userdata.cs

专业的办公oa代码下载 c#语言编写 三层结构

using System;
using System.Data;
namespace qminoa.Common.Data
{
	/// <summary>
	/// UserData 的摘要说明。
	/// </summary>
	public class UserData:DataSet
	{
		public const string EMP_ID="EmpID";
		public const string USER_NAME="UserName";
		public const string USER_PASSWORD="Pwd";
		public const string USER_TABLE="UserTable";
		public const string LOGONED_ID="LogonID";
		
		public UserData()
		{
			BuildTable();
		}
		protected void BuildTable()
		{
			DataTable table=new DataTable(USER_TABLE);
			DataColumnCollection Columns=table.Columns;
			DataColumn column=Columns.Add(EMP_ID,typeof(System.Int32));
			column.AllowDBNull=false;
			column.AutoIncrement=true;
			Columns.Add(USER_NAME,typeof(System.String)).AllowDBNull=false;;
			Columns.Add(USER_PASSWORD,typeof(System.String)).AllowDBNull=true;
			this.Tables.Add(table);
		}
					
	}
}