DataBinding.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / DataBinding.cs / 1305376 / DataBinding.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 */ 

namespace System.Web.UI { 

    using System;
    using System.ComponentModel;
    using System.ComponentModel.Design; 
    using System.Data;
    using System.Globalization; 
    using System.Security.Permissions; 
    using System.Web.Util;
 

    /// 
    ///    Enables RAD designers to create data binding expressions
    ///       at design time. This class cannot be inherited. 
    /// 
    public sealed class DataBinding { 
 
        private string propertyName;
        private Type propertyType; 
        private string expression;


        ///  
        /// Initializes a new instance of the  class.
        ///  
        public DataBinding(string propertyName, Type propertyType, string expression) { 
            this.propertyName = propertyName;
            this.propertyType = propertyType; 
            this.expression = expression;
        }

 

        ///  
        ///    Indicates the data binding expression to be evaluated. 
        /// 
        public string Expression { 
            get {
                return expression;
            }
            set { 
                Debug.Assert((value != null) && (value.Length != 0),
                             "Invalid expression"); 
                expression = value; 
            }
        } 


        /// 
        ///    Indicates the name of the property that is to be data bound against. This 
        ///       property is read-only.
        ///  
        public string PropertyName { 
            get {
                return propertyName; 
            }
        }

 
        /// 
        ///    Indicates the type of the data bound property. This property is 
        ///       read-only. 
        /// 
        public Type PropertyType { 
            get {
                return propertyType;
            }
        } 

 
        ///  
        ///     DataBinding objects are placed in a hashtable representing the collection
        ///     of bindings on a control. There can only be one binding/property, so 
        ///     the hashcode computation should match the Equals implementation and only
        ///    take the property name into account.
        /// 
        public override int GetHashCode() { 
            return propertyName.ToLower(CultureInfo.InvariantCulture).GetHashCode();
        } 
 

        ///  
        /// 
        public override bool Equals(object obj) {
            if ((obj != null) && (obj is DataBinding)) {
                DataBinding binding = (DataBinding)obj; 

                return StringUtil.EqualsIgnoreCase(propertyName, binding.PropertyName); 
            } 
            return false;
        } 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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