How to press Keyboard in selenium webdriver?

In this article we are going to see the functions for keyboard's keypass key events. I am using c# in vs2010.
Before starting , please follow my previous posts for initial setup.

To find an element we use
driver.FindElement(By.XPath("String"));
if we add send keys as keyboard command, then we can use keyboard event with the element that we found. like
driver.FindElement(By.XPath("String")).SendKeys(Keys.ArrowRight);
Here, "string" is the Xpath loaction. And on the element that we have found, keyboard's Arrow left will be pressed.

Like that following keys can be pressed
-For the number pad addition key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Add);
-For the Alt key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Alt);
-For the Left arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.ArrowDown);
-For the left arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.ArrowLeft);
-For the right arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.ArrowRight);
-For the up arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.ArrowUp);
-For the Backspace key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Backspace);
-For the Cancel keystroke.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Cancel);
-For the Clear keystroke.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Clear);
-For the function key COMMAND.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Command);
-For the Control key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Control);
-For the number pad decimal separator key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Decimal);
-For the Delete key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Delete);
-For the number pad division key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Divide);
-For the Left arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Down);
-For the End key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.End);
-For the Enter key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Enter);
-For the equal sign key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Equal);
-For the Escape key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Escape);
-For the function key F1.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F1);
-For the function key F10.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F10);
-For the function key F11.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F11);
-For the function key F12.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F12);
-For the function key F2.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F2);
-For the function key F3.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F3);
-For the function key F4.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F4);
-For the function key F5.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F5);
-For the function key F6.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F6);
-For the function key F7.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F7);
-For the function key F8.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F8);
-For the function key F9.
driver.FindElement(By.XPath("String")).SendKeys(Keys.F9);
-For the Help keystroke.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Help);
-For the Home key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Home);
-For the Insert key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Insert);
-For the left arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Left);
-For the Alt key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.LeftAlt);
-For the Control key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.LeftControl);
-For the Shift key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.LeftShift);
-For the function key META.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Meta);
-For the number pad multiplication key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Multiply);
-For the NUL keystroke.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Null);
-For the number pad 0 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad0);
-For the number pad 1 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad1);
-For the number pad 2 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad2);
-For the number pad 3 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad3);
-For the number pad 4 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad4);
-For the number pad 5 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad5);
-For the number pad 6 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad6);
-For the number pad 7 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad7);
-For the number pad 8 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad8);
-For the number pad 9 key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.NumberPad9);
-For the Page Down key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.PageDown);
-For the Page Up key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.PageUp);
-For the Pause key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Pause);
-For the Return key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Return);
-For the right arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Right);
-For the semi-colon key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Semicolon);
-For the number pad thousands separator key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Separator);
-For the Shift key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Shift);
-For the Space bar key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Space);
-For the number pad subtraction key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Subtract);
-For the Tab key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Tab);
-For the up arrow key.
driver.FindElement(By.XPath("String")).SendKeys(Keys.Up);

For multiple key press :
First, get the ascii code for the key. For example if we want to press Ctrl-A, it should be 0001. The full list is here (or here). First assign a character(c) to the value and then convert that as string inside send key.
char c = '\u0001'; // ASCII code 1 for Ctrl-A
driver.FindElement(By.XPath("String")).SendKeys(Convert.ToString(c));

---------------Another way works in Java---------------
Make a action instance and use action instance . Inhere, we have used 3type of method to press three different key , and as they are different from each other, it will make 3 key press together.(means in here Alt+Shift+T)
Actions kpress = new Actions(driver);
kpress.keyDown(driver.findElement(By.id("name")), Keys.ALT).perform(); kpress.sendKeys(driver.findElement(By.id("name")), "T").perform();
kpress.keyUp(driver.findElement(By.id("name")),Keys.SHIFT).perform();

...Thanks....:)...

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