determine combobox item is selected
if i populate combobox with sqldataadapter and sqldatatable then how can i determine weather combobox has selected item or empty
[135 byte] By [IIM] at [2007-12-28] 
Check this:
if (myCombo.SelectedItem == null) { //item not selected, do something, set error in error provider for combo, set the focus to the como or something else like message box. } |
boban.s at 2007-9-4 >
Extra info:
myCombo.SelectedIndex will be -1 if nothing is selected.
Greetz,
Geert
Geert Verhoeven
Consultant @ Ausy Belgium
GeertVerhoeven at 2007-9-4 >
Windows Forms Hot Topic
- External component has thrown an exception
- icons in contextmenu
- Upgrade application using setup project (VS 2003)
- Need help with formating a default cell style
- Copy all data from Datagridview into a new datatable
- UserControlTestContainer error
- Copy Datagrid data to clipboard
- Trying to access another process from my Win Form
Windows Forms New Topic
- Suggested Additions to Modifiers
- how to know a version from a server, not from the client
- CollectionEditor does not allowing editing of events for components
- How to add App.config of libraries(.dll) to ClickOnce?
- Error while canceling print: "startdocprinter call was not issued"
- How does the datagrid know when to "update" from changes in a dataset
- Need some human intervention with email forms
- Is there a .pre folder in clickonce upgrade?
Windows Forms
Java / MSDN / Linux Tech / PHP Tech / MSDN DotNet / MSDN TECH / Health Library / Programmers Tech / visual basic Tech / Developer Tech / Ipod faqs / Msdn China Tech
Site Classified
- SQL Server
- Windows Forms
- .NET Development
- Visual Basic
- Visual Studio
- Visual Studio Team System
- Visual Studio Orcas
- Visual Studio Express Editions
- Software Development for Windows Vista
- Visual C#
- Visual C++
- Smart Device Development
- SharePoint Products and Technologies
- Feedback for forums and MSDN websites
- Game Technologies: DirectX, XNA, XACT, etc.
- Visual Studio Tools for Office
- Windows Live Developer Forums
- Microsoft ISV Community Center Forums
- Internet Explorer Development
- Visual FoxPro
- Windows Search Technologies
- Audio and Video Development
- Architecture
- Commerce Server
- Gadgets
- Microsoft Robotics Studio
- Community Chat
- BizTalk Server
- Visual J#
- Windows Networking Development
- Silverlight (formerly WPF/E)
- Popfly
- SQL Server Katmai
- Connected Services Framework
- Office Live Development
- Customer Care Framework
- Incubation Technologies
- Software Engineering Discussion
- System Center
- Software Licensing and Protection Services
- Visual Studio Rosario
- Small Business Application Development
- Office
- Windows Server 2008
- JScript
- Storage Platform – Core
- Misc