如何使用C＃在Selenium中使用JavaScriptExecutor将样式属性设置为div

Question

I am trying to set style of a div element using JavascriptExecutor using C#. below is the code i tried but nothing happens

IJavaScriptExecutor js = (IJavaScriptExecutor)driver;  
IWebElement element = driver.FindElement(By.XPath("//div[contains(@class,'rmSlide')]"));
js.ExecuteScript("arguments[0].setAttribute(arguments[1], arguments[2])", 
element, "style", 
"visibility: visible;
height: 259px; 
width: 339px;
display: block;
overflow: hidden;
left: -81px;
top: 24px;
z-index: 2; "
);

All I am trying to do is setting the display: block from display: none

Below is the Html of the element

Answer 1

As you are trying to change the attribute display: none; to display: block; you can use the following code block :

IJavaScriptExecutor js = (IJavaScriptExecutor)driver;  
IWebElement element = driver.FindElement(By.XPath("//div[contains(@class,'rmSlide')]"));
var script = "arguments[0].style.display='block';";
js.ExecuteScript(script, element);

Answer 2

I got the code right, just modified and added mouse hover on the element, below is the code.

var element = driver.FindElement(By.XPath("xpathe here"));
Actions action = new Actions(driver);
action.MoveToElement(element).Build().Perform();  

IJavaScriptExecutor js = (IJavaScriptExecutor)driver;  
IWebElement element1 = driver.FindElement(By.XPath("//div[contains(@class,'rmSlide')]"));
js.ExecuteScript("arguments[0].setAttribute('style', 'visibility: visible; height: 259px; width: 339px; display: block; overflow: hidden; left: -81px; top: 24px; z - index: 2; ')", element1);