Answer / pallavi nandula

When you use the Option Explicit statement, you must
explicitly declare all variables using the Dim, Private,
Public, or ReDim statements. If you attempt to use an
undeclared variable name, an error occurs.

VBScript ingeneral doesn't need variable declaration. For
example without using "Dim" a variable can be directly used
for assigning etc. For ex: temp=1

However, such practise can always be error prone. Ex: if i
want to use the same variable in someother statement and
miss spell it,say

tempe=temp+1

VBScript still considers "tempe" as valid. This case if we
use OPTION EXPLICIT On top of our application and proceed
then application will not proceed unless until u declare
each and every variable. Hence u make sure that ur variable
is serving ur purpose.

in this example u recognize that "tempe" is not desired.
Hope this clarifies.

Answer / minni

On the top of the QTP script if u write Option Explicit
that means u r going to define every variable u r going to
define every variable u r using in the script as DIM.
for an example if u want to define an array ......
Option Explicit
Dim A(10)

Answer / ritesh mahendrakar

You can declare variables with the Dim, Public or the
Private statement. Like this:

Dim myname
myname = "ritesh"

However, this method is not a good practice, because you
can misspell the variable name later in your script, and
that can cause strange results when your script is running.

If you misspell for example the "myname" variable
to "mynime", the script will automatically create a new
variable called "mynime". To prevent your script from doing
this, you can use the 'Option Explicit' statement. This
statement forces you to declare all your variables with the
dim, public or private statement.

Put the Option Explicit statement on the top of your
script. Like this:

Option Explicit
Dim myname
myname = "ritesh"

Answer / shilpi

Use Option Explicit to avoid incorrectly typing the name of
an existing variable or to avoid confusion in code where the
scope of the variable is not clear.

when you use Option Explicit statement,you must explicitly
declare all variables using the Dim,Private,Public or ReDim
statements.If you attempt to use an undeclared variable
name,an error occurs.

Answer / vaibhav patil

You can also force the explicit declaration of variables by setting the keyword OPTION EXPLICIT . The <%OPTION EXPLICIT%> statement must appear before VBScript command,otherwise it will be treated as an invalid statement and generate error.

For eg,
<%Language=VBScript%>
<%OPTION EXPLICIT%>

Answer / siva

Hi:
Pallavi, Thank you very much for the elobarate answer.
I got the thing...

Can you also tell me the exact difference between
GUI and UI.

Thank you
Siva..........

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