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a question on asp.net grid

i have a grid and in the footer i have 4 textboxes say length, breadth height and cube.now when i enter length ,breadth and height and when all three text boxes are populated and when i change the focus to the cube textbox i need to get the product of the values in the length ,breadth and height text box.Can u please give me the code

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Nov 19 '05 #1
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