WCF can host CLR types, and clients can pass and process CLR-type data (such as string and int), but if we define the type ourselves (for example, the customer class declared). In fact, WCF's passing the CLR's own type is because it has been
The problem is that in. NET, objects of type DataRow do not support serialization, so what if you have DataRow type fields in an object that needs to be serialized? Oh, luckily the DataTable supports serialization. Therefore, we can customize the
"The concept of serialization"
Serialization is the process of converting an object's state into a format that can be persisted or transmitted. The opposite of serialization is deserialization, which converts a stream to an object. These two
Is your Java application running very slowly? Can they afford to keep up with the rising traffic? This article describes the development of high-performance, highly resilient JSP pages and the performance optimization of the servlet technology. The
The service side only throws the faultexception exception to be properly serialized into a fault message and is propagated to the client. For general exceptions (such as the dividebyzeroexception that are thrown by the divide operation), the
The way the Web publishes a method in WebService is simple, just identify the method you want to publish with the System.Web.Services.WebMethodAttribute attribute class, but the attribute can only be applied to a method and not to a property. The
Dynamic call WebService, you can not add a Web reference, the line is just need to change the WSDL address on it
C # dynamic WebService call interface
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In an SOA architecture, programmers often use XML to exchange structured and semi-structured data between applications. XML and its related technologies-Document Object Model (Model,dom), XPath, HTTP, XQuery, and Extensible Stylesheet Language
Application Scenario:
Design a task scheduling system in which configuration information is stored in XML rows in a tasks.config configuration file, with more than one task in the configuration. Different tasks, there will be different
It has been a few months since the article was actually written. For nearly six months, I have been busy with my first WCF monograph "WCF Technical Analysis" writing, has been no time to manage their own blog. So far, the writing of WCF Technical
asp.net
Personalization is now a key part of most Web applications. TechRepublic and Amazon are typical examples of the ability to remember certain features of a user. Applying ASP.net 1.x to implement this functionality requires some extra work and
Some applications, when exiting, write some setting values to the file so that they can be invoked the next time the program starts, which is called a configuration file. For example, the Windows Minesweeper, which appears at the last shutdown at
A recent error has always occurred in developing a SharePoint workflow: After the workflow starts, it displays "completed" or the error "internal errors" after the start.
Look at the log at that time and find the following paragraph:
02/06/2007 10:
A more tempting idea is to use serialization techniques to save some state information for a program so that it can be easily restored to its previous state. But before the concrete realization, some problems must be solved. If two objects have a
Remember Uncle Martin, in the enterprise Application architecture model, specifically emphasizes: "Can not distributed application is not distributed", this sentence is not a problem, especially for those who have done distributed applications, will
asp.net| Dynamic | Control in the ASP.NET program, you can choose to use the Crystal Report, the function is really powerful. But the web version of the Crystal Report seems to have a copyright problem. If the report is not a complex mess, you can
First, the introduction
For developers of NCF (NET Compact Edition), there are generally only two ways to save application options:
1. Write the value of the option to the registry, but if all applications write a large number of values to the
After completing this chapter, you will learn:
1. Create and invoke local data services outside of your workflow
2. Understand how to use interfaces to communicate between the host process and your workflow.
3. Use a design external method to
Let's look at the code for a Web service first.
[WebMethod] public DataTable GetInfo() ...{ OleDbConnection nwindConn = new OleDbConnection( "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=D:\\Northwind\\northwind.mdb;"); OleDbCommand selectCMD =
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