Recently I’ve been playing around with a webbrowser control to automate my interaction with a website for testing purposes. I am using C# and DOT NET.
I found it a bit difficult to change the value of an HTML combobox (i.e. dropdown), but as it turns out it’s rather easy.I used the following code to change the value of a combobox named: “test” to the value 12.
foreach (HtmlElement el in webBrowser1.Document.GetElementsByTagName("select"))
{
if (el.Name == "test")
{
foreach (HtmlElement comboItem in el.Children)
{
Console.WriteLine(comboItem.InnerText + " " + comboItem.GetAttribute("Selected"));
if (comboItem.InnerText == "12")
{
comboItem.SetAttribute("Selected", "True");
}
}
}
}
This code was used for the following HTML:
<select name=”test”><option value=”10″ SELECTED>10</option><option value=”11″>11</option><option value=”12″>12</option><option value=”13″>13</option><option value=”14″>14</option></select>
foreach (HtmlElement el in webBrowser1.Document.GetElementsByTagName("input"))
{
if (el.Name.ToLower() == "submit")
{
el.InvokeMember("click");
}
}
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