从包含特定 Css-Value 的 HTML-Code 中获取每个 ID

Question

Im trying to get every ID from HTML-Code which contains certain Css-Value and write them into a List.

I already can get the first ID by using:

List<string> MyList = new List<string>();
int Count = driver.FindElements(By.TagName("My_Value")).Count;

for(int i=0; i<Count; i++)
{
     string ID = driver.FindElement(By.CssSelector("div.My_Value")).GetAttribute("id");

     MyList.Add(ID);
}

The problem is, that i always get the first ID from the HTML-Code althoug MyValue exist in different ID´s. So how can i tell the programm to 'Jump' the allready checked Values?.

Answer 1

The code looks fine, but it is not running a loop, as you say it is finding the 1st element that matches your criteria, then is complete. To get all of them, try:

string ID = driver.FindElements(By.CssSelector("div.My_Value")).GetAttribute("id");

Not tried this myself, but give it a go

Answer 2

If you are constructing the list using By.TagName("My_Value") only the <My_Value> elements will be collected and put into the list, ie

<My_Value>class="foo bar"...</My_Value> 

Moving forward, within the loop FindElement(By.CssSelector("div.My_Value")) identifies only the <div> elements with class attribute as My_Value ie

<div>class="My_Value"...</div>

So the outer FindElements() and innerloop FindElement() doesn't match. Hence you don't get all the values.

---

Solution

To iterate over all the collected list elements you need to use:

string ID = driver.FindElement(By.TagName("My_Value")).GetAttribute("id");

Answer 3

I figured it out.

You have to use a var variable to safe all the element´s. And get the ID´s through a foreach Loop.

List<string> MyList = new List<string>();

var ID = driver.FindElement(By.CssSelector("div.My_Value"));

foreach(IWebElement element in ID)
{
     element.GetAttribute("id")
     MyList.Add(ID);
}