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//
// System.Web.UI.WebControls.CompareValidator.cs
//
// Authors:
// Gaurav Vaish (gvaish@iitk.ac.in)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Gaurav Vaish (2002)
// (C) 2003 Andreas Nahr
//
using System;
using System.Web;
using System.Web.UI;
using System.ComponentModel;
namespace System.Web.UI.WebControls
{
[ToolboxData("<{0}:CompareValidator runat=\"server\""
+ "ErrorMessage=\"CompareValidator\"></{0}:CompareValidator>")]
public class CompareValidator: BaseCompareValidator
{
public CompareValidator()
{
// Intitalize();
}
[DefaultValue (""), WebCategory ("Behavior")]
[TypeConverter (typeof (ValidatedControlConverter))]
[WebSysDescription ("The ID of a control that is compared.")]
public string ControlToCompare
{
get
{
object o = ViewState["ControlToCompare"];
if(o!=null)
return (string)o;
return String.Empty;
}
set
{
ViewState["ControlToCompare"] = value;
}
}
[DefaultValue (typeof (ValidationCompareOperator), "Equal"), WebCategory ("Behavior")]
[WebSysDescription ("The operator that is used for comparison.")]
public ValidationCompareOperator Operator
{
get
{
object o = ViewState["Operator"];
if(o!=null)
return (ValidationCompareOperator)o;
return ValidationCompareOperator.Equal;
}
set
{
if(!System.Enum.IsDefined(typeof(ValidationCompareOperator), value))
throw new ArgumentException();
ViewState["Operator"] = value;
}
}
[DefaultValue (""), Bindable (true), WebCategory ("Behavior")]
[WebSysDescription ("The value that is compared to.")]
public string ValueToCompare
{
get
{
object o = ViewState["ValueToCompare"];
if(o!=null)
return (string)o;
return String.Empty;
}
set
{
ViewState["ValueToCompare"] = value;
}
}
protected override bool EvaluateIsValid ()
{
string ctrl = GetControlValidationValue (ControlToValidate);
if (ctrl == null || ctrl.Length == 0)
return true;
string cmp;
if (ControlToCompare.Length > 0) {
cmp = GetControlValidationValue (ControlToCompare);
} else {
cmp = ValueToCompare;
}
return Compare (ctrl, cmp, Operator, Type);
}
}
}
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