ZennoLab Assemblies Documentation
QuerySelector Method (Document)
Example 
ZennoLab.CommandCenter Namespace > Document Class : QuerySelector Method

Type: System.String

Css selector for search the element.

Type: System.Int32

The item number in a collection of matching items. Default value is 0.

Searches for an element by the xpath.
Syntax
public HtmlElement QuerySelector( 
   string selector,
   int number
)

Parameters

selector

Type: System.String

Css selector for search the element.

number

Type: System.Int32

The item number in a collection of matching items. Default value is 0.

Return Value

Type: Zennolab.CommandCenter.HtmlElement

The first element that matches the conditions defined by the tag, if found; otherwise, the result is void.

Remarks
If html element was not found then this method returns the HtmlElement object in which IsVoid or IsNill property is "true".
Example
The following code example demonstrates uses of the FindElementByTag method.
// clear cookie
instance.ClearCookie();
            
// go to lessons.zennolab.com
Tab tab = instance.MainTab;
if ((tab.IsVoid) || (tab.IsNull)) return -1;
if (tab.IsBusy) tab.WaitDownloading();
tab.Navigate("lessons.zennolab.com", "");
if (tab.IsBusy) tab.WaitDownloading();
            
// find html element by css selector
var he = tab.MainDocument.QuerySelector(".inputs", 1);
if (he.IsVoid) return -2;
he.Click();
Requirements

Target Platforms: Desktop: Windows XP SP3 and older. Server: Windows Server 2003 and older.

See Also

Reference

Document Class
Document Members
FindElementByAttribute Method
FindElementById Method
FindElementByName Method
FindElementByXPath Method
FindElementsByAttribute Method
FindElementsById Method
FindElementsByName Method
FindElementsByTags Method
FindElementsByXPath Method
QuerySelectorAll Method