user_vmoney.aspx.cs

B2B网上商城

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 User_VMoney : System.Web.UI.Page
{
    public string strMoney = "0";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["username"] == null)
            {
                Response.Write("<script language='JavaScript'>");
                Response.Write("alert('请先登录！')");
                Response.Write("</script>");
                Response.End();
                return;
            }

            SqlConnection conn = new SqlConnection(ConfigurationManager.AppSettings["ConnStr"]);
            String sql = "SELECT * FROM Users where UserName='" + Session["username"].ToString() + "'";
            SqlCommand command = new SqlCommand(sql, conn);
            conn.Open();
            SqlDataReader dr = command.ExecuteReader();
            if (dr.Read())
            {
                strMoney = dr["VMoney"].ToString();
            }
            dr.Close();
            conn.Close();
        }
    }
}