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COM+ and MTS, DCOM and MSMQ, Serialization in .NET     
Total Hits: 182  |  Today: 0Author: Ken Spencer      Rating:  
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Developers frequently ask me for clarification on Microsoft's strategy for the future with regard to COM+, Microsoft® Transaction Services (MTS) with its features of JIT activation and object pooling, Microsoft Message Queuing (MSMQ), and DCOM. What's in store for Web farms versus app servers versus ASP and component integration? Since everybody's clamoring for answers, let's take these questions one at a time. First, I'll deal with the COM+ and MTS issue....

Message window using VB.NET in ajax     
Total Hits: 361  |  Today: 0Author: Raj Beniwal      Rating:  
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This article is used to show message window in vb.net using ajax. The problem comes when you use vb.net using ajax enables website.. This concept is easy to use in C# but it is not easy in vb.net. I am writing two line code for this message window....

VB .NET Error Handling     
Total Hits: 249  |  Today: 0Author: Ujwal Watgule.      Rating:  
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In this article, you’ll learn how to build blocks of code that handle run time errors, also referred as exceptions which occur as a result of normal operating conditions for example. Errors due to a disk not being in the drive or to an offline printer.

Visual Basic .NET includes the Try---Catch code block, a new syntax for handling error. In this article you’ll learn how to trap run time errors using Try---Catch code block, and you’ll learn how to use the Err.Number and Err.Description pr...

Sending SMS using .NET     
Total Hits: 552  |  Today: 0Author: PooranPrasad.      Rating:  
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When do you want to send SMS via applications? There could be plethora of use cases for this. The simplest one is to validate a mobile number, and some of the complicated ones could involve sending an SMS after a huge workflow is complete or gone wrong. Let's find out ways to send SMS using C#/VB.NET....

VB.NET, VB6 and C# Interprocess communication via Window Messaging     
Total Hits: 440  |  Today: 0Author: angus_grant.      Rating:  
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There are quite a few articles on inter-process communication for VB6, and quite a few articles for inter-process communication in .NET. But it is an interesting mix using managed and unmanaged environments for inter-process communication. I have finally got it working after some issues with VB6. :-)...

Error Handling in Visual Basic .NET     
Total Hits: 167  |  Today: 0Author: Ken Getz      Rating:  
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Discusses how error handling differs between Visual Basic .NET and Visual Basic 6.0. Main topics include Try/Catch blocks, Exception objects, procedure callers, and how to create your own Exception classes. The .NET Framework provides structured exception handling, using the Try, Catch, Finally, and Throw keywords in Visual Basic .NET. This type of error handling has been available, in some fashion, in C++ for a number of years. With the release of the .NET common language runtime, this type of ...

Introduction to Messaging in .Net using MSMQ     
Total Hits: 706  |  Today: 0Author: w3coder      Rating:  
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This Article explains the usage of sending and receiving messages using MSMQ in VB.Net...

HOW TO: Obtain Extended Error Information in the DataSet Using Visual Basic .NET (Q308058)      
Total Hits: 482  |  Today: 0Author: MSDN      Rating:  
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The DataAdapter class throws generic exceptions when problems occur. This article demonstrates how to obtain a descriptive error message for each row and column that is in fault in any table in a given DataSet class. This is very useful in update scenarios when it is important to check if there are errors in any row or column....

Serializing Objects to SOAP     
Total Hits: 888  |  Today: 0      Rating:  
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When we serialize an object to SOAP we are copying the object state into an XML structure with a SOAP envelope. This provides us an efficient way to transfer this information in a standard way that anyone can read....

Serializing Objects to SOAP     
Total Hits: 758  |  Today: 0      Rating:  
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When we serialize an object to SOAP we are copying the object state into an XML structure with a SOAP envelope. This provides us an efficient way to transfer this information in a standard way that anyone can read....

Queue Tutorial in VB.NET     
Total Hits: 1246  |  Today: 0      Rating:  
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To add items to the Queue you use Enqueue method. This method takes an object of any type but to keep things simple lets just give it a string object....

Mail Tutorial in VB.NET     
Total Hits: 945  |  Today: 0      Rating:  
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It's always valuable to boil a problem down to it's simplest form, so here is the boiled down SMTP Mail solution:...

Error Handling in Visual Basic .NET     
Total Hits: 2017  |  Today: 0      Rating:  
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This article discusses the options for handling exceptions in Microsoft Visual Basic .NET. Visual Basic .NET supports two different ways to keep an unexpected error from terminating an application: unstructured error handling and structured error handling. These events are run-time errors--also called exceptions-- that are responses to abnormal or exceptional conditions that are caused by the execution of a block of code....

HOW TO: Handle Events in Visual Basic .NET (Q319823)     
Total Hits: 844  |  Today: 0      Rating:  
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This step-by-step article demonstrates how to connect an event of a control in Visual Basic .NET to the code that will execute when the event occurs. Because Visual Basic is an event-driven language, the ability to execute code when an event occurs is critical....

ASP.NET and VB.NET Error Handling     
Total Hits: 2912  |  Today: 0      Rating:  
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One of the main features of ASP.NET over ASP is it's new error handling features. The only way to capture errors in the ASP/VBScript was using the "On Error Resume Next" statement and checking each line for an error with "If Err.Number <> 0 Then " statements. Developers who where using JScript instead of the VBScript at the server-side where lucky. They've had access to the "Try... Catch" statements provided by JScript. Well it's all over now. Now all the .NET enabled languages support better er...

Using the Try.Catch.Statement     
Total Hits: 1967  |  Today: 0      Rating:  
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Structured error handling will be a completely new concept to Visual Basic and VBScript developers. Since the .NET Framework requires the use of Strong Typed Languages, such as Visual Basic it is time to learn how to use this method of error handling....

HOW TO: Use the XPathException Class in Visual Basic .NET (Q317108)     
Total Hits: 671  |  Today: 0      Rating:  
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This step-by-step article demonstrates how to write exception handling code to trap and handle an XPathException ( System.Xml.XPath.XPathException ). Writing error handling code to catch an XPathException when executing the Select and Compile methods of the XPathNavigator object will help to identify exceptions caused by an invalid XPath query expression....

Object Serialization in Visual Basic .NET      
Total Hits: 2742  |  Today: 0      Rating:  
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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. It is also very useful if you want to implement an 'undo' function in our object; that is, the ability to reset all the object's data back to ...

HOW TO: Write to an Event Log Using Visual Basic .NET (Q301279 )     
Total Hits: 2706  |  Today: 0      Rating:  
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This article demonstrates how to add your own entries to the operating system's event log using the Microsoft .NET Framework....

Object Serialization in VB .NET     
Total Hits: 2164  |  Today: 0      Rating:  
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Serialization is the process of converting a graph of objects, into a linear sequence of bytes. That sequence of bytes can be sent elsewhere (for example, to a remote computer) and Deserialized, thereby making a clone in that remote memory of the original graph of objects. The process of serialization is very easy with .NET and its open too. Every VB 6 programmer have used this feature of Serialization knowingly or unknowingly. When any class in ActiveX dll or ActiveX exe is created , there are ...



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