Simple .NET/ASP.NET PDF document editor web control SDK

When a user logs into Oracle, all default roles are enabled A default role means that the role is always enabled for the current session at login without issuing the set role statement To indicate that a role should be set by default on login, you need to issue the alter user statement with the following basic syntax: alter user_name default role <role_name> | all [except role1, role2, .. ] | none ; In the preceding command, user_name denotes the name of the user whose role we are setting as the default role_name represents the role that we wish to set as the default The all phrase indicates that all roles should be enabled as the default, except those listed in the except phrase The none phrase means that all roles are disabled by default.

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RegisterArrayDeclaration RegisterClientScriptBlock RegisterHiddenField RegisterOnSubmitStatement RegisterStartupScript

For additional security, we want our application roles to be nondefault roles for the end user accounts We do this by altering the users as follows: admin@ORA10G> -- make all roles default except the ones required admin@ORA10G> alter user db_manager1 default role all except manager_role, clerk_role; User altered The preceding statement restricts all roles available to the user db_manager1 by default, except for the roles manager_role and clerk_role In other words, these two roles are not enabled by default for the user db_manager1 We do the same to the user db_clerk1, only this time we make clerk_role the nondefault role: admin@ORA10G> alter user db_clerk1 default role all except clerk_role; User altered We will set these roles explicitly when we log in from our Java program in the upcoming section.

We generally recommend using lowercase for variable names, unless you re designing a library: let x = 1 let now = System.DateTime.Now We recommend using lowercase for all variable names bound in pattern matches, functions definitions, and anonymous inner functions. Functions may also use uppercase: let add I J = I+J let add i j = i + j Use uppercase when the natural convention is to do so, as in the case of matrices, proper nouns, and common abbreviations such as I for the identity function: let f (A:matrix) (B:matrix) = A+B let Monday = 1 let I x = x We recommend using camelCase for other values, including the following: Ad hoc functions in scripts Values making up the internal implementation of a module Locally bound values in functions let emailMyBossTheLatestResults = ... let doSomething () = let firstResult = ... let secondResult = ...

We can query from the proxy_users view to display information about proxy users and their capabilities in our database: admin@ORA10G> select proxy, client, flags from proxy_users; PROXY ---------MIDTIER MIDTIER CLIENT --------------DB_MANAGER1 DB_CLERK1 FLAGS ----------------------------------NO PROXY MAY ACTIVATE ROLE NO PROXY MAY ACTIVATE ROLE.

Recommendation: Avoid using underscores in names. The F# library uses underscore naming conventions to qualify some names. For example: Suffixes such as _left and _right Prefix verbs such as add_, remove_, try_, and is_, do_ Prefix connectives such as to_, of_, from_, and for_ This is to ensure compatibility with OCaml. However, we recommend limiting the use of this style to the previous situations or avoiding it altogether, partly because it clashes with .NET naming conventions. Over time we expect the use of this style will be minimized in the F# libraries. We recommend you avoid using two underscores in a value name and always avoid three or more underscores.

Of course, you must realize that 2.0 attempts to be backwards compatible, so just because these are deprecated doesn t mean they go away. They will survive in-perpetuity in the name of backwards compatibility (or until Microsoft ships a non-backwards compatible version of ASP .NET), so your existing code will continue to work. With new development, however, you should use the methods of the client script manager. Let s take a look at these. The point of a lot of these register methods is first and foremost to avoid duplicating the code that s being sent to your page, which can happen easily when a control is generating code and more than one instance of the control is placed on a single Web Form. Some of these methods also do a bit of code generation for you, but it s nothing substantial. Table 4-3. Methods of the ClientScript Object That Help Manage JavaScript