i have 3 combo boxes on a form in vb.net. the 3rd combo needs the selection from both of the previous. How do i check that both cb1 and 2 have items selected?
there is no order of selection the user can change 1 or 2 in either order as long as i can make cb3 respond
You can use the ComboBox.SelectedIndex (https://msdn.microsoft.com/en-us/library/system.windows.forms.combobox.selectedindex(v=vs.110).aspx) property to know if a item has been selected in the ComboBox.
More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.
This article explains how to create and use a custom WaterMark textbox class. The custom WaterMark textbox class allows you to set the WaterMark Background Color and WaterMark text at design time.
IMAGE OF WATERMARKS
Create VB …
1.0 - Introduction
Converting Visual Basic 6.0 (VB6) to Visual Basic 2008+ (VB.NET).
If ever there was a subject full of murkiness and bad decisions, it is this one! The first problem seems to be that people considering this task of converting…
This is used to tweak the memory usage for your computer, it is used for servers more so than workstations but just be careful editing registry settings as it may cause irreversible results. I hold no responsibility for anything you do to the regist…