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Profiling medium trust web applications
Profiling medium trust web applications
Our profiler uses WCF in order to communicate with the client application. One of the benefits of the XPOProfiler is that it supports 2 binding types. Both binding types have their advantages however in this situation only one allows us the flexibility...
Apostolis Bekiaris (DevExpress)
29 August 2011
XPO profiling tool
no comments
XPO–11.2 Sneak Peek - Auto-generated Int64 keys
XPO–11.2 Sneak Peek - Auto-generated Int64 keys
We are not far from 11.1 and I presume that you will be surprised to see 11.2 sneak peeks at this time There is not actually not much to say here, because the subject says it all. Starting from version 11.2 you can define a Int64 (long) key property in...
Dennis Garavsky (DevExpress)
28 July 2011
XPO 11.2 Int64 PK long auto-generated key
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XPO – 11.1 Sneak Peek - WCF services for IObjectLayer
XPO – 11.1 Sneak Peek - WCF services for IObjectLayer
In the two previous blog posts, we already described how to provide the IDataStore and ICachedDataStore implementations, working via WCF Services. In this blog post, we will talk about implementing a distributed object layer service ( IObjectLayer/ISerializableObjectLayer...
Dennis Garavsky (DevExpress)
17 May 2011
XPO 11.1 IDataStore WCF distributed applications service v2011 vol1 v2011.1 ISerializableObjectLayer IObjectLayer
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XPO – 11.1 Sneak Peek – IDataStore WCF Service in Silverlight
XPO – 11.1 Sneak Peek – IDataStore WCF Service in Silverlight
In this blog post we will talk about peculiarities of using IDataStore WCF services in Silverlight projects. As you guess, the main restriction is that all inquiries should be performed asynchronously or rather should not block the UI thread. Let’s extend...
Dennis Garavsky (DevExpress)
16 May 2011
XPO 11.1 IDataStore WCF v2011 vol1 asynchronous SL Silverlight v2011.1
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XPO – 11.1 Sneak Peek – Data binding in WPF
XPO – 11.1 Sneak Peek – Data binding in WPF
In this blog post, we are going to demonstrate how to use a new XPObservableAssociationList<T> class in the DevExpress.Xpo.Linq library for data binding to persistent classes in WPF . First, we will create a new WPF Application project. Then, we...
Dennis Garavsky (DevExpress)
16 May 2011
XPO LINQ 11.1 WPF data binding XPObservableAssociationList v2011.1
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XPO – 11.1 Sneak Peek - Profile it!
XPO – 11.1 Sneak Peek - Profile it!
Introduction We have one more amazing piece of news for our XPO customers. In version v2011 vol 1, we have implemented XPO Profiler - an external profiling tool for XPO-based business applications, allowing you to track internal events in the underlying...
Dennis Garavsky (DevExpress)
4 May 2011
XPO SQL 11.1 performance profiling tool bottleneck v2011 vol1 v2011.1
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XPO – 11.1 Sneak Peek – Data caching improvements
XPO – 11.1 Sneak Peek – Data caching improvements
Introduction First, we would like to refresh your memory and return to the distant past and our old posts about data caching in XPO: ·         XPO is good for distributed applications ·        ...
Dennis Garavsky (DevExpress)
21 April 2011
XPO 11.1 IDataStore WCF distributed applications service data caching SQLDependency v2011.1
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XPO – 11.1 Sneak Peek - WCF services for IDataStore
XPO – 11.1 Sneak Peek - WCF services for IDataStore
In XPO v2011.1 vol 1, we added support for WCF Services. These improvements provide the capability to create service and client for IDataStore as easy as it can only be. In order to support this feature, the DevExpress.Xpo assembly will reference assemblies...
Dennis Garavsky (DevExpress)
19 April 2011
XPO IDataStore WCF distributed applications service v2011.1
no comments
XPO – 11.1 Sneak Peek – Support for the OUTER APPLY operator in SQL queries
XPO – 11.1 Sneak Peek – Support for the OUTER APPLY operator in SQL queries
We have some good news for our XPO users. In v2011 vol1 we have improved our sql-generator by supporting the OUTER APPLY operator. This SQL operator enables you to create an aggregate’s sub queries outside the WHERE clause and the SELECT expressions...
Dennis Garavsky (DevExpress)
22 March 2011
XPO SQL OUTER APPLY 11.1 v2011.1
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XPO to Database Connectivity: Mastering Fork Etiquette
XPO to Database Connectivity: Mastering Fork Etiquette
UPDATED: The DataStoreFork API is internal and undocumented and was described in this post before the official XPO solution for creating pooled connections was implemented. Use the DevExpress.Xpo > XpoDefault > GetConnectionPoolString API in the...
The DevExpress Team
6 July 2010
XPO
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