edit_drug.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
namespace 淮安协和门诊
{
    public partial class edit_drug : System.Web.UI.Page
    {
        SQLHelper db = new SQLHelper();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                bind();
            }
        }
        //
        public void bind()
        {
            int id = int.Parse(Request.QueryString["id"].ToString());
            string sql = "select * from drug where drug_id=" + id;
            DataTable dt = db.ExecuteQuery(sql, CommandType.Text);
            this.txt_drug.Text = dt.Rows[0]["drug"].ToString();
            this.txt_price.Text = dt.Rows[0]["price"].ToString();
            this.txt_sl.Text = dt.Rows[0]["price"].ToString();
        }
        //
        protected void Button1_Click(object sender, EventArgs e)
        {
            int id = int.Parse(Request.QueryString["id"].ToString());
            string drug = this.txt_drug.Text.ToString();
            int sl =int.Parse(this.txt_sl.Text.ToString());
            int price = int.Parse(this.txt_price.Text.ToString());
            string sql = "update drug set drug='"+drug+"',sl='"+sl+"',price='"+price+"' where drug_id="+id;
            int d = db.ExecuteNonQuery(sql, CommandType.Text);
            Response.Write("<script>alert('成功！');location='manage_drug.aspx'</script>");
        }
    }
}