本文整理汇总了C#中System.Web.UI.Design.ExpressionEditor类的典型用法代码示例。如果您正苦于以下问题:C# ExpressionEditor类的具体用法?C# ExpressionEditor怎么用?C# ExpressionEditor使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ExpressionEditor类属于System.Web.UI.Design命名空间,在下文中一共展示了ExpressionEditor类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: EvaluateExpression
//引入命名空间
using System;
using System.Collections;
using System.Collections.Specialized;
using System.CodeDom;
using System.Configuration;
using System.Web.UI.Design;
using System.Web.Compilation;
namespace ExpressionEditorSamples.CS
{
[ExpressionPrefix("CustomAppSettings")]
[ExpressionEditor(typeof(ExpressionEditorSamples.CS.CustomAppSettingsEditor))]
public class CustomAppSettingsBuilder : AppSettingsExpressionBuilder
{
// Use the built-in AppSettingsExpressionBuilder class,
// but associate it with a custom expression editor class.
}
public class CustomAppSettingsEditor : System.Web.UI.Design.ExpressionEditor
{
public override object EvaluateExpression(string expression, object parseTimeData, Type propertyType, IServiceProvider serviceProvider)
{
KeyValueConfigurationCollection customSettings = null;
if (serviceProvider != null)
{
IWebApplication webApp = (IWebApplication)serviceProvider.GetService(typeof(IWebApplication));
if (webApp != null)
{
Configuration config = webApp.OpenWebConfiguration(true);
if (config != null)
{
AppSettingsSection settingsSection = config.AppSettings;
if (settingsSection != null)
{
customSettings = settingsSection.Settings;
}
}
}
}
if (customSettings != null)
{
return customSettings[expression];
}
return expression;
}
}
}
开发者ID:.NET开发者,项目名称:System.Web.UI.Design,代码行数:51,代码来源:ExpressionEditor
注:本文中的System.Web.UI.Design.ExpressionEditor类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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