DAL/jstz.cs

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

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
            return DbHelperSQL.GetMaxID("uid", "jstz"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int uid)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("select count(1) from jstz");
			strSql.Append(" where uid=@uid");
			SqlParameter[] parameters = {
					new SqlParameter("@uid", SqlDbType.Int,4)
};
			parameters[0].Value = uid;

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
        public int Add(Maticsoft.Model.jstz model)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("insert into jstz(");
            strSql.Append("uname,jstz)");
			strSql.Append(" values (");
            strSql.Append("@uname,@jstz)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@uname", SqlDbType.VarChar,50),
					new SqlParameter("@jstz", SqlDbType.VarChar,50)
					};
			parameters[0].Value = model.uname;
            parameters[1].Value = model.tz;