undefconstructorexception.cs

来自「该项目中对 SQLHelper 类进行了简单封装」· CS 代码 · 共 52 行

/* 
 * UndefConstructorException.cs @Microsoft Visual Studio 2005 <.NET Framework 2.0>
 * AfritXia
 * 2007-10-13
 * 
 * Copyright(c) http://www.AfritXia.NET/
 * 
 */

using System;
using System.Reflection;

namespace NET.AfritXia.DBUtility
{
	/// <summary>
	/// 未定义默认构造器异常
	/// </summary>
	public class UndefConstructorException : Exception
	{
		// 类型
		private Type m_classType = null;

		/// <summary>
		/// 类参数构造器
		/// </summary>
		/// <param name="classType">未提供默认构造器的类</param>
		internal UndefConstructorException(Type classType)
		{
			this.m_classType = classType;
		}

		/// <summary>
		/// 获取异常信息
		/// </summary>
		public override string Message
		{
			get
			{
				if (this.m_classType == null)
					return "";

				// 获取类名称
				string className = this.m_classType.Namespace + "." + this.m_classType.Name;
				// 异常信息
				string message = "类 {0} 未提供默认构造器或默认构造器不为公开 ( Not offer default constructor in class {0} or it is not public )";

				// 返回异常信息
				return String.Format(message, className);
			}
		}
	}
}