DAL/db_collection.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:db_collection
	/// </summary>
	public partial class db_collection
	{
		public db_collection()
		{}
		#region  Method

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(string ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from db_collection");
			strSql.Append(" where ID=@ID ");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.VarChar,32)			};
			parameters[0].Value = ID;

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(Maticsoft.Model.db_collection model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into db_collection(");
			strSql.Append("ID,UserID,ProductId)");
			strSql.Append(" values (");
			strSql.Append("@ID,@UserID,@ProductId)");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.VarChar,32),
					new SqlParameter("@UserID", SqlDbType.VarChar,32),
					new SqlParameter("@ProductId", SqlDbType.VarChar,32)};
			parameters[0].Value = model.ID;
			parameters[1].Value = model.UserID;
			parameters[2].Value = model.ProductId;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}