MxWeiXinPF.DAL/weixin/pre_common_district.cs

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

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

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

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
        public bool Add(MxWeiXinPF.Model.pre_common_district model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into pre_common_district(");
			strSql.Append("id,name,level,upid)");
			strSql.Append(" values (");
			strSql.Append("@id,@name,@level,@upid)");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4),
					new SqlParameter("@name", SqlDbType.NVarChar,255),
					new SqlParameter("@level", SqlDbType.Int,4),
					new SqlParameter("@upid", SqlDbType.Int,4)};
			parameters[0].Value = model.id;
			parameters[1].Value = model.name;
			parameters[2].Value = model.level;
			parameters[3].Value = model.upid;