Dot Net Facts

tag:blogger.com,1999:blog-2485879060866698233Fri, 13 Jul 2012 14:28:36 +0000Visual StudioDataGridViewPropertyGridgdi+CollectionEditorMicrosoftMySQLworkaroundpatternssecurityActiveRecorduser controlsdisposeSQL ServergdiWindows ServicesOracleinfragisticschartultrachartADO.NETc#interned stringscomparisontipsoptimizationGCperformanceFirebirdwin32 apistringsreviewDirectXWinFormsSilverlightGood to knowDot Net FactsProgramming, .NET Framework, Visual Studio, C#, OOP Tips, Infragistics, NetAdvange, GDI+ rendering, performance, optimizations.http://dotnetfacts.blogspot.com/noreply@blogger.com (DotNetFacts)Blogger36125tag:blogger.com,1999:blog-2485879060866698233.post-1737696202093041454Fri, 19 Feb 2010 20:03:00 +00002010-09-30T10:27:06.231+03:00tipsDataGridViewc#Hide specific cell values in DataGridViewIn this post I will show you how to hide a specific cell value in a DataGridView control. Get a DataGridView and some data for it Let's suppose we have this pre-populated DataGridView (it really doesn't matter what is the data source):  http://dotnetfacts.blogspot.com/2010/02/hide-specific-cell-values-in.htmlnoreply@blogger.com (DotNetFacts)1tag:blogger.com,1999:blog-2485879060866698233.post-3611651882158654131Tue, 12 Jan 2010 17:26:00 +00002010-01-14T13:01:49.424+02:00workaroundGood to knowDot NET 2.0 Generics and Windows 98One of my customers asked me to write a .NET application which is capable to run on old Windows 98 machines. This request came to me last year but don't ask me about the reasons of doing such a thing :).  Only .NET 2.0 is running http://dotnetfacts.blogspot.com/2010/01/dot-net-20-generics-and-windows-98.htmlnoreply@blogger.com (DotNetFacts)2tag:blogger.com,1999:blog-2485879060866698233.post-4335267284719136313Fri, 30 Oct 2009 18:37:00 +00002009-10-30T21:01:31.026+02:00MicrosoftGood to knowDirectXDirectX 11 for Windows 7 and Vista SP2DirectX® 11, the next generation of graphics technology, arrives with Windows 7. This is great news for players because the game developers will utilize new features to create rich worlds, realistic characters, and more fluid gameplay.  http://dotnetfacts.blogspot.com/2009/10/directx-11-for-windows-7-and-vista-sp2.htmlnoreply@blogger.com (DotNetFacts)0tag:blogger.com,1999:blog-2485879060866698233.post-5274614543189213582Thu, 22 Oct 2009 12:30:00 +00002009-10-26T19:35:49.701+02:00WinFormstipsDataGridViewc#The BindingSource-Sort propertyIn this post I present an interesting conclusion about sorting a data source using the BindingSort.Sort property. The test environment Here is the test application I use for this presentation. Briefly, it contains a DataSet with a Test DataTable, which is the DataSource I will try so sort. Then I bind this DataSource to a ComboBox, a ListView and a DataGridView control.  Set focus on a DataGridView cell This code sample will set the editing cursor right in the first cell of the current row in DataGridView. http://dotnetfacts.blogspot.com/2009/09/set-focus-on-datagridview-cell.htmlnoreply@blogger.com (DotNetFacts)6tag:blogger.com,1999:blog-2485879060866698233.post-5878862401141801460Sat, 02 May 2009 10:59:00 +00002009-05-02T14:35:21.544+03:00ADO.NETFirebirdtipsCreate a new embedded Firebird databaseThis post will show you how to create a new database file with the embedded Firebird from a C# .NET application.  Using ADO.NET Provider earlier than 1.7 For the ADO.NET Provider 1.6 it was necessary to specify username and password (http://dotnetfacts.blogspot.com/2009/05/create-new-embedded-firebird-database.htmlnoreply@blogger.com (DotNetFacts)1tag:blogger.com,1999:blog-2485879060866698233.post-4705145487271516190Fri, 01 May 2009 17:37:00 +00002009-05-02T13:54:17.085+03:00tipsc#Determine Debug Mode in .NETIf you will ever need to execute different code paths for the Debug mode and the Release mode, this is the best way to do it. You may also find this article very useful: Identifying the Run-Time and the Design Mode. It refers to UserControl's and Form's design mode.  