admin/edit_ti.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
namespace 在线考试.admin
{
    public partial class edit_ti : System.Web.UI.Page
    {
        SQLHelper db = new SQLHelper();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                bind();
            }
        }
        //
        public void bind()
        {
            //
            string sql = "select * from kc";
            DataTable d = db.ExecuteQuery(sql, CommandType.Text);
            this.ddl__kc.DataSource = d;
            this.ddl__kc.DataTextField = "kc";
            this.ddl__kc.DataValueField = "kc_id";
            this.ddl__kc.DataBind();
            //
            int id = Convert.ToInt32(Request.QueryString["id"].ToString());
            string cx = "select * from ti where ti_id=" + id;
            DataTable dt = db.ExecuteQuery(cx, CommandType.Text);
            this.txt_question.Text = dt.Rows[0]["question"].ToString();
            this.txt_ansa.Text = dt.Rows[0]["ansa"].ToString();
            this.txt_ansb.Text = dt.Rows[0]["ansb"].ToString();
            this.txt_ansc.Text = dt.Rows[0]["ansc"].ToString();
            this.txt_ansd.Text = dt.Rows[0]["ansd"].ToString();
            this.ddl__kc.Items.FindByValue(dt.Rows[0]["kc_id"].ToString()).Selected = true;
            this.ddl_ans.Items.FindByValue(dt.Rows[0]["ans"].ToString()).Selected = true;
            //
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            int id = Convert.ToInt32(Request.QueryString["id"].ToString());
            string question = this.txt_question.Text.ToString();
            int kc_id = int.Parse(this.ddl__kc.SelectedValue.ToString());
            string ansa = this.txt_ansa.Text.ToString();
            string ansb = this.txt_ansb.Text.ToString();
            string ansc = this.txt_ansc.Text.ToString();
            string ansd = this.txt_ansd.Text.ToString();
            string ans = this.ddl_ans.SelectedValue.ToString();
            string sql = "update ti set question='"+question+"',kc_id='"+kc_id+"',ansa='"+ansa+"',ansb='"+ansb+"',ansc='"+ansc+"',ansd='"+ansd+"',ans='"+ans+"' where ti_id="+id;
            db.ExecuteNonQuery(sql, CommandType.Text);
            Response.Write("<script>alert('修改成功！');location='tilist.aspx'</script>");
        }
    }
}