Book Image

Microsoft Dynamics NAV 2009 Programming Cookbook

By : Matthew Traxinger
Book Image

Microsoft Dynamics NAV 2009 Programming Cookbook

By: Matthew Traxinger

Overview of this book

Microsoft Dynamics NAV 2009 is a business management solution that helps simplify and streamline highly specialized business processes such as finance, manufacturing, customer relationship management, supply chains, analytics, and electronic commerce for small and medium-sized enterprises. ERP systems like NAV thus become the center of a company's day-to-day operations. When you learn to program in an environment like this it opens up doors to many other exciting areas like .NET programming, SQL Server, and Web Services.Microsoft Dynamics NAV 2009 Programming Cookbook will take you through interesting topics that span a wide range of areas such as integrating the NAV system with other software applications like Microsoft Office, creating reports to present information from multiple areas of the system, and so on. You will not only learn the basics of NAV programming, but you will also be exposed to the technologies that surround the NAV system such as .NET programming, SQL Server, and Web Services.The first half of the cookbook will help programmers coming to NAV for the first time by walking them through the building blocks of writing code and creating objects like tables, forms, and reports. The second half focuses on using the technologies surrounding NAV to build better solutions. You will learn how to write .NET code that works with the NAV system and how to integrate the system with other software applications like Microsoft Office or even custom programs. You will also discover some of the features of the Role Tailored Client including creating Pages and custom add-ins.
Table of Contents (18 chapters)
Microsoft Dynamics NAV 2009 Programming Cookbook
Credits
About the author
About the reviewer
Preface
Index

Figuring out who is blocking whom


Deadlocking can be a common occurrence in NAV. Unfortunately, users cannot work in the system when their actions are being blocked by another user. This recipe will show you how to determine who is blocking other users and resolve the situation.

How to do it...

  1. Open SQL Server Management Studio.

  2. Open a new query window.

  3. Execute the following code:

    sp_who
    
  4. You will see results similar to this:

How it works...

The sp_who command queries the sys.sysprocesses system table in SQL. It returns a list of all connections to the server and if they are being blocked by anyone, the column labeled blk will be filled in with the spid of the user doing the blocking.

This provides similar information to what can be found in NAV. If you go to File | Database | Information, and drill down into the Current Sessions number, you can see the users who are being blocked.

There's more...

You can also write your own query to find the deadlocks.

Another way to find deadlocks

The following...