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Dim Statement

Posted on 2011-02-27
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Last Modified: 2014-06-27
I need a procedure to store the name of an item in inventory and its height and weight.  The height may have a decimal place ; the weight will be whole numbers only.  Write appropriate Dim statements to declare the necessary procedure-level variables.
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Question by:RM0517
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oleggold earned 168 total points
ID: 34992857
syntax of dim statement is
dim varname integer;
or
dim varname ;
We can write exact statement for You as it's against the rules
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by:Mike Tomlinson
Mike Tomlinson earned 166 total points
ID: 34992942
Here are the data types in VB.Net:
http://msdn.microsoft.com/en-us/library/47zceaw7(VS.71).aspx

The keywords in your problem statement are:
The name of an inventory item.
Height may have a decimal place.
Weight will be whole numbers.

Which data types best fit these needs?
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Assisted Solution

by:JT92677
JT92677 earned 166 total points
ID: 34994480
You are describing a "record" -- a type of variable that contains your date

Private Type InventoryType
    ID As Integer
    Weight as real
    Height as real
    Description as As String * 50
End Type

Dim InventoryItem As Inventory Type


you would then access the parts of the record e.g.
 
  InventoryItem.ID = 4324
  InventoryItem.Description = "This is a nail"
  InventoryItem.Weight

etc.

or using the With / end With block

   with InventoryItem
      id = 2342
      description = "this is a nail"
      weight = 3.4
   end with

Bottom line -- you are describing a "RECORD" type and need to keep the various attributes (description, weight, height, etc.) in a single record structure or record type.

Then you can create instances of the record using the DIM statement.

Hope this points you in the right direction

jeff
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Expert Comment

by:JT92677
ID: 35003539
Any guess as to whether RM0517  will assign points to an answer?

The issue is about record types, but I don't see a solution to the "write a procedure" question, hopefully I haven't broken a rule by posting info on record types and how to access the fields within the record.

Ask a question, get an answer, didn't know about the homework rules, sorry. But don't think my suggestoins are a "complete solution" ??

Jeff
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