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System.Collections.Hashtable Class
Information   Base Types   Related Resources

Represents a collection of key-and-value pairs that are organized based on the hash code of the key.

  • Namespace: System.Collections
  • First seen in: .NET v1.0.3705
  • Last seen in: .NET v1.1.4322
  • Last changed in: .NET v1.1.4322
  • Assembly: mscorlib.dll

  • System.Object
  • View this type on MSDN
  • View this type on WinFX 247
    Articles (27)Discussions (357)MembersRotorChanges
    Articles

    Page: 12
    .NET Tools: Ten Must-Have Tools Every Developer Should Download Now
    MSDN
    10 Tools you can use to make your development easier, faster and more fun!
    An Introduction to Programming Using Microsoft Visual C# 2005 Express Edition
    MSDN
    Using various example projects, readers will be exposed to several aspects of the C# programming language and key concepts of the .NET technologies.
    C# From a Java Developer's Perspective
    http://www.25hoursaday.com/
    What follows is an overview of similarities and differences between the language features and libraries of the C# and Java programming languages based on my experience using both languages. All code snippets below were tested on Microsoft's .NET Framework Beta 2 for C# snippets and Javaâ„¢ 2, Standard Edition (J2SEâ„¢) version 1.4 Beta 2 for the Java snippets.
    Common .NET Libraries for Developers
    MSDN
    Identifies and defines many of common namespaces that you will use when developing .NET applications, and provides examples of the most common classes and methods in those namespaces.
    Debugging and C#
    C# Help
    Debugging GUI applications for me mostly consists of printing out debug statements in the form of a dialog box with some text. While this technique was helpful for small to medium size apps I find writing large apps with a dialog box popping up after every other statement is counterproductive. With this in mind, I set out to find a better method for displaying debug statements during runtime. Enter C#.
    Deferred ASP.NET Session State Management
    MSDN
    Conserve your environment by waiting to load your Session State data into memory until needed.
    Designing User Exits - a framework for application functionality extension using Microsoft .Net framework
    The Code Project
    An article on providing an interface for functionality extension or even functionality change in your applications
    Events Under the Hood
    MSDN
    Last month, we discussed how delegates work and touched a bit on events. This month, we'll delve a bit deeper into events.
    How to use the Hashtable collection in Visual C++ .NET
    Microsoft Support
    (815673) - This step-by-step article describes how to use the Hashtable collection. By using hashing to retrieve the data, you do not have to use the costly searching mechanism. Hashing uses the value of the key itself to locate the data. The Base Class...
    How to use the Hashtable collection in Visual C++ .NET
    http://www.kbalertz.com/
    (815673) - This step-by-step article describes how to use the Hashtable collection. By using hashing to retrieve the data, you do not have to use the costly searching mechanism. Hashing uses the value of the key itself to locate the data. The Base Class...
    Implementing a Custom Filter for WSE
    DotNetJunkies
    Web Services Enhancements 1.0 for Microsoft .NET (WSE) provides the ability to incorporate security, routing, and attachment capabilities in XML Web services. It also provides an extensible framework to incorporate other features such as custom message filtering. This article will briefly describe the WSE architecture along with its extensibility mechanism through custom filters. It will also provide an example of a custom WSE output filter that facilitates targeting Groove Web Services (GWS) SOAP endpoints
    Modularizing Object Collections With The Collections API
    C#Today
    The Collections API in the .NET Framework merits close attention by all .NET developers because of the flexibility it offers for writing applications in .NET. We can use it to manage groups or collections of similar objects, standardizing the way in which groups of objects are handled by our programs. In this article, Thiru Thangarathinam takes us through a tour of all the important collection classes by showing us examples, and then goes on to show us how these collection classes can be very useful in the day-to-day work of a developer.
    Multiple Thread Techniques for a C# Windows Service
    C#Today
    Visual Studio .NET allows us to get a basic Windows service up and running quickly. The next step is to give our service the high-performance features and configurability required for real world applications. In this article, Scott Allen demonstrates how to use multithreaded techniques in .NET to achieve higher throughput and scalability in a sample Windows service. In addition, we cover configuration of the service via an XML file. In order to demonstrate the techniques discussed in the article we develop a "stock alerts" Windows service, which retrieves stock quotes from a web service and emails interested parties when a stock price moves past a specific threshold. The topics covered inside the article are also applicable to other .NET application types.
    Nice Box. Whats in It?
    MSDN
    There are two types of types in C# and the Common Language Runtime (CLR): reference types (declared using class in C#) and value types (declared using struct in C#). Reference and value types differ in some important ways.
    Object Serialization in Visual Basic .NET
    MSDN
    When building applications using objects, we are often faced with the requirement to treat all the various data within an object as a single unit. This comes into play, for instance, when you want to pass an object across the network—since you don't want to send each individual bit of object data one at a time across the network, but rather, all at once.
    Performance Considerations for Run-Time Technologies in the .NET Framework
    MSDN
    This article includes a survey of various technologies at work in the managed world and a technical explanation of how they impact performance. Learn about the workings of garbage collection, the JIT, remoting, ValueTypes, security and more.
    Real Time TCP/IP using C#
    The Code Project
    The Real time Application is a sample that shows the communication techniques between a client (TcpClient) and a server (TcpServer) application using Socket class on each side. The project also demonstrates how to using listview control in the real time project.
    Setting Up Global Objects with the global.asax File
    C# Help
    ASP.NET uses a special file, called global.asax, to establish any global objects that your Web application uses. The .asax extension denotes an application file rather than .aspx for a page file.
    Static-Site Search Engine with ASP.NET/C#
    The Code Project
    Simple, free, easy to install Search page in C#
    Storing User Information with ASP.NET 2.0 Profiles
    MSDN
    Use the new Profile object in ASP.NET 2.0 to track user preferences, create a shopping cart, and more.
    Testing: Perform Code Coverage Analysis with .NET to Ensure Thorough Application Testing
    MSDN
    This article presents a complete system for determining how much of your code base you're actually testing.
    Tips and Tricks
    MSDN
    During our last episode, we used unsafe code to do some image processing. In this column, we were supposed to spend some more time exploring unsafe code, but I've decided to change the program a bit. I have two motivations for this change. The first is that I haven't gotten around to writing the code yet. The second is that I'd like to answer a few common questions so that I don't spend so much time answering them elsewhere. Next month, we'll continue our exploration of unsafe code—probably.
    Towards a Declarative SAX Framework : Part 1 - A Simple SAX-to-C#-Mapping
    The Code Project
    This article demonstrates a simple but flexible way to read XML content without DOM
    TripleASP.Net Table Editor
    http://tripleasp.net/
    I recently started building some data administration pages for TripleASP.Net. Functions like adding resources, editing and moving content, will need to have specific pages/controls and methods to efficiently handle their administration. However, I quickly noticed that building a custom page/control to edit each table would be a very tedious process. In addition, some of the tables only require one or two values to be updated or tweaked every once in a while. So I decided to start exploring some of SQL Server’s system tables in an attempt to build a user control that would be capable of administering all of them, with little or no customization needed to edit each table. And the TripleASP.Net Table Editor was born.
    Using Delegates to Choose Right Function
    C# Corner
    The need to call different class method based on some string passed to class is an old problem. Suppose that you have some query processor, that should run different queries depending on query name.
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