Create an application, using the following names for the solution and project, r

Question

Create an application, using the following names for the solution and project, respectively: Zander Solution and Zander Project. Save the application in the VB2015 Chap05 folder. Create the interface shown in Figure 5-71. The text box should accept only numbers, the period, and the Backspace key. It also should have its existing text selected when it receives the focus. The amounts in the Shipping and Total due boxes should be cleared when a change is made to any of the input items (i.e., price, region, or delivery). The application should display the appropriate shipping charge and total due. The shipping charges are included in Figure 5-71. The total due is calculated by adding together the price and the shipping charge. Only calculate the shipping charge and total due when the contents of the text box can be converted to a number; otherwise, display an appropriate message. (Hint: Although you are allowing the text box to accept only numbers, the period, and the Backspace key, the user might inadvertently enter more than one period in the price. An entry that contains more than one period cannot be converted to a number.) Test the application appropriately.

Region 1 2 3 4

Standard delivery charge ($) 4.99 6.99 7.99 2.99

Overnight delivery: add $10 to the standard delivery charge

Two-day delivery: add $5 to the standard delivery charge

Explanation / Answer

design the form

in code window , write the code as describe below

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