DAL/DBhelp.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Data.OleDb;
namespace DAL
{
    public class DBhelp
    {

        /// <summary>
        /// 获取连接字符串
        /// </summary>
        /// <returns>Sqlconnection</returns>
        public static SqlConnection GetConn()
        {
            string Constr = ConfigurationManager.ConnectionStrings["Constr"].ConnectionString;
            SqlConnection sqlcon = new SqlConnection(Constr);
            return sqlcon;
        }
        /// <summary>
        /// 定义增刪改
        /// </summary>
        /// <param name="sql">sql</param>
        /// <param name="sqlpa">sqlpa</param>
        /// <returns>Bool</returns>
        public static bool ExecuteComand(string sql, SqlParameter[] sqlpa)
        {
            bool falg = false;
            SqlConnection sqlcon = GetConn();
            SqlCommand sqlcom = new SqlCommand(sql, sqlcon);
            if (sqlpa != null)
            {
                sqlcom.Parameters.AddRange(sqlpa);
            }
            try
            {
                sqlcon.Open();
                int n = sqlcom.ExecuteNonQuery();
                if (n > 0)
                    falg = true;
            }
            catch (Exception)
            {

                throw;
            }
            finally
            {
                sqlcon.Close();
            }
            return falg;
        }


        /// <summary>
        /// 查询