英文:
C# Selenium findElements by XPath returns null
问题
IList<IWebElement> firstname = driverOne.FindElements(By.XPath("//*[@id="+ ((char)34) + "4cd85da6-f2d1-4361-9864-e187dc763f9b" + ((char)34) + "]"));
我尝试使用上面的代码从下面的HTML中获取元素，但它返回null，因为每次重新加载页面时XPath会更改，因为元素是通过Angular随机创建的，我认为。
<input id="0bad9cfd-028d-404c-a498-17a3f5f1ae81" type="text" data-test="first-name-input" placeholder="" class="ng-untouched ng-pristine ng-invalid"><!----><!---->
我还尝试使用Id和CSS选择器，但在重新加载后一切都会更改，所以我不知道该怎么办...
那么，我该如何获取这个元素？
英文:
IList<IWebElement> firstname = driverOne.FindElements(By.XPath("//*[@id="+ ((char)34) + "4cd85da6-f2d1-4361-9864-e187dc763f9b" + ((char)34) + "]"));
I tried this go get the element from the HTML below, but it returns null, because everytime I reload the page the XPath gets changed, because the element gets created randomly from Angular, I think.
<input id="0bad9cfd-028d-404c-a498-17a3f5f1ae81" type="text" data-test="first-name-input" placeholder="" class="ng-untouched ng-pristine ng-invalid"><!----><!---->
I also tried to do it with the Id and the CSS-Selector, but everything is changed after a reload, so I dont know what do...
So how can I get the Element?
答案1
得分: 0
"try using data-test maybe?"
firstname = driver.FindElement(By.XPath("//*[@data-test='first-name-input']"));
英文:
try using data-test maybe?
firstname =driver.FindElement(By.XPath("//*[@data-test='first-name-input']"));
答案2
得分: 0
当你严格地为HTML标签分配一个ID，如：
<h1 id="test"></h1>
在Angular渲染过程后，ID将不会改变。你可以为需要访问的每个元素添加ID。
英文:
When you assign an ID to html tag strictly like:
<h1 id="test"> </h1>
ID will not change after Angular rendering process. You can add Id's to every element you need to access.
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