Dal/DService.cs

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using System;
using System.Text;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Data;
using Model;
namespace Dal
{
    public partial class DService
    {
        #region  Method
        public bool HasRecord(int S_Id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * from Service");
            strSql.Append(" where ");
            strSql.Append(" S_Id = @S_Id  ");
            SqlParameter[] parameters = {
					new SqlParameter("@S_Id", SqlDbType.Int,4)};
            parameters[0].Value = S_Id;

            return OLEDBHelper.HasRecord(strSql.ToString(), parameters, CommandType.Text);
        }



        /// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(MService model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into Service(");
            strSql.Append("S_Id,S_Type,S_Number,S_Memo,S_Order");
            strSql.Append(") values (");
            strSql.Append("@S_Id,@S_Type,@S_Number,@S_Memo,@S_Order");
            strSql.Append(") ");

            SqlParameter[] parameters = {
			            new SqlParameter("@S_Id", SqlDbType.Int,4) ,            
                        new SqlParameter("@S_Type", SqlDbType.Int,4) ,            
                        new SqlParameter("@S_Number", SqlDbType.VarChar,255) ,            
                        new SqlParameter("@S_Memo", SqlDbType.Text) ,            
                        new SqlParameter("@S_Order", SqlDbType.Int,4)             
              
            };

            parameters[0].Value = model.S_Id;
            parameters[1].Value = model.S_Type;
            parameters[2].Value = model.S_Number;
            parameters[3].Value = model.S_Memo;
            parameters[4].Value = model.S_Order;
            int rows = OLEDBHelper.ExeNonQuery(strSql.ToString(), parameters, CommandType.Text);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;