Backup1/add_rk.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 add_rk : System.Web.UI.Page
    {
        SQLHelper db = new SQLHelper();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                bind();
                this.txt_rq.Attributes["onClick"] = "WdatePicker()";
            }
        }
        //
        public void bind()
        {
            string sql = "select * from drug order by drug_id desc";//构造选出行业所有字段的SQL语句
            DataTable dt = db.ExecuteQuery(sql, CommandType.Text);
            this.ddl_product.DataSource = dt;
            this.ddl_product.DataTextField = "drug";
            this.ddl_product.DataValueField = "drug_id";
            this.ddl_product.DataBind();

            //
        }
        //
        protected void Button1_Click(object sender, EventArgs e)
        {
            DateTime rq = Convert.ToDateTime(this.txt_rq.Text.ToString());
            int sl = int.Parse(this.txt_sl.Text.ToString());
            int drug_id = int.Parse(this.ddl_product.SelectedValue.ToString());
            string sql = "insert into rk(rq,drug_id,sl) values('" + rq + "','" + drug_id + "','" + sl + "')";
            int s = db.ExecuteNonQuery(sql, CommandType.Text);
            int d = db.ExecuteNonQuery("update drug set sl=sl+'"+sl+"' where drug_id="+drug_id, CommandType.Text);
            Response.Write("<script>alert('成功！');location='add_rk.aspx'</script>");
        }
    }
}