YKT_DAL/DALProductField.cs

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using System;
using System.Collections.Generic;

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

namespace YKT_DAL
{
    public class DALProductField
    {
        #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_ProductField");
            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(ModelProductField model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into YKT_ProductField(");
            strSql.Append("FClassID,FieldName,FieldValues,FieldType,IsUseImg,FieldPics,Choice)");
            strSql.Append(" values (");
            strSql.Append("@FClassID,@FieldName,@FieldValues,@FieldType,@IsUseImg,@FieldPics,@Choice)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@FClassID", SqlDbType.Int,4),
					new SqlParameter("@FieldName", SqlDbType.NVarChar,50),
					new SqlParameter("@FieldValues", SqlDbType.NVarChar,255),
					new SqlParameter("@FieldType", SqlDbType.Int,4),
					new SqlParameter("@IsUseImg", SqlDbType.Int,4),
					new SqlParameter("@FieldPics", SqlDbType.NVarChar,300),
					new SqlParameter("@Choice", SqlDbType.Int,4)};
            parameters[0].Value = model.FClassID;
            parameters[1].Value = model.FieldName;
            parameters[2].Value = model.FieldValues;
            parameters[3].Value = model.FieldType;
            parameters[4].Value = model.IsUseImg;
            parameters[5].Value = model.FieldPics;
            parameters[6].Value = model.Choice;

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