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I am new in using selenium web driver. Can you help me which Element should I use? Here is the code.

<a class="btn btn-sm blue" data-toggle="dropdown">
  <i class="fa fa-gear"></i>
  <i class="fa fa-angle-down "></i>
</a>

I've already tried the class which is class="btn btn-sm blue" and its xpath

//*[@id="grdEmails"]/table/tbody/tr[1]/td[8]/div/a 

but none of this has been work.

I commit error whenever I run my script using C# language and it say "IllegalLocatorException". I've tried a lot of classes/xpath/id etc(which I know it doesn't appropriate to use just to work my script). Can somebody help me to solve this?

driver.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(10));
IWebElement btnAction = driver.FindElement(By.ClassName("btn btn-sm blue"));
btnAction.Click();
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  1. I think the By.ClassName does not support spaces in the selector.
  2. If the element is a new window, you first need to switchTo() the window, see this for an example

Try:

driver.findElement(By.cssSelector("a[class='btn btn-sm blue']"));

Or

driver.findElement(By.xpath("//a[contains(@class, 'btn') and contains(@class, 'btn-sm') and contains(@class, 'blue')]"));
| improve this answer | |
  • By.ClassName does support spaces but you must use "" instead of '' eg public static By scrollbarValue = By.xpath("//div[@class='nav-drop-down show']/div"); – ECiurleo Dec 18 '15 at 8:44
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Try using below code

WebElement button = driver.findElement(By.xpath("//a[@class='btn btn-sm blue']"));
button.click(); // Click on button or any other action which you want to perform on button
| improve this answer | |
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Your class locator isn't working because that element has several different classes; they're separated by spaces in the html. If the best way to identify that element on your screen is by checking all the classes, then you can do with a css selector like this:

driver.findElement(By.cssSelector("a.btn.btn-sm.blue']"));

Notice the dots between the class names; that is telling webdriver to find an a element which has the class btn and has the class btn-sm and has the class blue.

| improve this answer | |
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Try this:
Finding element by css-selector:

driver.findElement(By.cssSelector("a.btn.btn-sm.blue']"));

Finding element by xpath:

driver.findElement(By.xpath(//a[@class="btn btn-sm blue"]));
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// Modal popup button click pass the element xpath
    public void modalPopClickButtonByXpath(String sChildXpath) {

        driver.switchTo().activeElement();
        waitUntilElementVisibleByXpath(sChildXpath);
        WebElement button = driver.findElement(By.xpath(sChildXpath));
        button.click();
    }

// Checking for Visibility of element
    public void waitUntilElementVisibleByXpath(String sXpath) {
            WebDriverWait wait = new WebDriverWait(driver, 180);
            wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath(sXpath)));
        }
| improve this answer | |

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