//ایجاد بانک اطلاعاتی خالی
var dir = @"D:\Prog\"; // این مسیر پوشه است و نه مسیر فایل
using (OleDbConnection connection = new OleDbConnection(@"Provider=VFPOLEDB.1;Data Source=" + dir))
{
    using (var command = new OleDbCommand())
    {
        command.Connection = connection;
        command.Connection.Open();
        command.CommandText = "Create Table myDBF (dsw_id1 int, dsw_fname v(250), dsw_lname v(250) )";
        command.CommandType = CommandType.Text;
        command.ExecuteNonQuery();
    }
}

//ثبت اطلاعات در بانک ایجاد شده
var dbPath = Path.Combine(dir, "myDBF.dbf");
using (OleDbConnection connection = new OleDbConnection(@"Provider=VFPOLEDB.1;Data Source=" + dbPath))
{
    using (var command = new OleDbCommand())
    {
        command.Connection = connection;
        command.Connection.Open();
        command.CommandText = "Insert Into myDBF Values (1, ?, ?)";
        command.Parameters.AddWithValue("?", "B"); // فقط علامت سؤال در اینجا کار می‌کند و نه هیچ چیز دیگری
        command.Parameters.AddWithValue("?", "A");
        command.CommandType = CommandType.Text;
        command.ExecuteNonQuery();
    }
}

CREATE TABLE [tblWSTest](
 [id] [int] IDENTITY(1,1) NOT NULL,
 [f1] [nvarchar](50) NULL,
 [f2] [nvarchar](500) NULL,
CONSTRAINT [PK_tblWSTest] PRIMARY KEY CLUSTERED
(
 [id] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

SET IDENTITY_INSERT [tblWSTest] ON
INSERT [tblWSTest] ([id], [f1], [f2]) VALUES (1, N'a1', N'a2')
INSERT [tblWSTest] ([id], [f1], [f2]) VALUES (2, N'b1', N'b2')
INSERT [tblWSTest] ([id], [f1], [f2]) VALUES (3, N'c1', N'c2')
INSERT [tblWSTest] ([id], [f1], [f2]) VALUES (4, N'd1', N'd2')
INSERT [tblWSTest] ([id], [f1], [f2]) VALUES (5, N'e1', N'e2')
SET IDENTITY_INSERT [dbo].[tblWSTest] OFF

CREATE PROCEDURE GetAllData
AS
 SELECT f1,
        f2
 FROM   tblWSTest

CREATE ENDPOINT GetDataService
   STATE = STARTED
AS HTTP(
          PATH = '/GetData',
          AUTHENTICATION = (INTEGRATED),
          PORTS = (CLEAR),
          CLEAR_PORT = 8080,
          SITE = '*'
      )
FOR SOAP(
           WEBMETHOD 'GetAllData'
           (NAME = 'testdb2009.dbo.GetAllData'),
           WSDL = DEFAULT,
           DATABASE = 'testdb2009',
           NAMESPACE = DEFAULT
       )

         <security mode="TransportCredentialOnly">
           <transport clientCredentialType="Windows" proxyCredentialType="None"
               realm="" />
           <message clientCredentialType="UserName" algorithmSuite="Default" />
         </security>

using System;
using System.Data;
using System.Windows.Forms;

namespace WebServiceTest
{
   public partial class Form1 : Form
   {
       public Form1()
       {
           InitializeComponent();
       }

       private void Form1_Load(object sender, EventArgs e)
       {
           ServiceReference1.GetDataServiceSoapClient data =
               new ServiceReference1.GetDataServiceSoapClient();
           dataGridView1.DataSource = (data.GetAllData()[0] as DataSet).Tables[0];
       }
   }
}

