Changing a UI element from viewmodel class by keeping MVVM pattern in C#
I need to show the message on message box.For this there is a method Showmessage.from view model class i need to change the messagebox image by keeping MVVM pattern.Message box image should not be exposed to view model.But i need to change the icon according to message type.
I have a list of students. how to add students and it is always visible on the dataview. I use Win Form and SQL
I have a list of students. how to add students and it is always visible on the dataview. I use Win Form and SQL
object reference not set to an instance of object in System.Windows.Foms.TabPage
enter image description here how to fix this error