Intro to XPath -1

XPath

            XML Path used to navigate through to identify the elements / attributes in XML document / HTML document

To understand XPath little bit knowledge of HTML is required

• XPath uses path expressions to navigate in XML / HTML documents
• XPath is a language to find Elements
• XPath also contains a library of standard functions used to identify elements

Sample HTML Code

           

                       

                                   

                                               
……

                                               
……

                                               
……

                                   

                                               
……

                                               
……

                                               
……

                                   

                       

           

In the above code to refer td in 2^nd tr the XPath will look like below

Xpath=/html/body/table/tr[2]/td[1]

or

Xpath=//*[@id=’t1’]/x:tr[2]/x:td[1]

or

Xpath=//table[@id=’t1’]/x:tr[2]/x:td[1]

Sample 2 XML File

  satish

  6000

            

  sarath

  5000

            

  kiran

  8000

            

The below xpath will get all ename elements starting with “sa”

Xpath=//ename[starts-with(.,’sa’)

The below xpath get only ename element  having text “kiran”

Xpath=//ename[text()=”kiran”]

The below xpath will get all emp having sal >5000

            Xpath=//emp[sal>5000]