DBDataPermission 构造函数
定义
初始化 DBDataPermission 类的新实例。Initializes a new instance of a DBDataPermission class.
重载
| DBDataPermission() |
已过时。
初始化 |
| DBDataPermission(DBDataPermission) |
使用现有的 |
| DBDataPermission(DBDataPermissionAttribute) |
用指定的 |
| DBDataPermission(PermissionState) |
使用指定的 PermissionState 值初始化 |
| DBDataPermission(PermissionState, Boolean) |
已过时。
用指定的 PermissionState 值和指示是否允许空白密码的值初始化 |
DBDataPermission()
注意
DBDataPermission() has been deprecated. Use the DBDataPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202
初始化 DBDataPermission 类的新实例。Initializes a new instance of a DBDataPermission class.
protected:
DBDataPermission();
protected DBDataPermission ();
[System.Obsolete("DBDataPermission() has been deprecated. Use the DBDataPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202", true)]
protected DBDataPermission ();
Protected Sub New ()
- 属性
适用于
DBDataPermission(DBDataPermission)
使用现有的 DBDataPermission 初始化 DBDataPermission 类的新实例。Initializes a new instance of a DBDataPermission class using an existing DBDataPermission.
protected:
DBDataPermission(System::Data::Common::DBDataPermission ^ permission);
protected DBDataPermission (System.Data.Common.DBDataPermission permission);
new System.Data.Common.DBDataPermission : System.Data.Common.DBDataPermission -> System.Data.Common.DBDataPermission
Protected Sub New (permission As DBDataPermission)
参数
- permission
- DBDataPermission
用于创建新 DBDataPermission 的现有 DBDataPermission。An existing DBDataPermission used to create a new DBDataPermission.
适用于
DBDataPermission(DBDataPermissionAttribute)
用指定的 DBDataPermission 初始化 DBDataPermissionAttribute 类的新实例。Initializes a new instance of a DBDataPermission class with the specified DBDataPermissionAttribute.
protected:
DBDataPermission(System::Data::Common::DBDataPermissionAttribute ^ permissionAttribute);
protected DBDataPermission (System.Data.Common.DBDataPermissionAttribute permissionAttribute);
new System.Data.Common.DBDataPermission : System.Data.Common.DBDataPermissionAttribute -> System.Data.Common.DBDataPermission
Protected Sub New (permissionAttribute As DBDataPermissionAttribute)
参数
- permissionAttribute
- DBDataPermissionAttribute
与自定义安全特性相关的安全操作。A security action associated with a custom security attribute.
适用于
DBDataPermission(PermissionState)
使用指定的 PermissionState 值初始化 DBDataPermission 类的新实例。Initializes a new instance of a DBDataPermission class with the specified PermissionState value.
protected:
DBDataPermission(System::Security::Permissions::PermissionState state);
protected DBDataPermission (System.Security.Permissions.PermissionState state);
new System.Data.Common.DBDataPermission : System.Security.Permissions.PermissionState -> System.Data.Common.DBDataPermission
Protected Sub New (state As PermissionState)
参数
- state
- PermissionState
PermissionState 值之一。One of the PermissionState values.
适用于
DBDataPermission(PermissionState, Boolean)
注意
DBDataPermission(PermissionState state,Boolean allowBlankPassword) has been deprecated. Use the DBDataPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202
用指定的 PermissionState 值和指示是否允许空白密码的值初始化 DBDataPermission 类的新实例。Initializes a new instance of a DBDataPermission class with the specified PermissionState value, and a value indicating whether a blank password is allowed.
protected:
DBDataPermission(System::Security::Permissions::PermissionState state, bool allowBlankPassword);
public:
DBDataPermission(System::Security::Permissions::PermissionState state, bool allowBlankPassword);
protected DBDataPermission (System.Security.Permissions.PermissionState state, bool allowBlankPassword);
public DBDataPermission (System.Security.Permissions.PermissionState state, bool allowBlankPassword);
[System.Obsolete("DBDataPermission(PermissionState state,Boolean allowBlankPassword) has been deprecated. Use the DBDataPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202", true)]
protected DBDataPermission (System.Security.Permissions.PermissionState state, bool allowBlankPassword);
new System.Data.Common.DBDataPermission : System.Security.Permissions.PermissionState * bool -> System.Data.Common.DBDataPermission
[<System.Obsolete("DBDataPermission(PermissionState state,Boolean allowBlankPassword) has been deprecated. Use the DBDataPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202", true)>]
new System.Data.Common.DBDataPermission : System.Security.Permissions.PermissionState * bool -> System.Data.Common.DBDataPermission
Protected Sub New (state As PermissionState, allowBlankPassword As Boolean)
Public Sub New (state As PermissionState, allowBlankPassword As Boolean)
参数
- state
- PermissionState
PermissionState 值之一。One of the PermissionState values.
- allowBlankPassword
- Boolean
true 表示允许使用空白密码;否则为 false。true to indicate that a blank password is allowed; otherwise, false.
- 属性
注解
PermissionState枚举优先于 AllowBlankPassword 属性。The PermissionState enumeration takes precedence over the AllowBlankPassword property. 因此,如果将设置 AllowBlankPassword 为 false ,则还必须将设置 PermissionState 为, None 以防止用户使用空白密码建立连接。Therefore, if you set AllowBlankPassword to false, you must also set PermissionState to None to prevent a user from making a connection using a blank password.