Extract version of an assembly file This example shows you how to extract the assembly version from an assembly which name we know: C# .NET <http://dotnetfacts.blogspot.com/2009/05/extract-assembly-version.htmlnoreply@blogger.com (DotNetFacts)0tag:blogger.com,1999:blog-2485879060866698233.post-7377814001531384844Mon, 27 Apr 2009 14:45:00 +00002009-04-28T12:54:26.631+03:00ActiveRecordFirebirdc#ActiveRecord, Firebird and Guid Primary KeysI like to use the Guid values as Primary Keys, because I do a lot of data synchronization and sometimes I need to know the ID value before saving the record into the database. Here is a good article about using the Guid as Primary Key. ActiveRecord ActiveRecord is part of the Castle Project and a implementation of the ActiveRecord pattern for .NET. The ActiveRecord pattern consists on instance http://dotnetfacts.blogspot.com/2009/04/activerecord-firebird-and-guid-primary.htmlnoreply@blogger.com (DotNetFacts)5tag:blogger.com,1999:blog-2485879060866698233.post-336175772954565763Sun, 01 Feb 2009 11:50:00 +00002009-05-02T17:40:34.701+03:00SilverlightMicrosoftMicrosoft Silverlight 3 featuresAccording to Silverlight Development Team Leader, Scott Guthrie, the next Silverlight release is planned for 2009. The new Silverlight 3 will bring in a lot of new features and cool stuff. Here is a small list of the most important new features.  Blend colors with GDI+ http://dotnetfacts.blogspot.com/2008/12/how-to-blend-colors-with-gdi.htmlnoreply@blogger.com (DotNetFacts)0tag:blogger.com,1999:blog-2485879060866698233.post-6176621415695469640Mon, 24 Nov 2008 19:10:00 +00002009-05-02T17:39:51.958+03:00MySQLADO.NETConnect to a MySQL 5.0 database with ADO.NETIf you want to develop applications with the .NET Framework having a MySQL database as a data source you may want to try the MySQL Connector/NET 5.2. The MySQL Connector/NET is a fully managed ADO.NET component wich provides specific implementation for all ADO.NET classes. You can download the MySQL Connector/NET 5.2 component from the MySQL web site.  In order to debug a http://dotnetfacts.blogspot.com/2008/09/how-to-debug-windows-service-in-visual.htmlnoreply@blogger.com (DotNetFacts)5tag:blogger.com,1999:blog-2485879060866698233.post-7675431727560062955Mon, 09 Jun 2008 09:10:00 +00002009-01-16T09:54:12.237+02:00user controlsWinFormstipsCollectionEditorPropertyGridHow to: Set the PropertyGrid as Read-OnlyThe default PropertyGrid control provided by the WinForms collection doesn’t support a read-only functionality. Setting the PropertyGrid as read-only might be useful if you want to allow your users to fully inspect a rich property object exposed by the PropertyGrid without the possibility to change something.  Read database http://dotnetfacts.blogspot.com/2008/05/how-to-retrieve-database-schema.htmlnoreply@blogger.com (DotNetFacts)0tag:blogger.com,1999:blog-2485879060866698233.post-6816248979499725612Sun, 18 May 2008 11:23:00 +00002009-05-02T17:43:18.163+03:00gdi+WinFormstipsClient coordinates and Screen coordinatesThe .NET Framework can provide the mouse coordinates using the client coordinates system or the screen coordinates system. In some mouse-based scenarios we need exactly to know which coordinates system is used in order to use the correct offset. <!-- google_ad_client = "pub-7646043077243506"; /* TXT_IMG_300x250 */ google_ad_slot = "4234529990"; google_ad_width = 300; google_ad_height = 250;http://dotnetfacts.blogspot.com/2008/05/client-coordinates-and-screen.htmlnoreply@blogger.com (DotNetFacts)0tag:blogger.com,1999:blog-2485879060866698233.post-3579002788070496543Sat, 03 May 2008 14:27:00 +00002009-05-02T17:43:47.506+03:00performanceGCdisposetipsoptimizationHow the Garbage Collector works - Part 2How the Garbage Collector works - Part 1 Now let’s go deeper to understand how the Garbage Collector (GC) is actually collecting the dead objects and how this may affect the performance. Collecting the Garbage The GC is able to collect the garbage in two ways: full collections (searching the entire managed heap for dead objects) and partial collections (searching only a single generation http://dotnetfacts.blogspot.com/2008/05/how-garbage-collector-works-part-2.htmlnoreply@blogger.com (DotNetFacts)0