public static string denglu(string sqldl)
{
///<sumary>
///登陆
///<sumary>
SqlConnection cn = new SqlConnection(ConfigurationManager.AppSettings["Connectionstring"]);
cn.Open();
SqlCommand cmd = new SqlCommand(sqldl, cn);
SqlDataReader read = cmd.ExecuteReader();
read.Read();
if (read.HasRows)
{
// Response.Redirect("g_ht.aspx"); }
else
{ //Response.Write("<script language=javascript>alert('用户名或者密码错误')</script>");
}
{
///<sumary>
///登陆
///<sumary>
SqlConnection cn = new SqlConnection(ConfigurationManager.AppSettings["Connectionstring"]);
cn.Open();
SqlCommand cmd = new SqlCommand(sqldl, cn);
SqlDataReader read = cmd.ExecuteReader();
read.Read();
if (read.HasRows)
{
// Response.Redirect("g_ht.aspx"); }
else
{ //Response.Write("<script language=javascript>alert('用户名或者密码错误')</script>");
}
而且你要在config里面把数据库连接配置好