'For That You Have To Take Richtextbox, because These Effects Can Display In The RichTextBox Not In The Normal TextBox.... 'For Bold Effect : Dim fnt As New Font(RichTextBox1.Font, FontStyle.Bold) RichTextBox1.SelectionFont = fnt 'For Italic Effect : Dim fnt As New Font(RichTextBox1.Font, FontStyle.Italic) RichTextBox1.SelectionFont = fnt 'For Underline Effect : Dim fnt As New Font(RichTextBox1.Font, FontStyle.Underline) RichTextBox1.SelectionFont = fnt 'For Strikeout Effect : Dim fnt As New Font(RichTextBox1.Font, FontStyle.Strikeout) RichTextBox1.SelectionFont = fnt 'For Regular(Without Any Effect) : Dim fnt As New Font(RichTextBox1.Font, FontStyle.Regular) RichTextBox1.SelectionFont = fnt