C# Fire Combobox SelectedIndexChanged with button code-behind - 27.05.18 | 30.08.20 - ErcanOPAK myComboBox_SelectedIndexChanged(myComboBox, new EventArgs()); // or (null, null) Related posts:Define a Default Value when insert New Record From ASPxGridViewHow to make the default class type 'public' instead of 'internal' in Visual StudioImportant Tips To Write Clean Code In C# from Debendra DashNull-Conditional (?) and Null-Coalescing (??) Operators in C# Post Views: 158