Hi,
Description Object also do the same thing as static way do but there are
some differences.
- Description Object stores the properties and values of a particular
object in an instance of that object. So it become easy to use it in the
statement.
- Description Object are used with ChildObjects (very useful method) of
QTP.
- It's more useful if you are using multiple properties to identify
object. As you will use only instance name in your statement, your code
looks more organized.
- It's very handy if you are using index property for object
identification (we'll discuss later)
Look into following line. It is DP statement, written by Static approach
Browser(“name:=myBro”).page(“title:=myPage”).webbutton(“name:=Enter”,”type:=
Submit”).click
Now let's write the same using Dynamic approach. We see that there are 3
objects in above statement i.e. Browser, Page, webbutton.
Now, first we need to create empty description objects. We'll create 3
object (1 for each object)
Dim oBrowser, oPage, oButton ' declaration is not mandatory but good
practice!
Set oBrowser = Description.Create
Set oPage = Description.Create
Set oButton = Description.Create
Now we'll add identification properties & values to these objects.
oBrowser("name").value = "myBro"
oPage("title").value = "myPage"
oButton("name").value = "Enter"
oButton("type").value = "Submit"
oButton("x").value = "301"
And that's it! Our objects are now ready to use now. So, here we go...
Browser(oBrowser).page(oPage).webbutton(oButton).click
As we can see, we will write only the instance name (oButton) instead of
all properties and values in statement.
Explore the following code to make the things clear...
1. Browser("myBro”).page(“myPage”).webbutton(“Enter”).click - OR
approach
2.
Browser(“name:=myBro”).page(“title:=myPage”).webbutton(“name:=Enter”,”type:=
Submit”).click - Static DP.
3. Browser(oBrowser).page(oPage).webbutton(oButton).click - Dynamic DP
First statement is written using OR approach. For this, objects must be
stored in Object Repository.
Second statement is written using Static DP. All the properties are given
directly in the code. Convenient!!
Third statement is written using Dynamic DP. You need to create a
description for every object.
Please note that any statement can be written by combining all three ways
Browser("myBro").page(“title:=myPage”).webbutton(oButton).click
In above statement, we have used all 3 ways..
Browser - Object Repository
Page - Static DP
webbutton - Dynamic DP
--
*
Thanks & Regards
**Thanigai Kumaran*
On Mon, Aug 1, 2011 at 9:33 AM, Firoz <[email protected]> wrote:
> I folks,
> i new to qtp. advice me why and when we use this code "set
> obj=description.create"
>
> Thanks in advance
>
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