QTP: How to import data from an excel sheet to qtp data tables

1:'Get  path of files
2:TestCases="D:ApplicationsTestAppAutomationAutomationFramework.xls"
3:TestSteps="D:ApplicationsTestAppAutomationAutomationFramework.xls"
4:TestData="D:ApplicationsTestAppAutomationInputData.xls"


5:'Import test case list
6:datatable.AddSheet "dTestCases"
7:datatable.ImportSheet TestCases,"TestCases","dTestCases"

11:'Import  testcase data
12:datatable.AddSheet "dTestData"
13:datatable.ImportSheet TestData,"TestData","dTestData"