Making decisions with select case, Visual Basic Programming

Assignment Help:

The Select Case structure provides an option to If...Then...Else If for selectively executing one block of statements from amongst multiple blocks of statements. Any Select Case statement gives capability similar to the If...Then...Else statement, however it makes code more efficient & readable.

A Select Case structure works along with a single test expression that is evaluated once, at the top of the structure. Then the result of the expression is compared with the values for each Case in the structure. If there is match, block of statements linked with that Case is executed:

Select Case Document.Form1.CardType.Options(SelectedIndex).Text

Case "MasterCard" Display MC Logo Validate MCA count

Case "Visa" Display Visa Logo Validate Visa Account

Case "American Express"

Display AMEXCO Logo

Validate AMEXCO Account

Case Else Display Unknown Image Prompt Again

End Select

Notice that the Select Case structure evaluates an expression once at the top of the structure. On the contrary, the If...Then...ElseIf structure can evaluate a distinct expression for each Else If statement. You can replace an If...Then...Else If structure along with a Select Case structure only if each Else If statement evaluates the same expression.


Related Discussions:- Making decisions with select case

Operator precedence - vbscript operators, While several operations take pla...

While several operations take place in an expression, each part is evaluated & resolved in a predetermined order called operator precedence. You can employ parentheses to override

Dictionary, how to make dictionary in vb using ms access

how to make dictionary in vb using ms access

Dialog based application, Dialog Based Application: (A) Dialog Based ...

Dialog Based Application: (A) Dialog Based Application to demonstrate Animate Control: 1. Build a dialog based application. 2. Design the dialog as shown. 3. Place

Vb.net applications, outline and explain in detail any 10 applications of v...

outline and explain in detail any 10 applications of vb.net

For next loop - vbscript, You can employ For...Next statements to run a blo...

You can employ For...Next statements to run a block of statements a specific number of times. For loops, employ a counter variable whose value is increased or decreased with each r

Create a visual basic application to play Hangman game, Create a Visual Bas...

Create a Visual Basic that allows a user to play a variation of Hangman. User Inputs The user types a letter into the textbox.   Functional Items 1. Read a

Create an application, 1. Create a new solution file named Ch03HandsOnProje...

1. Create a new solution file named Ch03HandsOnProject1. 2. Rename the form and set the filename of the form to frmMain and frmMain.vb, respectively. 3. Set the appropriate p

Looping, how to make logic of o program and how to use loop

how to make logic of o program and how to use loop

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd