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<form action="http://www.xxx.cn/login.aspx" method="post"
name="form1" id="form1">
<input type="hidden" name="username" id="username" />
<input type="hidden" name="password" id="password" />
<input type="submit" name="submit" id="submit" value="Submit" />
</form>
<script type="text/javascript">
function test() {
document.getElementById("username").value = "aaa";
document.getElementById("password").value = "bbb";
alert(document.getElementById("username").value);
alert(document.getElementById("password").value);
}
</script>
public class InputHidden : System.Web.UI.Control
{
private AttributeCollection attrs;
public AttributeCollection Attributes
{
get { return attrs; }
}
public string Name
{
get { return attrs["name"]; }
set { attrs["name"] = value; }
}
public string Value
{
get { return attrs["value"]; }
set { attrs["value"] = value; }
}
public InputHidden()
{
attrs = new AttributeCollection(base.ViewState);
attrs.Add("type", "hidden");
}
protected override void Render(HtmlTextWriter writer)
{
writer.WriteBeginTag("input");
attrs.Render(writer);
writer.Write(" />");
}
}