>my form has a control text box with data value 0,
>when user want to key in value 1 and click other control box (without press enter)
>the text box gives me value 10
>how to get the correct input value even user does not press enter ?

Do you have InputMask set for the textbox? I usually remove the InputMask in the GotFocus of the textbox and restore in the LostFocus.