admin/news/new_type_in.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.Data.OleDb;
using System.Data;

namespace web.admin.type
{
    public partial class new_type_in : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if(!IsPostBack)
            {

                if (Request.QueryString["id"] != null)
                {
                    int uid = Convert.ToInt32(Request.QueryString["id"]);

                    using (DataTable dt = new AcsHelper().ExecuteDataTable("select * from news_type where id=" + uid.ToString()))
                    {
                        foreach (DataRow r in dt.Rows)
                        {
                            this.TextBox1.Text = r["name"].ToString();
                            this.TextBox2.Text = r["title"].ToString();
                            this.TextBox3.Text = r["keyname"].ToString();
                            this.TextBox4.Text = r["counts"].ToString();
                        }
                    }
                    this.Button1.Text = " 修改 ";
                }
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {

            string t = this.TextBox1.Text;

            string t2 = this.TextBox2.Text;
            string t3 = this.TextBox3.Text;
            string t4 = this.TextBox4.Text;


            if (t == "")
            {
                Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('名称不能为空');</script>");
            }
            else
            {
                string sqlstring = "select MAX(px) FROM news_type";
                int i = 1;
                string ob = new AcsHelper().ExecuteScalar(sqlstring);
                if (ob != "")
                {
                    i = (Convert.ToInt32(ob)) + 1;
                }