How to: Set the Text Displayed by a Windows Forms Control
Windows Forms controls usually display some text that is related to the primary function of the control. For example, a Button control usually displays a caption indicating what action will be performed when the button is clicked. For all controls, you can set or return the text by using the Text property. You can change the font by using the Font property. You can also set the text using the designer. Also see How to: Create Access Keys for Windows Forms Controls Using the Designer, How to: Set the Text Displayed by a Windows Forms Control Using the Designer, How to: Set the Image Displayed by a Windows Forms Control Using the Designer.
To set the text displayed by a control programmatically
Set the Text property to a string.
To create an underlined access key, includes an ampersand (&) before the letter that will be the access key.
button1.Text = "Click here to save changes"; button1.Font = new Font("Arial", 10, FontStyle.Bold, GraphicsUnit.Point);
You can use an escape character to display a special character in user-interface elements that would normally interpret them differently, such as menu items. For example, the following line of code sets the menu item's text to read "& Now For Something Completely Different":