存储过程判断用户登录信息

存储过程判断用户登录信息

2007-05-13 18:49

create proc checkadmin ( @username varchar(50), @userpwd varchar(50) ) as declare @flag int declare @pass varchar(50) select @pass=userpwd from admin_login where [email protected] if @@rowcount=0 set @flag=0 else    if @[email protected] set @flag=1    else set @flag=2 go SqlConnection myconn = db.openconn();              try              {                  myconn.Open();                  SqlCommand mycom = new SqlCommand("checkadmin", myconn);                  mycom.CommandType = CommandType.StoredProcedure;                  SqlParameter sp = new SqlParameter("@username", SqlDbType.VarChar);                  sp.Value = username.Text;                  mycom.Parameters.Add(sp);                  sp = new SqlParameter("@userpwd", SqlDbType.VarChar);                  sp.Value = userope.encrypt(userpwd.Text);                  mycom.Parameters.Add(sp);                  sp = new SqlParameter("@flag", SqlDbType.Int);                  sp.Direction = ParameterDirection.Output;                  mycom.Parameters.Add(sp);                  mycom.ExecuteNonQuery();                  if (mycom.Parameters["@flag"].Value.ToString() == "0")                  {                      userope.mess("用户名不存在!", "admin_login.aspx");                  }                  else if (mycom.Parameters["@flag"].Value.ToString() == "1")                  {                      Response.Redirect("add_admin.aspx");                  }                  else                  {                      userope.mess("密码有错!", "admin_login.aspx");                  }              }              finally              {