YKT_DAL/DALProductAnswer.cs

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using System;
using System.Collections.Generic;

using System.Text;
using System.Data;
using System.Data.SqlClient;
using YKT.DBUtility;
using YKT_Model;

namespace YKT_DAL
{
    public class DALProductAnswer
    {
        #region  成员方法
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from YKT_ProductAnswer");
            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(ModelProductAnswer model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into YKT_ProductAnswer(");
            strSql.Append("AnswerContent,AskID,MemberID,ProductID,AddDateTime,Passed,QuestionID,GetIP)");
            strSql.Append(" values (");
            strSql.Append("@AnswerContent,@AskID,@MemberID,@ProductID,@AddDateTime,@Passed,@QuestionID,@GetIP)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@AnswerContent", SqlDbType.NVarChar,300),
					new SqlParameter("@AskID", SqlDbType.Int,4),
					new SqlParameter("@MemberID", SqlDbType.Int,4),
					new SqlParameter("@ProductID", SqlDbType.Int,4),
					new SqlParameter("@AddDateTime", SqlDbType.DateTime),
					new SqlParameter("@Passed", SqlDbType.Int,4),
					new SqlParameter("@QuestionID", SqlDbType.Int,4),
					new SqlParameter("@GetIP", SqlDbType.NVarChar,50)};
            parameters[0].Value = model.AnswerContent;
            parameters[1].Value = model.AskID;
            parameters[2].Value = model.MemberID;
            parameters[3].Value = model.ProductID;
            parameters[4].Value = model.AddDateTime;
            parameters[5].Value = model.Passed;
            parameters[6].Value = model.QuestionID;
            parameters[7].Value = model.GetIP;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);