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This section will discuss the fundamentals of VBScript and define concepts such as datatypes, loops and others.
VBScript Data Types
VBScript contain only one data type called a Variant. A Variant is a special type of data type which can contain distinct kinds of information, based on how it is used. Since Variant is the only data type in VBScript, this is also the data type returned through all functions in VBScript.
At its simplest, a Variant can have either string or numeric information. A Variant acts as a number while you employ it in a numeric context and string while you employ it in a string context. That is, if you are working along with data that looks like numbers, VBScript suppose that it is a number and does whatever is most suitable for numbers. Likewise, if you are working with data which can only be string data, VBScript treats it like string data. Always you can make numbers behave as strings through enclosing them in quotation marks (" ").
You can employ until keyword in two ways to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following Chk
Variant Type: If no data type is related with the VB variables, it takes the default variant type. The variable x will be of the variant type when the two declarations below a
Deleting Records: To remove a record use the Delete method. To delete the record from the customer table follow the coding as shown below: data1.RecordSource = "Customer"
Function IsPalindrome(str) Dim iStart,iEnd,ctr,blnPalin str=trim(str) blnPalin=true iEnd=len(str) iCnt=round(iEnd / 2) iStart=1 for ctr=1 to cint(iCnt) if(mid(str,iEnd,
Record Set: The record set presents the records in a base table or the records retrieved due to the query. The record set falls into 3 classes. These are table type record set
Variables must always be described with the smallest scope possible. VBScript variables can have the given scope. Scope Where Variable is Declared
Data types: The New data types were defined by using the typedef or #define statements. This was to allow the transition from 16 bit to 32 bit system. Some of the fresh data t
Write a program that permits the user to order a product from inventory. The user selects the product and enters the quantity. If there is sufficient quantity on hand of the produc
Retrieval Methods: There are 3 ways to find a document. The primary method is a positional retrieval. This is achieved by keeping in mind where you left it. The next method is
You declare variables explicitly in script via the Dim statement, the Public statement, & the Private statement. For illustration: Dim DegreesFahrenheit You declare multiple
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