raddropdownlist winforms

. sqlclient. sqlcommand ("select * from MERs", conn1 ); System. Data. sqlclient. sqldataadapter ada1 = new system. Data. sqlclient. sqldataadapter (command1 ); Dataset c_ds = new dataset (); Try { Conn1.open (); Ada1.fill (c_ds ); } Finally { Conn1.close (); Command1.dispose (); Conn1.dispose (); } // Specify a report file for the report BrowserThis. reportviewer1.localreport. reportembeddedresource = "report. report1.rdlc "; // Specify the dataset. After the dataset name is a table, it is not

In WPF, the control tree is formed because the control is composed of other controls. Therefore, in terms of event processing, it is not the same as winforms. It adopts the so-called routedevent, that is, event routing. When registering a route event, we can select different routing policies. Tunneling): The event is first triggered on the root element, and then passed down to the level until the child element that initially triggered the ev

Datamodel (); 16 Model. ID = (I + 1 ). Tostring (); 17 Model. datavalue = random. Next ( 1 , 200 ). Tostring (); 18 Model. Time = Datetime. Now. addhours (j). tow.timestring (); 19 Listtable. Add (model ); 20 } 21 } 22 23 // The following is an important part: bind table data 24 // The namespace Microsoft. Reporting. winforms. 25 // Define the data source. The dataset name "dstest" is us

type, and the other is the default value type. ========================================================== ========================. Net C # basic knowledge questions (20%)1. How to obtain the handle of the current form or control in. Net (C # Or VB.net), especially the handle of the control itself (Please list ).Answer: This (C #) Me (VB.net ). 2. How to customize messages in. Net (C # Or VB.net) and process these messages in the form.Answer:Reload the defwndproc function in form to proc

Dxperience has been releasing version 12.2 for some time. It has released a multi-platform cross-device tool: dxtreme. Devexpress also brings a new. NET Report Server, which is a powerful report platform with a high-performance report server and a client that manages the report designer. For more information about devexpress 12.2 Report Server, see> At the beginning of dev12.2, most winforms, ASP. NET, WPF, and Silverlight controls support the touch

Microsoft will open the. NET framework together with Visual Studio 2008. Source code The library is open based on the Microsoft reference license. That is to say, anyone who agrees to this protocol can freely browse the source Code Library. The initial open libraries include basic class libraries (system namespaces, Io, regular expressions, etc.), ASP. NET, winforms, and WPF. Then Microsoft will add more content. Microsoft provides two methods to ac

/program/originalarticles/TechDoc/deployNETApp.mspx------------------------------------------------- Q: When vs. NET 2003 is installed, an error "cannot access Windows Installer components" is reported.A:According to the prompt, there should be a problem with Windows installer.You need to reinstall Windows installer.Perform the following operations:1. Stop the Windows Installer Service with msiexec/unregserver.2. Download instmsiw.exe and decompress it with WinRAR. Enter the directory.3. Right-

1. When declaring a form class, add:PrivateProcedure CreateParams (var params:tcreateparams); Override2. In the Form Implementation section, add:Procedure Tfrm_main.createparams (var params:tcreateparams);Begininherited;Params.exstyle: = 33554432; 0x 02 00 00 00Endhas been tested to effectively resolve flicker problems with forms that contain multiple controls. See the original posts: http://social.msdn.microsoft.com/forums/en-US/winforms/thread/aaed0

have to understand. Coreapplication.createnewview creating a view this should not be difficult to understand, but when initializing the UI of a new view, it must be 700% note that each view is managed by a separate UI thread. So, your code is written in the main view, you can't access the new views directly in the main view, you have to do it from the dispatcher associated with the new Views (Coreapplicationview objects).In the code that is inserted into the dispatcher queue, Window.current ref

Starting today, the ASP. NET Web API (hereafter, sometimes referred to as the Web API) is studied. I will write a practical series of topics, not necessarily into a theoretical system, just encounter problems or experience, write down. Gain a deeper understanding of the ASP. NET Web API for a longer period of time. Here I use the VS2013 integrated development environment, if the version is not enough, you can use NuGet to download the Web API-related DLL.Discuss the self-hosted web Api today.The

