ช่วยผมด้วยครับ ต้องใช้งานแต่ไม่สามารถทำงานได้ครับ

Option Explicit On
Option Strict On

Partial Public Class RTAaddstatus
    Inherits System.Web.UI.Page
    Dim db As New dbDatabaseDataContext()

    Dim currentTime As String = DateTime.Now.ToString()

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        lblUpdater.Text = My.User.Name
        Me.lblUpdateTime.Text = currentTime
    End Sub

    Protected Sub btnSave_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSave.Click
        If (txtDetail.Text.Trim() <> "") AndAlso (ddProjectName.Text.Trim() <> "") Then
            System.Threading.Thread.Sleep(100)
            'lblCurrentTime.Text = currentTime
            ' Dim datetimenow As String = CStr(Now())

            Dim u As New updatedetail()
            u.ProjectName = ddProjectName.Text.Trim()
            u.Detail = txtDetail.Text.Trim()
            
           
            u.Updater = lblUpdater.Text.Trim()
            u.UpdateTime = currentTime
            db.updatedetails.InsertOnSubmit(u)
            db.SubmitChanges()
            gvAddStatus.DataBind()

            'txtDetail.Text = ""

        End If
    End Sub

    Protected Sub btnClear_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnClear.Click
        'txtDetail.Text = ""
    End Sub
End Class