RouteValueDictionary.TryGetValue Method (String, Object)

 

Gets a value that indicates whether a value is associated with the specified key.

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

public bool TryGetValue(
	string key,
	out object value
)

Parameters

key
Type: System.String

The key of the value to get.

value
Type: System.Object

When this method returns, contains the value that is associated with the specified key, if the key is found; otherwise, contains the appropriate default value for the type of the value parameter that you provided as an out parameter. This parameter is passed uninitialized.

Return Value

Type: System.Boolean

true if the dictionary contains an element that has the specified key; otherwise, false.

This method combines the functionality of the ContainsKey method and the Item property.

If the key is not found, the value parameter is assigned the appropriate default value for the type, such as 0 (zero) for integer types, false for Boolean types, and null for reference types.

.NET Framework
Available since 3.5
Return to top
Show: