manage/友情链接/update.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
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 System.Xml.Linq;

namespace 网上订餐系统.manage.友情链接
{
    public partial class update : System.Web.UI.Page
    {

        SqlServer db = new SqlServer();
        int id;

        protected void Page_Load(object sender, EventArgs e)
        {
            id = RequestHelper.GetIntValue("id");
            if (!this.IsPostBack)
            {

                if(id>0)
                {
                db.SQL = "select * from 友情链接 where id=@id";
                db.AddSqlParameter("@id", id);
                DataTable dtInfo = db.GetDataTable();
                if (dtInfo.Rows.Count == 0)
                {
                    Response.Write(ScriptHelper.AlertAndBack("信息不存在，可能已被删除"));
                    Response.End();
                }
                else
                {
                    this.tbName.Text = dtInfo.Rows[0]["name"].ToString();
                    this.tbURL.Text = dtInfo.Rows[0]["地址"].ToString();
                    this.Image链接.ImageUrl = dtInfo.Rows[0]["图片"].ToString();

                }

                }
            }
        }

        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(this.fuPath.FileName))
            {
                string[] ext = this.fuPath.FileName.Split(new char[] { '.' });

                //MIME类型进行类型判断才是最准确的
                if (!(ext[ext.Length - 1].Equals("jpg", StringComparison.CurrentCultureIgnoreCase)
                    || ext[ext.Length - 1].Equals("jpeg", StringComparison.CurrentCultureIgnoreCase)
                    || ext[ext.Length - 1].Equals("gif", StringComparison.CurrentCultureIgnoreCase)))
                {