bs_add.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;

public partial class bs_add : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string sql;
            sql = "select * from kucun order by id desc";
            getdata(sql);
        }
    }
    private void getdata(string sql)
    {
        DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                int k = 0;
                for (k = 0; k < result.Tables[0].Rows.Count; k++)
                {
                    promc.Items.Add(result.Tables[0].Rows[k]["promc"].ToString().Trim());
                }
            }
        }
    }
    protected void promc_SelectedIndexChanged(object sender, EventArgs e)
    {
        string sql;
        sql = "select * from kucun where promc='" + promc.SelectedItem.ToString().Trim() + "'";
        getdata2(sql);
    }
    private void getdata2(string sql)
    {
        DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                price.Text = result.Tables[0].Rows[0]["price"].ToString().Trim();
                shuliang.Text = result.Tables[0].Rows[0]["shuliang"].ToString().Trim();
                rkprice.Text = result.Tables[0].Rows[0]["rkprice"].ToString().Trim();
                gys.Text = result.Tables[0].Rows[0]["gys"].ToString().Trim();

            }
        }
    }