StringArrayConverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / StringArrayConverter.cs / 2 / StringArrayConverter.cs
                        

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

namespace System.Web.UI.WebControls { 
 
    using System.ComponentModel.Design;
    using System; 
    using System.ComponentModel;
    using System.Collections;
    using System.Globalization;
    using System.Security.Permissions; 

    // 
 

    ///  
    ///    Converts a string separated by commas to and from
    ///       an array of strings.
    /// 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    public class StringArrayConverter : TypeConverter { 
 
        /// 
        ///    Determines if the specified data type can be converted to an array of strings.  
        /// 
        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
            if (sourceType == typeof(string)) {
                return true; 
            }
            return false; 
        } 

 
        /// 
        ///    Parses a string  separated by
        ///       commas into an array of strings. 
        ///  
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) {
            if (value is string) { 
                if (((string)value).Length == 0) { 
                    return new string[0];
                } 

                // hard code comma, since it is persisted to HTML
                //
                string[] names = ((string)value).Split(new char[] {','}); 
                for (int i=0; i
        ///     Creates a string separated 
        ///       by commas from an array of strings. 
        /// 
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { 
            if (destinationType == typeof(string)) {

                if (value == null) {
                    return String.Empty; 
                }
                // hard code comma, since it is persisted to HTML 
                // 
                return string.Join(",", ((string[])value));
            } 
            throw GetConvertToException(value, destinationType);
        }
    }
}

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