www.pudn.com > FerrariSystem.rar > ConvertType.cs

using System; 
using System.Data; 
using System.Data.OleDb; 
 
namespace Common 
{ 
	/// 
 
	/// Convert 的摘要说明。 
	/// 
 
	public class ConvertType 
	{ 
		public ConvertType() 
		{ 
			// 
			// TODO: 在此处添加构造函数逻辑 
			// 
		} 
 
		public static String GetString(Object objValue)  
		{ 
			if (objValue == System.DBNull.Value) 
			{ 
				return ""; 
			} 
			else 
			{ 
				return objValue.ToString(); 
			} 
		} 
 
		public static decimal GetDecimal(Object objValue) 
		{ 
			try 
			{ 
				if (objValue == DBNull.Value)  
				{ 
					return  -1; 
				} 
				else 
				{ 
					return decimal.Parse(objValue.ToString()); 
				} 
			} 
			catch 
			{ 
				return -1; 
			} 
		} 
 
		public static int GetInt(Object objValue) 
		{ 
			try 
			{ 
				if (objValue == DBNull.Value)  
				{ 
					return  -1; 
				} 
				else 
				{ 
					return int.Parse(objValue.ToString()); 
				} 
			} 
			catch 
			{ 
				return -1; 
			} 
		} 
 
		public static object GetNullableDBValue(object objValue) 
		{ 
			if (objValue.ToString() == "") 
			{ 
				return DBNull.Value; 
			} 
			else 
			{ 
				return objValue; 
			} 
		} 
	} 
}