Check/Uncheck checkBoxes

Question

Hello I have several check boxes on one the form and I want to implement a code that check/uncheck all the check boxes once I click on the command button. The default status of all the check boxes is Checked.

Hussain Ahmed · Answer

Dear try this: Checked All Button: foreach (Control control in this.Controls) { if (control is CheckBox) ((CheckBox)(control)).Checked = true; } Unchecked All Button: foreach (Control control in this.Controls) { if (control is CheckBox) ((CheckBox)(control)).Checked = false; }