using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using AHUT_TetWebERP;
/// <summary>
/// DataBase 的摘要说明
/// </summary>
public class DataBase
{
SqlConnection conn = null;
SqlDataAdapter adapter = null;
SqlCommand command = null;
SqlDataReader reader = null;
DataSet ds = null;
public DataBase()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 数据库连接
/// </summary>
public void connection()
{
conn = new SqlConnection(ConfigurationManager.ConnectionStrings["BWConnectionString"].ToString());
conn.Open();
}
/// <summary>
/// 关闭数据库连接
/// </summary>
public void CloseConnection()
{
if (conn != null)
conn.Close();
}
/// <summary>
/// 返回数据记录集DataSet
/// <param name="sql">适配器的数据查询语句</param>
/// </summary>
public DataSet returnRecordset(string sql)
{
try
{
adapter = new SqlDataAdapter(sql, conn);
ds = new DataSet();
adapter.Fill(ds);
&nbs
