Hopefully someone can lend some advice, we’re using version 10.2.20102.1004 of the UltraCombo in our .net windows form application. We have some users that when they click the combo drop down, the DropDown width that’s set for the combo seems to not be invoked thus causing the combo to display only a portion of the display field of the combo. Also instead of using the column header text it's using the actual field name from the data source used to populate the combo. This behavior only happens on certain user machines. A little architectural background, the application resides on a Windows 2008 server employing IIS 7. The user machines are Windows 7. We have not had any such behavior in the past, of course we upgraded infragistic versions as we upgrade our application from .net frameworks, our application has been deployed for many years, this is the first occurrence with any version of infragistics we've used. Has anyone experienced this before and if so what could be the cause? I understand this may be machine specific and not an issue with the control itself, any advice is greatly appreciated. It appears that the combo in question does get initialized all the time and at times it does. If more information than I have provided is need please let me know and I will happily provide it.
Best Regards,
Hi,
That's really weird and I've never heard of anything like that before. Obviously, there must be something different on the client machine.
The first thing I would check is - see if your application is loading a layout into the UltraCombo. Maybe there's a Layout file on the user's machine from an older version of your application which is causing problems. If that is the case, it would not explain the DropDownWidth problem, but it might explain the column headers.
Another thing to look at is the version numbers of the assemblies. Make sure the client machine has the same version of the Infragistics assemblies that you have. You might also want to check the versions of the DotNet framework.
It's also possible that this is some sort of timing problem with the assemblies. So if none of the above suggestions help you, you could try updating to the latest service release.
How to get the latest service release - Infragistics Community
We recently added a new feature to UltraCombo (and other dropdown conttrols) that allows the user to resize the dropdown. So it's possible that a bug was introduced along with the new feature. Updating the service release should help, if that is the case.