无法找到类型或命名空间“连接”。（是否缺少指令或程序集引用） [英] type or namespace 'connection 'could not be found.(are u missing directive or assembly reference)

问题描述

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;


namespace WebRole1
{
    public partial class login1 : System.Web.UI.Page
    {
        connection cn = new connection();
      
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btn_Login_Click(object sender, EventArgs e)
        {

            SqlConnection con = cn.conn();
            con.Open();
            SqlCommand cmd = new SqlCommand("select count(*) from login where User_ID=@NAME and Password=@PWD", con);
            cmd.Parameters.AddWithValue("@NAME", txt_loginID.Text);
            cmd.Parameters.AddWithValue("@PWD", txt_login_pwd.Text);
            int cnt;
            Object abc = cmd.ExecuteScalar();
            con.Close();
            // Response.Cookies["test"].Value = txt_loginID.Text;
            //Response.Cookies["test"].Expires = DateTime.Now.AddYears(30);
            cnt = Convert.ToInt32(abc.ToString());
            if (cnt > 0)
            {
                Session["user"] =
                    //"hai ra";
                txt_loginID.Text;
                Response.Redirect("~/Home.aspx");
            }
            else
            {
                txt_login_pwd.Text = "";
                txt_loginID.Text = "";
                lbl_mgs.Text = "invalid userid";
                lbl_mgs.Visible = true;
            }
         
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Configuration;
using System.Data.SqlClient;

/// <summary>
/// Summary description for Connection1
/// </summary>
public class Connection1
{
	public Connection1()
	{
		//
		// TODO: Add constructor logic here
		//
	}
    String str = RoleEnvironment.GetConfigurationSettingValue("sri");
    SqlConnection con;
    public SqlConnection conn()
    {
        con = new SqlConnection(str);
        return con;
    }
}

my probelm每当bulid项目然后发生错误是类型或命名空间'连接'无法找到（你是否缺少程序集或指令）。这是windows azure项目和命名空间是web角色。

请帮助我。

my probelm whenever bulid project then error occur is "type or namespace 'connection 'could not be found(are u missing assembly or directive).this is windows azure project and namespace is web role.
please help me.

推荐答案

更改以下行...

Change below line...

connection cn = new connection();

要

To

Connection1 cn = new Connection1();

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