DAL/BackSql.cs

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using System;
using System.Data;
using System.Data.OleDb;
using System.Text;
using Maticsoft.DBUtility;//Please add references
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类:BackSql
	/// </summary>
	public partial class BackSql
	{
		public BackSql()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperOleDb.GetMaxID("E_tongID", "BackSql"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int E_tongID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from BackSql");
			strSql.Append(" where E_tongID=@E_tongID");
			OleDbParameter[] parameters = {
					new OleDbParameter("@E_tongID", OleDbType.Integer,4)
			};
			parameters[0].Value = E_tongID;

			return DbHelperOleDb.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(Maticsoft.Model.BackSql model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into BackSql(");
			strSql.Append("E_YuanPath,E_MuPath,E_YuanName,E_XianName,E_DataNum,E_CreateTime,E_Resume)");
			strSql.Append(" values (");
			strSql.Append("@E_YuanPath,@E_MuPath,@E_YuanName,@E_XianName,@E_DataNum,@E_CreateTime,@E_Resume)");
			OleDbParameter[] parameters = {
					new OleDbParameter("@E_YuanPath", OleDbType.VarChar,255),
					new OleDbParameter("@E_MuPath", OleDbType.VarChar,255),
					new OleDbParameter("@E_YuanName", OleDbType.VarChar,50),
					new OleDbParameter("@E_XianName", OleDbType.VarChar,50),
					new OleDbParameter("@E_DataNum", OleDbType.VarChar,50),
					new OleDbParameter("@E_CreateTime", OleDbType.Date),
					new OleDbParameter("@E_Resume", OleDbType.VarChar,0)};
			parameters[0].Value = model.E_YuanPath;