Code Xuni has a lot in common with. NET controls in well-known ComponentOne studio, such as FlexGrid. ComponentOne Studio is the entire Visual Studio. NET stack of controls, including Winforms,wpf,mvc and UWP. By combining ComponentOne Studio and Xuni you can get the set of controls required for. NET and mobile development.Quick one step, free trialVisit the Xuni Chinese website and get started quickly with an online sample.You can also click he

, including flexible tables, charts, calendars, and dashboards. Support Touch From selection to scrolling, each control and interactivity of Xuni is touch-enabled, and you can use it to create touch-first phones and tablet apps. Premium Animation Experience Xuni data visualization and calendar controls contain built-in and configurable animation effects. Flexchart and Flexpie have unique animation update capabilities that can show trends in data over time. .

(); ApplicationInstance.Appplication.Run (Environment.getcommandlineargs ()); }1 single-piece mode, the computer can only start a process instance. If the system is already started, only the process is woken up again, showing the main form.2 exception handling. The WinForms program implements custom industry exception handling, which throws exception blocking processing in. NET code, containing the full stack that throws the exception.3 Set th

applications,. NET, JAVA, Ajax and even Windows Moblie, Pocket PC, smartphone and so on. Another unparalleled feature is the ability to perform performance tests, stress tests, and testcomplete in addition to the main functional tests. Such a small tool, so powerful, has to marvel at the technical level of AUTOMATEDQA company refining! And it has a strong API interface, very easy to expand, I strongly recommend the domestic company here, because it is a business tool, but very cheap.* Seapine Q

, SQL Server).WebsharpWebsharp is an open source persistent layer framework for Chinese people, and its goal is to design a based on. NET is the framework of a common application software system to simplify based on. NET platform for the development of enterprise application software. Currently, Websharp focuses on the following aspects of enterprise application software:1. Database access2. O/R mapping3. AOP4. Distributed accessObjectBrokerObjectBroker is an open-source O/R mapping framework un

TranslateTransform, which provides the margins for the image.The Graphics object we created implements the IDisposable, so it needs to be released after the drawing is finished. In C #, we use well-known using constructs; in F #, you can do similar work with the USE keyword [1]. In Listing 7.7, the Graphics object is released automatically before the bitmap that returns the result. The Use keyword is a bit different from the using, and we'll discuss it in the Nineth chapter.Finally, we need to

the schema design of the ActiveReports report control. ActiveReports is a global application of a very wide range of report controls to provide. NET reports all the report design features required are ahead of the same report controls, including strong support for interactive reports, rich data visualization, seamless integration with Visual Studio, and Html5/winforms/asp.net/asp.net Mvc/sil Multi-platform support for VERLIGHT/WPF and Windows Azu

layer framework for Chinese people, and its goal is to design a based on. NET is the framework of a common application software system to simplify based on. NET platform for the development of enterprise application software. Currently, Websharp focuses on the following aspects of enterprise application software:1. Database access2. O/R mapping3. AOP4. Distributed accessObjectBrokerObjectBroker is an open-source O/R mapping framework under the. NET Platform. It supports object caching, 1:1, 1:n

DevExpress recently released v15.1.6, some important features and API changes have been introduced in this release.Latest version download: DevExpress Universal Subscriptionall the WinForms controls # BC3052: Accordioncontrol- Element.expandedchanged events are no longer exposed: use accordioncontrol.expandstatechanged and expandstatechanging events instead. The new accordioncontrol.expandstatechanged and accordioncontrol.expandstatechan

DevExpress recently released v15.1.6, some important features and API changes have been introduced in this release.Latest version download: DevExpress Universal Subscriptionall the WinForms controls # BC3052: Accordioncontrol- Element.expandedchanged events are no longer exposed: use accordioncontrol.expandstatechanged and expandstatechanging events instead. The new accordioncontrol.expandstatechanged and accordioncontrol.expandstatechan