CS0246: 找不到类型或命名空间名称“SCard”(是否缺少 using 指令或程序集引用?) 请大哥大姐来帮帮忙
我在App_Code/db.cs下写以下代码
using System;
using System.Data;
using System.Configuration;
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;
namespace SCard
{
/// <summary>
/// db 的摘要说明
/// </summary>
public class db //: System.Web.UI.Page
{
public db()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public static SqlConnection conn()
{//数据库连接类
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["MyConnectionString"].ConnectionString);
return conn;
}
public static bool ExeSql(string que)
{ //根据传进来的SQL语句执行插入/删除/更新等操作
SqlConnection Conn = db.conn();
Conn.Open();
SqlCommand cmd = new SqlCommand(que, Conn);
int count = Convert.ToInt32(cmd.ExecuteNonQuery());
if (count > 0)
return true;
else
return false;
}
}
}
在login.cs 后台代码调用
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;
public partial class admin_login_login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
txtCheckCode.Attributes.Add("onclick", "return CheckCodeFun();");
Response.Write(!IsPostBack);
if (!IsPostBack == false)
{
Login();
}
}
protected void Login()
{
string HuiYuan = txtHuiYuan.Text.ToString();
string PassWord = txtPassWord.Text.ToString();
string CheckCode = txtCheckCode.Text.ToString();
if (HuiYuan == "")
{
Response.Write("<script>alert('用户名不能是空');location.href='Login.aspx'</script>");
Response.End();
}
if (PassWord == "")
{
Response.Write("<script>alert('密码不能是空');location.href='Login.aspx'</script>");
Response.End();
}
if (CheckCode != Session["CheckCode"].ToString())
{
Response.Write("<script>alert('验证码有错,请注意大小写');location.href='Login.aspx'</script>");
Response.End();
}
//db mdb = new db();
SCard.db myDB = new SCard.db();//这行提示:CS0246: 找不到类型或命名空间名称“SCard”(是否缺少 using 指令或程序集引用?) //myDB.conn();
string txtSql = "select * from ad";
if (myDB.ExeSql(txtSql))
{
Response.Write("<script>alert('记录!');</script>");
//Response.Write("<script>alert('添加记录成功!');</script>");
}
}
protected void CheckCodeFun()
{
txtCheckCode.Text = "";
}
}
不如知道怎么解决,请大家帮忙,谢谢诸位了