FindChildByAttribute Method

Searches for an element among the children by the attribute, and returns the first occurrence.

Syntax

public HtmlElement FindChildByAttribute( 
   string tags,
   string attrName,
   string attrValue,
   string searchKind,
   int number
)

Parameters

tags

Type: System.String

Tags for search the element. If the count of tags is more than one then they are through ";".

attrName

Type: System.String

The attribute name.

attrValue

Type: System.String

The attribute value.

searchKind

Type: System.String

This parameter can take the following values: "text", "notext" and "regexp".

number

Type: System.Int32

The document address.

Return Value

Type: Zennolab.CommandCenter.HtmlElement

The first element that matches the conditions defined by the attribute, 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 FindChildByAttribute method.

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");
    
    // find child element by attribute
    HtmlElement heCh = he.FindChildByAttribute("input:checkbox", "fulltag", "input:checkbox", "text", 0);
    
    return 0;
}

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");
    
    // find child element by attribute
    $heCh = $he->FindChildByAttribute("input:checkbox", "fulltag", "input:checkbox", "text", 0);
    
    return 0;
}

Requirements

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

Reference

HtmlElement Class
HtmlElement Members
FindChildById Method
FindChildByName Method
FindChildByTag Method
FindChildByXPath Method
FindChildrenByAttribute Method
FindChildrenById Method
FindChildrenByName Method
FindChildrenByTags Method
FindChildrenByXPath Method
GetValue Method
GetAttribute Method
GetSelectedItems Method
RiseEvent Method
SetAttribute Method
SetSelectedItems Method
SetValue Method