1.How I can plus “textbox1” value and “textbox2” value to result in “textbox3” when click “ok1” button. 2.How I can Subtract “textbox_1” value and “textbox_2” v...
Currently, the value entered in BoxA is subtracted from the value of BoxB. This means you could enter a number that exceeds the value in BoxB, resulting in a ne...