Admin/EditNews.aspx.cs

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using SimpleExam.App_Code;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace SimpleExam.Admin
{
    public partial class EditNews : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack) 
            {
                string sql;
                sql = "select * from news where id=" + Request.QueryString["id"].ToString().Trim();
                getdata(sql);
            }
        }

        private void getdata(string sql)
        {
            DataSet result = new DataSet();
            result = new Class1().hsggetdata(sql);
            if (result != null)
            {
                if (result.Tables[0].Rows.Count > 0)
                {
                    zhunkaozhenghao.Text = result.Tables[0].Rows[0]["Title"].ToString().Trim();
                    HiddenField1.Value = result.Tables[0].Rows[0]["Content"].ToString().Trim();
                    for (int i = 0; i < DropDownList1.Items.Count; i++)
                    {
                        if (DropDownList1.Items[i].Value == result.Tables[0].Rows[0]["ClassName"].ToString().Trim()) 
                        {
                            DropDownList1.Items[i].Selected = true;
                        }
                    }
                    Literal1.Text += "<script type=\"text/javascript\" >var ue = UE.getEditor('Content');SetEdit('Content','" + result.Tables[0].Rows[0]["Content"].ToString().Replace("\r", "\\r").Replace("\n", "\\n") + "')</script>";
                }
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string sql;
            //ldxlqz
            sql = "update news set Title='" + zhunkaozhenghao.Text.ToString().Trim() + "',ClassName='" + DropDownList1.SelectedValue.ToString().Trim() + "',Content='" + HiddenField1.Value.ToString().Trim() + "' where id=" + Request.QueryString["id"].ToString().Trim();
            int result;
            result = new Class1().hsgexucute(sql);
            if (result == 1)
            {
                Response.Write("<script>javascript:alert('修改成功');location.href='NewsContent.aspx';</script>");
            }
            else
            {
                Response.Write("<script>javascript:alert('系统错误');</script>");
            }