DAL/CommercialsService.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:CommercialsService
	/// </summary>
	public partial class CommercialsService
	{
		public CommercialsService()
		{}
		#region  BasicMethod
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Commercials");
			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 int Add(Model.Commercials model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Commercials(");
			strSql.Append("title,dataType,commercialsContent,imgURL,imgSize,height,width,relUser,relTel,relMobile,comName,timeSize,timeFrom,timeEnd,place,placeName,status,remark,addTime,addUser,infoType)");
			strSql.Append(" values (");
			strSql.Append("@title,@dataType,@commercialsContent,@imgURL,@imgSize,@height,@width,@relUser,@relTel,@relMobile,@comName,@timeSize,@timeFrom,@timeEnd,@place,@placeName,@status,@remark,@addTime,@addUser,@infoType)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@title", SqlDbType.VarChar,50),
					new SqlParameter("@dataType", SqlDbType.Int,4),
					new SqlParameter("@commercialsContent", SqlDbType.VarChar,500),
					new SqlParameter("@imgURL", SqlDbType.VarChar,50),
					new SqlParameter("@imgSize", SqlDbType.VarChar,50),
					new SqlParameter("@height", SqlDbType.Int,4),
					new SqlParameter("@width", SqlDbType.Int,4),
					new SqlParameter("@relUser", SqlDbType.VarChar,50),
					new SqlParameter("@relTel", SqlDbType.VarChar,50),
					new SqlParameter("@relMobile", SqlDbType.VarChar,50),
					new SqlParameter("@comName", SqlDbType.VarChar,50),
					new SqlParameter("@timeSize", SqlDbType.VarChar,50),
					new SqlParameter("@timeFrom", SqlDbType.DateTime),
					new SqlParameter("@timeEnd", SqlDbType.DateTime),
					new SqlParameter("@place", SqlDbType.Int,4),
					new SqlParameter("@placeName", SqlDbType.VarChar,50),