 type.

Returns

Type	Description
UInt64	An Int32 value converted from the text value associated with the specified key `name` from the `collection`, if found; otherwise, `defaultValue`.

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GetUInt64(NameValueCollection, String)

Tries to get the numeric text associated with the specified name as a UInt64 value from the specified name-value collection.

Declaration

public static ulong? GetUInt64(this NameValueCollection collection, string name)

Parameters

Type	Name	Description
NameValueCollection	collection	The NameValueCollection that contains the entry to find.
String	name	The String key of the entry that contains the value to find.

Returns

Type	Description
Nullable<UInt64>	A UInt64 value converted from the text value associated with the specified key `name` from the `collection`, if found; otherwise, null.

Remarks

This method assumes the collection contains zero or one entry for the specified name.

Exceptions

Type	Condition
FormatException	Thrown when the value is not a numeric text.
OverflowException	Thrown when the value is outside the range of the UInt64 type.