admin/Modify_Course.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 System.Data.SqlClient;
public partial class admin_Modify_Course : System.Web.UI.Page
{
    data data = new data();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            SqlDataReader dr = data.GetDataReader("select * from Course where id=" + Request.QueryString["id"].ToString());
            if (dr.Read())
            {

                txtUser.Text = dr["courseName"].ToString();
                TextBox1.Text = dr["XueFen"].ToString();
            }
        }
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        data.RunSql("update Course set  courseName='" + txtUser.Text + "',XueFen='"+TextBox1.Text+"'  where id=" + Request.QueryString["id"].ToString());
        Alert.AlertAndRedirect("修改成功", "CourseList.aspx");
    }
}