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Design and develop a program that validates the value a user enters into a TextBox control to ensure that the entry is a valid telephone number. The application should accept a maximum of 12 characters. When the user clicks a button, the program should determine if the entry is of the form 999-999-9999, where the character 9 represents any number.
If the entry is determined to be a telephone number, display an appropriate message, along with the separate substrings that compose the telephone number without the dashes. If the entry is not a telephone number, then display a message as to the reason why the entry is not a valid telephone number, clear the TextBox control and set focus to the TextBox control. Use String class methods to solve the problem.
I have completed a version of my own. I want to compare code to the response to see if I am correct with my version. and for use in one of my own programs for website information gathering.
What signal-to-noise ratio is required to put a T1 carrier on a 50-kHz line.
express pros and cons of working with multiple tables.
Write down a level order traversal that does every level of the binary tree before moving on to the next level. Starting with the root add the children nodes to list.
create the class, and also write a test program that creates two points (0, 0) and (10, 30.5) and displays the distance between them.
Express each of these testing methods, unit, system, integration, user acceptance and regression testing.
I am having difficulty with the following questions: Differentiate between a two-tier client/server system and a three-tier client/server system. Why would a firm select one of these approaches over the other when implementing a client/server syst..
Program on Inline internal procedures deposit and withdraw.
Explain whether the following sets closed under following operations? Justify your answer. If a set is not closed under operation, what is its closure under the operation.
why The pivot is then moved to the end and partition is performed, then after the partition, the pivot moves to its rightful place.
Discuss what do you meant by the project management process in detail? Also state and describe the six project steps, its application to the technology projects.
Explain what kind of network you are on at work or at home. If you do not have access to a network, ask a friend or family member to explain the type of network they have access to.
You have been asked to develop a LAN with operation over the distance of around 100m. Compare and contrast the twisted pair cable, fiber-optics, and wireless for this application.
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