DAL/AreaInfor.cs

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using System;
using System.Text;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Data;
using DBUtility;
namespace DAL
{
    //区域表
    public partial class AreaInfor
    {
        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from AreaInfor");
            strSql.Append(" where ");
            strSql.Append(" 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 int Add(Model.AreaInfor model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into AreaInfor(");
            strSql.Append("AreaNumber,AreaName,AParentID,BuilderID,BuiderTime,AState,ALevel");
            strSql.Append(") values (");
            strSql.Append("@AreaNumber,@AreaName,@AParentID,@BuilderID,@BuiderTime,@AState,@ALevel");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
			            new SqlParameter("@AreaNumber", SqlDbType.VarChar,50) ,            
                        new SqlParameter("@AreaName", SqlDbType.VarChar,50) ,            
                        new SqlParameter("@AParentID", SqlDbType.Int,4) ,            
                        new SqlParameter("@BuilderID", SqlDbType.Int,4) ,            
                        new SqlParameter("@BuiderTime", SqlDbType.DateTime) ,            
                        new SqlParameter("@AState", SqlDbType.Int,4) ,            
                        new SqlParameter("@ALevel", SqlDbType.Int,4)             
             };
            parameters[0].Value = model.AreaNumber;
            parameters[1].Value = model.AreaName;
            parameters[2].Value = model.AParentID;
            parameters[3].Value = model.BuilderID;
            parameters[4].Value = model.BuiderTime;
            parameters[5].Value = model.AState;
            parameters[6].Value = model.ALevel;
            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }