Problem on HTML agility pack

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hello dear friend. i have a serious problem with Html Agility Pack. please see my code:

C#

Dim Scr1 As New HtmlWeb()
Dim Url1 = Scr1.Load("https://www.linkedin.com/in/ladan-sahraei-14461b34?authType=OUT_OF_NETWORK&authToken=tK-W&locale=en_US&srchid=4367283831473659871577&srchindex=1&srchtotal=6693647&trk=vsrp_people_res_name&trkInfo=VSRPsearchId%3A4367283831473659871577%2CVSRPtargetId%3A120972292%2CVSRPcmpt%3Aprimary%2CVSRPnm%3Afalse%2CauthType%3AOUT_OF_NETWORK")
Dim ournone As HtmlNode = Url1.DocumentNode.SelectSingleNode("//span[@class='full-name']")
Response.Write(ournone.InnerHtml)

when i run this code i have a poblem:

C#

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

when i save content of the page in a html file and run code again it work well.

C#

Dim Scr1 As New HtmlWeb()
Dim Url1 = Scr1.Load("http://localhost:21374/HtmlPage.html")
Dim ournone As HtmlNode = Url1.DocumentNode.SelectSingleNode("//span[@class='full-name']")
Response.Write(ournone.InnerHtml)

what is problem?

What I have tried:

problem on Html Agility Pack. please help me

Posted 11-Sep-16 20:29pm

abolfazl133

Updated 11-Sep-16 21:59pm

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abolfazl133 · Answer 1 · 2016-09-11T21:59:00

hello dear friend. i have a serious problem with Html Agility Pack. please see my code:

the first code when run on a saved file on system work correct but not work with the same content in a online url and return empty values:

is work empty value!

C#

Dim Scr1 As New HtmlWeb()
Dim Url1 = Scr1.Load("https://www.linkedin.com/in/ladan-sahraei-14461b34?authType=OUT_OF_NETWORK&authToken=tK-W&locale=en_US&srchid=4367283831473659871577&srchindex=1&srchtotal=6693647&trk=vsrp_people_res_name&trkInfo=VSRPsearchId%3A4367283831473659871577%2CVSRPtargetId%3A120972292%2CVSRPcmpt%3Aprimary%2CVSRPnm%3Afalse%2CauthType%3AOUT_OF_NETWORK")
Dim ournone As HtmlNode = Url1.DocumentNode.SelectSingleNode("//span[@class='full-name']")
Response.Write(ournone.InnerHtml)

is work correct!

C#

Dim Scr1 As New HtmlWeb()
Dim Url1 = Scr1.Load("http://localhost:21374/HtmlPage.html")
Dim ournone As HtmlNode = Url1.DocumentNode.SelectSingleNode("//span[@class='full-name']")
Response.Write(ournone.InnerHtml)