页面需要连接数据库,为什么,会显示 rpzaishouchanpin当前上下文不存在,小白求教,代码是copy别人的
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;
public partial class chihuozhijia : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
try
{
if (Session["username"].ToString() == "" || Session["username"].ToString() == null)
{
Response.Redirect(" denglu.aspx");
}
else
{
lbusername.Text = Session["username"].ToString();
}
}
catch (Exception)
{
Response.Redirect("denglu.aspx");
}
string mycon;
mycon = "server=.;uid=sa;pwd=123;database=chihuozhijia";
SqlConnection conn = new SqlConnection(mycon);
conn.Open();
string sql;
sql = "select * from product";
SqlDataAdapter da = new SqlDataAdapter(sql, conn);
DataSet ds = new DataSet();
da.Fill(ds, "zaishouchanpin");
rpzaishouchanpin.dateSource = ds.Tables["zaishouchanpin"].DefaultView;
rpzaishouchanpin.DataBind();
conn.Close();
}
}