OleDbParameterCollection.Contains 方法

定义

确定指定的对象是否在此 OleDbParameterCollection 中。

重载

Contains(OleDbParameter)

确定指定的 OleDbParameter 是否在此 OleDbParameterCollection 中。

Contains(Object)

确定指定的 Object 是否在此 OleDbParameterCollection 中。

Contains(String)

确定指定的 String 是否在此 OleDbParameterCollection 中。

Contains(OleDbParameter)

Source:
OleDbParameterCollection.cs
Source:
OleDbParameterCollection.cs
Source:
OleDbParameterCollection.cs

确定指定的 OleDbParameter 是否在此 OleDbParameterCollection 中。

public:
 bool Contains(System::Data::OleDb::OleDbParameter ^ value);
public bool Contains (System.Data.OleDb.OleDbParameter value);
override this.Contains : System.Data.OleDb.OleDbParameter -> bool
Public Function Contains (value As OleDbParameter) As Boolean

参数

返回

如果 OleDbParameter 位于集合中,则为 true;否则为 false

另请参阅

适用于

Contains(Object)

Source:
OleDbParameterCollectionHelper.cs
Source:
OleDbParameterCollectionHelper.cs
Source:
OleDbParameterCollectionHelper.cs

确定指定的 Object 是否在此 OleDbParameterCollection 中。

public:
 override bool Contains(System::Object ^ value);
public:
 virtual bool Contains(System::Object ^ value);
public override bool Contains (object value);
public bool Contains (object value);
override this.Contains : obj -> bool
abstract member Contains : obj -> bool
override this.Contains : obj -> bool
Public Overrides Function Contains (value As Object) As Boolean
Public Function Contains (value As Object) As Boolean

参数

value
Object

Object 值。

返回

如果 OleDbParameterCollection 包含 value,则为 true;否则为 false

实现

另请参阅

适用于

Contains(String)

Source:
OleDbParameterCollection.cs
Source:
OleDbParameterCollection.cs
Source:
OleDbParameterCollection.cs

确定指定的 String 是否在此 OleDbParameterCollection 中。

public:
 override bool Contains(System::String ^ value);
public:
 virtual bool Contains(System::String ^ value);
public override bool Contains (string value);
public bool Contains (string value);
override this.Contains : string -> bool
abstract member Contains : string -> bool
override this.Contains : string -> bool
Public Overrides Function Contains (value As String) As Boolean
Public Function Contains (value As String) As Boolean

参数

value
String

String 值。

返回

如果 OleDbParameterCollection 包含该值,则为 true;否则为 false

实现

另请参阅

适用于