DuiHuan.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 DuiHuan : System.Web.UI.Page
{
        
     
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string SQL = "select * from TB_HuiYuan;select * from TB_ShangPing";

                DataSet ds = DBHelper.GetDataSet(SQL);
                this.DropDownList1.DataSource = ds.Tables[0];
                this.DropDownList1.DataTextField = "KaHao";
                this.DropDownList1.DataBind();


                this.DropDownList2.DataSource = ds.Tables[1];
                this.DropDownList2.DataTextField = "BianHao";
                this.DropDownList2.DataValueField = "MingCheng";
                this.DropDownList2.DataBind(); this.TextBox1.Text = this.DropDownList2.SelectedItem.Value;
                GetDrop1();
                if (Request["ID"] != null)
                {
                    InitData();
                }
            }

        }
    protected void InitData()
    {
        string id = Request["ID"].ToString();
        try
        {
            string sql = "select * from TB_XiaoFei where ID=" + id;
            DataTable dt = DBHelper.GetDataSet(sql).Tables[0];
            if (dt.Rows.Count > 0)
            {
                this.TextBox1.Text = dt.Rows[0]["MingCheng"].ToString();
                this.TextBox2.Text = dt.Rows[0]["ShuLiang"].ToString();    
                this.DropDownList1.Text = dt.Rows[0]["KaHao"].ToString();
                this.DropDownList1.Text = dt.Rows[0]["BianHao"].ToString();
            }
        }
        catch
        {
        }
    }