ShopingNet/Pages/Background/ProductManage/ProductUpdate.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;
using Bll;
using Model;
using System.IO;

public partial class Pages_Background_ProductManage_ProductUpdate : System.Web.UI.Page
{
    private int productID;
    ProductMangement pm = new ProductMangement();
    Product upProduct;
    ProductClassManagment pcm = new ProductClassManagment();
    /// <summary>
    /// 图片操作类的对象声明
    /// </summary>
    upImage imageControl;
    protected void Page_Load(object sender, EventArgs e)
    {
        imageControl = new upImage();
        //productID表示前一页面传递的产品ID号
        productID = Convert.ToInt32(Request["id"]);
        upProduct = new Product();
        if (!Page.IsPostBack)
        {
            pcm.GetProductClass(this.dorp_productClassID);
            //selectResult表示DataTable类型的条件查询结果，查询条件是"产品号=页面传递值"
            DataSet selectResult = pm.ProductSelect(" ProductID = " + productID);
            this.txt_name.Text = selectResult.Tables[0].Rows[0]["ProductName"].ToString();
            this.dorp_productClassID.SelectedValue = selectResult.Tables[0].Rows[0]["ProductClassID"].ToString();
            this.txt_content.Text = selectResult.Tables[0].Rows[0]["ProductContent"].ToString();
            this.txt_count.Text = selectResult.Tables[0].Rows[0]["ProductCount"].ToString();
            this.txt_price.Text = selectResult.Tables[0].Rows[0]["ProductUnitPrice"].ToString();
            this.Image2.ImageUrl = @"~\Images\SmallImages\" + selectResult.Tables[0].Rows[0]["ProductImg"].ToString();
        }
    }
    protected void bt_ok_Click(object sender, EventArgs e)
    {
        upProduct.ProductName1 = this.txt_name.Text;
        upProduct.ProductClassID1 = Convert.ToInt32(this.dorp_productClassID.SelectedValue);
        upProduct.ProductContent1 = this.txt_content.Text;
        upProduct.ProductCount1 = Convert.ToInt32(this.txt_count.Text);
        upProduct.ProductUnitPrice1 = Convert.ToSingle(this.txt_price.Text);
        upProduct.ProductImg1 = Path.GetFileName(this.File1.Value);
        if (upProduct.ProductImg1 != "")
        {
            imageControl.SaveSmallImg(Server.MapPath(@"~\Images\SmallImages\") + "\\" + imageControl.GetFileName(this.File1), 212, 202, "", 27, this.File1);
            this.Image2.ImageUrl = @"~\Images\SmallImages\" + "\\" + imageControl.GetFileName(this.File1);
            imageControl.SaveUpFile(Server.MapPath(@"~\Images\ProductsImages\") + imageControl.GetFileName(this.File1), this.File1);
        }
        if (pm.ProductUpdate(productID, upProduct) > 0)
        {
            Response.Write("<script>alert('修改成功！')</script>");