admin/products/Edit.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Data.SqlClient;
using System.Data;

public partial class products_Add : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //初始化
            chushi();
        }
    }

    /// <summary>
    /// 初始化
    /// </summary>
    protected void chushi()
    {
        DataSet dstid = SqlHelper.ExecuteforDataSet("select tid,tname from productType");
            ddltid.DataSource = dstid;
            ddltid.DataTextField = "tname";
            ddltid.DataValueField = "tid";
            ddltid.DataBind();


        StringBuilder strSql = new StringBuilder();
        strSql.Append(@"select * from products where pid=" + Request.QueryString["id"] );

        //根据编号得到相应的记录
        DataSet ds = SqlHelper.ExecuteforDataSet(strSql.ToString());
        if (ds.Tables[0].Rows.Count > 0)
        {
            txt_pname.Text = ds.Tables[0].Rows[0]["pname"].ToString();
            ddltid.SelectedValue=ds.Tables[0].Rows[0]["tid"].ToString();
            Labelpic.Text = ds.Tables[0].Rows[0]["pic"].ToString();
            if (Labelpic.Text != "" && Labelpic.Text.Length > 3)
            {
               Imagepic.ImageUrl = "../../uploads/" + Labelpic.Text;
               Imagepic.Visible = true;
             }
            txt_price.Text = ds.Tables[0].Rows[0]["price"].ToString();
            fck_memo.Value= ds.Tables[0].Rows[0]["memo"].ToString();
            ddlflag.SelectedValue=ds.Tables[0].Rows[0]["flag"].ToString();
        }
    }

    /// <summary>
    /// 编辑
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSave_Click(object sender, EventArgs e)
    {