?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>
/// operate 的摘要說明
/// </summary>
public class operate
{
	public operate()
	{
		//
		// TODO: 在此處添加構造函數邏輯
		//
	}
    //public class login
    //{
    //    public string 用戶名;
    //    public string 用戶密碼;
    //    public string 用戶類型編號;
    //}
    public class client
    {
        public string clientid;
        public string 客戶名稱;
        public string 聯系人;
        public string 聯系電話;
        public string 聯系地址;
    }
        
    //}
    //public class sellsp
    //{
    //    public string 商品編號;
    
    //}

    public static bool findclient(string 客戶編號)
    {
        SqlConnection con = DB.createConnection();
        con.Open();
        SqlCommand cmd = new SqlCommand("select count(*) from client where 客戶編號='" + 客戶編號 + "'",con);
        int count = Convert.ToInt32(cmd.ExecuteScalar());
        if (count > 0)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    //綁定客戶
    public static DataTable selectclient()
    {
        SqlConnection con = DB.createConnection();
        SqlDataAdapter sda = new SqlDataAdapter();
        sda.SelectCommand = new SqlCommand("select * from client", con);
        DataSet ds = new DataSet();
        sda.Fill(ds, "client");
        return ds.Tables["client"];

    }

}