history.cs

一个较小的采购系统,一些比较实际的代码,可以用来参考

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;

/// <summary>
/// history 的摘要说明
/// </summary>
public class selecthistory
{
    public DataSet select(string firsttime,string lasttime)
    {//查找历史记录
        SqlConnection conn = new SqlConnection();
        conn.ConnectionString = ConfigurationManager.AppSettings["ConnectionString"];
        SqlCommand cmd = new SqlCommand("selecthistory",conn);
        cmd.CommandType = CommandType.StoredProcedure;
      
        SqlParameter paratime = new SqlParameter("@firsttime",SqlDbType.NVarChar,50);
        paratime.Value = firsttime;
        cmd.Parameters.Add(paratime);

        SqlParameter paralasttime = new SqlParameter("@lasttime", SqlDbType.NVarChar, 50);
        paralasttime.Value = lasttime;
        cmd.Parameters.Add(paralasttime);

        
        SqlDataAdapter adpt = new SqlDataAdapter(cmd);
        DataSet ds = new DataSet();
        adpt.Fill(ds, "history");
        conn.Close();
        conn.Dispose();
        return ds;

    }
}