Application Insights Telemetry (unconfigured): {"name":"Microsoft.ApplicationInsights.Dev.Metric","time":"2019-01-08T11:23:01.0000000Z","tags":{"ai.cloud.roleInstance":"BAHARI-PC","ai.internal.sdkVersion":"m-agg2:2.8.1-22898"},"data":{"baseType":"MetricData","baseData":{"ver":2,"metrics":[{"name":"Dependency duration","kind":"Aggregation","value":4143.777,"count":1,"min":4143.777,"max":4143.777,"stdDev":0}],"properties":{"_MS.MetricId":"dependencies/duration","_MS.IsAutocollected":"True","_MS.AggregationIntervalMs":"60000","Dependency.Type":"Http","DeveloperMode":"true","Dependency.Success":"True"}}}}
Application Insights Telemetry (unconfigured): {"name":"Microsoft.ApplicationInsights.Dev.Metric","time":"2019-01-08T11:23:01.0000000Z","tags":{"ai.cloud.roleInstance":"BAHARI-PC","ai.internal.sdkVersion":"m-agg2:2.8.1-22898"},"data":{"baseType":"MetricData","baseData":{"ver":2,"metrics":[{"name":"Server response time","kind":"Aggregation","value":4136.7653,"count":1,"min":4136.7653,"max":4136.7653,"stdDev":0}],"properties":{"_MS.MetricId":"requests/duration","_MS.IsAutocollected":"True","_MS.AggregationIntervalMs":"60000","DeveloperMode":"true","Request.Success":"True"}}}}
Application Insights Telemetry (unconfigured): {"name":"Microsoft.ApplicationInsights.Dev.Metric","time":"2019-01-08T11:23:01.0000000Z","tags":{"ai.cloud.roleInstance":"BAHARI-PC","ai.internal.sdkVersion":"m-agg2:2.8.1-22898"},"data":{"baseType":"MetricData","baseData":{"ver":2,"metrics":[{"name":"Dependency duration","kind":"Aggregation","value":3972.6929,"count":3,"min":12.8297,"max":2687.0447,"stdDev":1092.34881420812}],"properties":{"_MS.MetricId":"dependencies/duration","_MS.IsAutocollected":"True","_MS.AggregationIntervalMs":"60000","Dependency.Type":"SQL","DeveloperMode":"true","Dependency.Success":"True"}}}}

#region Using

using Autofac;
using CHK.ServiceLayer.Interfaces;
using DNTScheduler;
using System;

#endregion

namespace CHK.Web.Scheduler
{
    public class InventoryTask : ScheduledTaskTemplate
    {
        #region Properties

        public override int Order => 1;
        public override string Name => "Inventory-DiscountCoupon-GiftCard";
        public IContainer Container { get; set; }

        #endregion

        #region Methods

        public override bool RunAt(DateTime utcNow)
        {
            if (IsShuttingDown || Pause) return false;
            var currentDateTime = utcNow.AddHours(3.5);
            return (currentDateTime.Minute % 15 == 0 && currentDateTime.Second > 5 && currentDateTime.Second < 15);
        }

        public override void Run()
        {
            if (IsShuttingDown || Pause) return;
            Pause = true;
            using (var scope = Container.BeginLifetimeScope())
            {
                var schedulerService = scope.Resolve<ISchedulerService>();
                schedulerService.UpdateInventory();
            }
            Pause = false;
        }

        #endregion
    }
}

    public class TasksController : Controller
    {
        private readonly ITaskRepository taskRepository;

        // If you are using Dependency Injection, you can delete the following constructor
        public TasksController()
            : this(new TaskRepository())
        {
        }

        public TasksController(ITaskRepository taskRepository)
        {
            this.taskRepository = taskRepository;
        }

<Virtualize Items="cars" Context="car">
  <tr>
    <td>@car.Id</td>
    <td>@car.Name</td>
    <td>@car.Cost</td>
  </tr>
</Virtualize>

C:\backup\expressmaint.exe -S (local)\sqlexpress -D ALL_USER -T DB -R C:\backup -RU WEEKS -RV 2 -B C:\backup -BU DAYS -BV 2 -V -C

AT 23:30 /EVERY:m,t,w,th,f,s,su C:\backup\backup.bat
AT 11:30 /EVERY:m,t,w,th,f,s,su C:\backup\backup.bat