Cache.Remove(String) Method

Reference

Definition

Namespace:: System.Web.Caching

Assembly:: System.Web.dll

Important

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Removes the specified item from the application's Cache object.

public:
 System::Object ^ Remove(System::String ^ key);

public object Remove(string key);

member this.Remove : string -> obj

Public Function Remove (key As String) As Object

Parameters

key: String

A String identifier for the cache item to remove.

Returns

Object

The item removed from the Cache. If the value in the key parameter is not found, returns null.

Examples

The following example creates a RemoveItemFromCache method. When this method is called, it uses the Item[] property to check whether the cache contains an object that is associated with a Key1 key value. If it does, the Remove method is called to remove the object.

public void RemoveItemFromCache(Object sender, EventArgs e) {
    if(Cache["Key1"] != null)
      Cache.Remove("Key1");
}

Public Sub RemoveItemFromCache(sender As Object, e As EventArgs)
    If (Not IsNothing(Cache("Key1"))) Then
      Cache.Remove("Key1")
    End If
End Sub

Applies to

Продукт	Версии
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

Споделяне чрез