MES.BLL/BaseBLL/CustomerBLL.cs

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using MES.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace MES.BLL.BusinessBLL
{
    public class CustomerBLL : BaseOperationBLL<T_Customer>
    {
        /// <summary>
        /// 添加客户结果返回值
        /// </summary>
        /// <param name="model">权限Model</param>
        /// <returns>返回结果</returns>
        public string InsertCustomerResult(T_Customer model)
        {
            string strResult = string.Empty;

            try
            {
                string strsql = @" select a.Customer_Area,a.Customer_Code,
                                a.Customer_Level_Code, a.Customer_Level_Name,
                                a.Customer_Linker,a.Customer_Name,a.Customer_Type_Code,
                                a.Note,a.Telephone,a.Customer_Type_Name 
                                from T_Customer a
                                where a.Delete_Mark=1 and 
                                a.Customer_Code='" + model.Customer_Code + "' and a.Customer_Name='"+model.Customer_Type_Name+"'";

                if (this.SelectAllDataTable(strsql).Rows.Count == 0)
                {
                    this.Insert(model);
                }
                else
                {
                    strResult = "名称重复";
                }
            }
            catch (Exception ex)
            {
                strResult = string.Format("{0}", ex);
            }

            return strResult;

        }
        /// <summary>
        /// 更改客户结果
        /// </summary>
        /// <param name="model">客户Model</param>
        /// <returns>返回结果</returns>
        public string UpdateCustomerResult(T_Customer model)
        {
            string strResult = string.Empty;

            StringBuilder strBuilder = new StringBuilder();
            strBuilder.Append(" update T_Customer set Customer_Area='" + model.Customer_Area + "', ");
            strBuilder.Append(" Customer_Linker='" + model.Customer_Linker + "', ");
            strBuilder.Append(" Customer_Name='" + model.Customer_Name + "', ");