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The following three steps are required in order to set up and use the SOAP header for security credentials: 1. Implement a SoapHeader class that defines the data required from the consumer. 2. Apply a <SoapHeader()> attribute to all web methods that require authentication, indicating that the web method requires the custom SOAP header. 3. Implement a method that takes the username and password values and uses them to authenticate the user, and set up the principal object on the current Thread. Let s walk through the implementation of these steps.
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to be copied to the _layouts/ folder so there s the possibility of contention with other forms that you create based off these templates. Make sure you also set the correct names in your workflow definition files.
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XElement isn t the only kind of XML node available. There are classes that you can use to create different node types. Listing 29-5 provides an example. Listing 29-5. Creating Different XML Node Types using System; using System.Xml.Linq; class Listing 05 { static void Main(string[] args) { // create an XElement XElement myElement = new XElement("ElementName", "ElementValue"); // create an attribute XAttribute myAttribute = new XAttribute("AttributeName", "AttributeValue");
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Formal parameters are local variables that are declared in the method s parameter list, rather than in the body of the method. The following method header shows the syntax of parameter declarations. It declares two formal parameters one of type int, and the other of type float. public void PrintSum( int x, float y ) { ... } Formal parameter declarations Because formal parameters are variables, they have a data type and a name, and can be written to and read from. Unlike a method s other local variables, the parameters are defined outside the method body and initialized before the method starts, except for one type, which I will cover shortly. The parameter list can have any number of formal parameter declarations, and the declarations must be separated by commas. The formal parameters are used throughout the method body, for the most part, just like other local variables. For example, the following declaration of method PrintSum uses two formal parameters, x and y, and a local variable, Sum, all of type int. public void PrintSum( int x, int y ) { int Sum = x + y; Console.WriteLine("Newsflash: {0} + {1} is {2}", x, y, Sum); }
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Design Patterns for SOAP Messaging with WS-Addressing and Routing
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As with the Windows Forms interface in 9, I won t walk through the details of every web form in the application. Instead, I ll walk through a representative sample to illustrate key concepts. In particular, I ll discuss the following: Basic site design The use of forms-based authentication Adding and editing roles Adding and editing project data However, before getting into the design and development of the Web Forms UI itself, I need to discuss some of the basic concepts around the use of business objects in web development.
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The final business property in this region provides client code with access to the collection of child objects: public ProjectResources Resources { get { return _resources; } } The collection itself is exposed as a read-only property, but since it is an editable collection derived from BusinessListBase, the UI code will be able to add and remove child items as needed.
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TERMINATED BY WHITESPACE parses the string by looking for the first occurrence of whitespace (tab, blank, or newline), and then it continues until it finds the next non-whitespace character. Hence, when it parsed the data, DEPTNO had 10 assigned to it, the two subsequent tabs were considered as whitespace, Sales was assigned to DNAME, and so on. On the other hand, if you were to use FIELDS TERMINATED BY X"09", as the following modified control file does FIELDS TERMINATED BY X"09" (DEPTNO, DNAME, LOC ) you would find DEPT loaded with the following data: ops$tkyte@ORA11GR2> select * from dept; DEPTNO DNAME LOC ---------- -------------- ------------10 Sales Here, once SQLLDR encountered a tab, it output a value. Hence, 10 is assigned to DEPTNO, and DNAME gets NULL since there is no data between the first tab and the next occurrence of a tab. Sales gets assigned to LOC. This is the intended behavior of TERMINATED BY WHITESPACE and TERMINATED BY <character>. Which is more appropriate to use will be dictated by the input data and how you need it to be interpreted. Lastly, when loading delimited data such as this, it is very common to want to skip over various columns in the input record. For example, you might want to load fields 1, 3, and 5, skipping columns 2 and 4. To do this, SQLLDR provides the FILLER keyword. This allows you to map a column in an input record, but not put it into the database. For example, given the DEPT table and the last control file from earlier, we can modify the control file to load the data correctly (skipping over the tabs) using the FILLER keyword: LOAD DATA INFILE * INTO TABLE DEPT REPLACE FIELDS TERMINATED BY x"09" (DEPTNO, dummy1 filler, DNAME, dummy2 filler, LOC) BEGINDATA 10 Sales Virginia The resulting DEPT table is now as follows: ops$tkyte@ORA11GR2> select * from dept; DEPTNO DNAME LOC ---------- -------------- ------------10 Sales Virginia
Figure 17-9. References to interfaces with explicit interface member implementations When there is an explicit interface member implementation, a class-level implementation is allowed, but not required. The explicit implementation satisfies the requirement that the class or struct must implement the method. You can therefore have any of the following three implementation scenarios: A class-level implementation An explicit interface member implementation Both a class-level and an explicit interface member implementation
<add key="CslaIsInRoleProvider" value="Namespace.Class.Method,Assembly" /> The default IsInRoleProvider() exists in the AuthorizationRules class and looks like this: private static bool IsInRoleDefault(IPrincipal principal, string role) { return principal.IsInRole(role); } The reason for all this work is to allow an advanced business developer to replace how the IsInRole() operation is performed by substituting his own method for this one. At this point you should understand how business type level authorization roles are stored in ObjectAuthorizationRules and how the AuthorizationRules class makes the behaviors available both to the business object developer and any other code that needs to check the rules.
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