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//
// System.Web.UI.WebControls.FormParameter
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
//
// (C) 2003 Ben Maurer
//
//
// 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.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Text;
using System.ComponentModel;
namespace System.Web.UI.WebControls
{
[DefaultPropertyAttribute ("FormField")]
public class FormParameter : Parameter
{
public FormParameter () : base ()
{
}
protected FormParameter (FormParameter original) : base (original)
{
this.FormField = original.FormField;
}
public FormParameter (string name, string formField) : base (name)
{
FormField = formField;
}
public FormParameter (string name, TypeCode type, string formField) : base (name, type)
{
FormField = formField;
}
public FormParameter (string name, DbType dbType, string formField) : base (name, dbType)
{
FormField = formField;
}
protected override Parameter Clone ()
{
return new FormParameter (this);
}
protected internal
override object Evaluate (HttpContext context, Control control)
{
HttpRequest req = context != null ? context.Request : null;
if (req == null)
return null;
return req.Form [FormField];
}
[DefaultValueAttribute ("")]
public string FormField {
get {
string s = ViewState ["FormField"] as string;
if (s != null)
return s;
return String.Empty;
}
set {
if (FormField != value) {
ViewState ["FormField"] = value;
OnParameterChanged ();
}
}
}
}
}
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