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//
// System.Web.UI.WebControls.RequiredFieldValidator
//
// Authors:
// Ben Maurer (bmaurer@novell.com)
//
// (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls {
// CAS
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
// attributes
#if NET_2_0
[ToolboxData ("<{0}:RequiredFieldValidator runat=\"server\" ErrorMessage=\"RequiredFieldValidator\"></{0}:RequiredFieldValidator>")]
#else
[ToolboxData ("<{0}:RequiredFieldValidator runat=server ErrorMessage=\"RequiredFieldValidator\"></{0}:RequiredFieldValidator>")]
#endif
public class RequiredFieldValidator : BaseValidator {
protected override void AddAttributesToRender (HtmlTextWriter w)
{
if (RenderUplevel) {
w.AddAttribute ("evaluationfunction", "RequiredFieldValidatorEvaluateIsValid");
w.AddAttribute ("initialvalue", InitialValue);
}
base.AddAttributesToRender (w);
}
protected override bool EvaluateIsValid ()
{
return GetControlValidationValue (ControlToValidate) != InitialValue;
}
#if NET_2_0
[Themeable(false)]
#else
[Bindable(true)]
#endif
[DefaultValue("")]
[WebSysDescription ("")]
[WebCategory ("Behavior")]
public string InitialValue {
get {
return ViewState.GetString ("InitialValue", "");
}
set {
ViewState ["InitialValue"] = value;
}
}
}
}
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