我的代码出了问题。有人可以帮助我。
运行＆＃34; comm.ExecuteScalar（）;＆＃34;时，收到错误消息。
错误消息说＆＃34;从对象类型System.String []到已知的托管提供者本机类型不存在映射。＆＃34;
附上我的存储过程。
代码：
using (SqlConnection conn = new SqlConnection(System.Convert.ToString(database.DbConnect("database1"))))
{
var procedure = "sp_auth_sign_in";
int result = 0;
try
{
conn.Open();
using (SqlCommand comm = new SqlCommand(procedure, conn))
{
comm.CommandType = CommandType.StoredProcedure;
comm.Parameters.AddWithValue("@employeeid", model.EmployeeId);
comm.Parameters.AddWithValue("@password", model.Password);
comm.Parameters.Add("@emp_name", SqlDbType.VarChar, 50).Direction = ParameterDirection.Output;
comm.Parameters.Add("@role_group", SqlDbType.VarChar, 2).Direction = ParameterDirection.Output;
comm.Parameters.Add("@chg_pass", SqlDbType.Bit).Direction = ParameterDirection.Output;
comm.Parameters.Add("@img_path", SqlDbType.VarChar, 1000).Direction = ParameterDirection.Output;
comm.Parameters.Add("@division_group", SqlDbType.VarChar, 3).Direction = ParameterDirection.Output;
comm.Parameters.Add("@department_group", SqlDbType.VarChar, 3).Direction = ParameterDirection.Output;
comm.Parameters.Add("@firstname", SqlDbType.VarChar, 25).Direction = ParameterDirection.Output;
comm.Parameters.Add("@logintries", SqlDbType.Int).Direction = ParameterDirection.Output;
comm.Parameters.Add("@uname_docutrack", SqlDbType.VarChar, 50).Direction = ParameterDirection.Output;
comm.Parameters.Add("@ustatus_docutrack", SqlDbType.Bit).Direction = ParameterDirection.Output;
comm.Parameters.Add("@SignatoryInitial", SqlDbType.VarChar, 3).Direction = ParameterDirection.Output;
comm.Parameters.Add("@result", SqlDbType.Int).Direction = ParameterDirection.Output;
comm.ExecuteScalar(); // got an error here.
sp_auth_sign_in过程的代码：
CREATE procedure [dbo].[sp_auth_sign_in]
@employeeid varchar(25)='', /* username for contractors; employee id for */
@password varchar(25)='',
@emp_name varchar(50) output,
@role_group varchar(2) output,
@chg_pass bit output,
@img_path varchar(100) output,
@division_group varchar(3) output,
@department_group varchar(3) output,
@firstname varchar(25) output,
@logintries int output,
@uname_docutrack varchar(50) output,
@ustatus_docutrack bit output,
@SignatoryInitial varchar(3) output,
@result int output
as
/*****************************
Date : June 17, 2015
*****************************/
/* variable(s) */
declare
@statvar bit=0,
@stat_tries tinyint=0,
@passcode int=0
set @logintries = 0
/* trim white space(s) */
set @employeeid=dbo.fn_lrtrim(@employeeid)
set @password=dbo.fn_lrtrim(@password)
/* raise error for null entries or any */
if(@employeeid='')
begin
set @result=1
return 1
end
if(@password='')
begin
set @result=2
return 2
end
/* check if username/employee id is valid. */
if not exists
(
select
aum.employeeid
from dbo.app_users_megaworld aum with (nolock)
where aum.employeeid=@employeeid
)
begin
set @result=3
return 3
end
/* check if account is active */
select
@statvar=aur.active
from dbo.app_users_roles aur with (nolock)
where aur.employeeid=@employeeid
if(@statvar=0)
begin
set @result=4
return 4
end
/* count login attempts */
select
@stat_tries=aur.tries
from dbo.app_users_roles aur with (nolock)
where aur.employeeid=@employeeid
if(@stat_tries>=5)
begin
/* deactivate account if tries>=3 */
exec dbo.sp_app_users_active @employeeid, 0
/* reset login attempt in effect for the account deactivation */
exec dbo.sp_app_users_tries @employeeid, 0
set @result=5
return 5
end
/* check username and password combination */
exec dbo.sp_crt_user_passcode @employeeid, @password, @passcode output
if not exists
(
select
aur.passcode
from dbo.app_users_roles aur with (nolock)
where aur.employeeid=@employeeid and aur.passcode=@passcode
)
begin
/* increase counter for login attempt(s) */
exec dbo.sp_app_users_tries @employeeid, 1
select @logintries = tries from app_users_roles where employeeid = @employeeid
set @result=6
return 6
end
/* account is valid */
/* reset counter for login attempt(s) */
exec dbo.sp_app_users_tries @employeeid, 0
/* raise flag for signing-in */
exec dbo.sp_app_users_logon @employeeid, 1 -- <-- change to 1 in production
/* output user's information */
select
--@emp_name=rtrim(upper(aum.firstname) + ' ' + upper(aum.lastname) + ' ' + upper(iif(aum.suffix='', '', aum.suffix))) ,
@emp_name=rtrim(aum.firstname + ' ' + aum.lastname + ' ' + iif(aum.suffix='', '', aum.suffix)) ,
@role_group=aur.role_group,
@chg_pass=aur.chg_pass,
@img_path=iif(aum.img_path is null or aum.img_path='','/Images/Avatar/avatar.jpg', aum.img_path),
@division_group=aum.division_group,
@department_group=aum.department_group,
@firstname=upper(aum.firstname),
@uname_docutrack = isnull(aud.username,''),
@ustatus_docutrack = isnull(aud.accountstatus,0),
@SignatoryInitial = isnull(aum.SignatureInitial, '')
from dbo.app_users_megaworld aum with (nolock)
inner join dbo.app_users_roles aur with (nolock)
on aum.employeeid=aur.employeeid
full join dbo.app_user_roles_docutrack aud
on aum.employeeid = aud.employeeid and aud.systemtype = 'MyTracking'
where aum.employeeid=@employeeid
set @result=0
return 0
GO
更新
问题在于：
comm.Parameters.AddWithValue("@employeeid", model.EmployeeId);
comm.Parameters.AddWithValue("@password", model.Password);
- 在我的storedproc中，employeeId的数据类型是varchar，但在我的模型视图中，它被设置为＆＃34; dynamic＆＃34;。
- 我真的不知道这里发生了什么，因为我只是一个新手，但当我把它改成＆＃34; string＆＃34;时，效果很好。
- 剩下的问题是我设置会话的时间。
错误：
Session["EmployeeID"] = model.EmployeeId.Replace(",", "").ToUpper;
Error 2 Cannot convert method group 'ToUpper' to non-delegate type 'object'. Did you intend to invoke the method?
namespace WMSPortal.Models
{
public class LoginViewModel
{
public string EmployeeId { get; set; }
//public dynamic EmployeeId { get; set; }