ZennoLab Assemblies Documentation
FindChildByXPath Method
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ZennoLab.CommandCenter Assembly > ZennoLab.CommandCenter Namespace > HtmlElement Class : FindChildByXPath Method
xpath

Type: System.String

XPath for search the element.

number

Type: System.Int32

The document address.

Glossary Item Box

Searches for an element among the children by the xpath.

Syntax

C# 
public HtmlElement FindChildByXPath( 
   string xpath,
   int number
)

Parameters

xpath

Type: System.String

XPath for search the element.

number

Type: System.Int32

The document address.

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 FindChildByTag method.
C#Copy Code
public static int Execute(Instance instance, IZennoPosterProjectModel project)
{
    // 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 element by id
    HtmlElement he = tab.FindElementById("main");
    if (he.IsVoid) return -2;
            
    // find child element by xpath
    HtmlElement heCh = he.FindChildByXPath("div[@id]", 0);
    if (heCh.IsVoid) return -3;
            
    return 0;
}
PHPCopy Code
public static function Execute($instance, $project)
{
    // clear cookie
    $instance->ClearCookie();
    
    // go to lessons.zennolab.com
    $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 element by id
    $he = $tab->FindElementById("main");
    if ($he->IsVoid) return -2;
    
    // find child element by xpath
    $heCh = $he->FindChildByXPath("div[@id]", 0);
    if ($heCh->IsVoid) return -3;
            
    return 0;
}

Requirements

Target Platforms: Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

See Also

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