With this class, you can ensure that the current process has the
required code access security permission to access the SQL Server
provider before you attempt to open a connection. If it
doesn't, a
System.Security.SecurityException will be thrown.
You can also use this class to programmatically revoke the permission
to access the SQL Server provider for the current method call.
This class pertains only to code access security (the policy of
allowed and disallowed actions you have configured using the .NET
Framework Configuration Tool or the caspol.exe
command-line utility). It has nothing to do with the authentication
process SQL Server uses. For more information, refer to the reference
for the base class
System.Data.Common.DBDataPermission . Currently,
the only code access security restriction you can apply to the SQL
Server data provider is denying permission to use blank passwords in
the connection string.
public sealed class SqlClientPermission : System.Data.Common.DBDataPermission {
// Public Constructors
public SqlClientPermission( );
public SqlClientPermission(System.Security.Permissions.PermissionState state);
public SqlClientPermission(System.Security.Permissions.PermissionState state, bool allowBlankPassword);
// Public Instance Methods
public override void Add(string connectionString, string restrictions, System.Data.KeyRestrictionBehavior behavior);
// overrides System.Data.Common.DBDataPermission
public override IPermission Copy( ); // overrides System.Data.Common.DBDataPermission
}
System.Security.CodeAccessPermission(System.Security.IPermission, System.Security.ISecurityEncodable
, System.Security.IStackWalk)