' Following codes will underline the 1st "l" character in the text
' which is the letter "l" in the word "Underlined"
Me.WebImageButton1.Text = "Underlined Letter"
Me.WebImageButton1.AccessKey = "L"
Me.WebImageButton1.UnderlineAccessKey = True
' Below is alternative example to underline not 1st (any) character in text.
' Following codes will underline the "L" character in word text.
Me.WebImageButton1.Text = "Underlined <u>L</u>etter"
Me.WebImageButton1.AccessKey = "L"
Me.WebImageButton1.UnderlineAccessKey = False
' Below is an example to break text on 3 lines and show 2nd line in bold and 3rd line in italic font.
Me.WebImageButton1.Text = "Normal 1st line<br><b>Bold text</b><br><i>Italic text</i>"
' Notes:
' If any html-format-tags are used for the Text property, then it
' will distroy the ability to set text of button on the client side.
' If codes above are written within aspx, then it reduces the size of hidden ViewState passed to client