สอบถามเกี่ยวกับ ASP.NET ให้อัพโหลดข้อมูลลงในฐานข้อมูลเก็บลง ฟิวด์ Database

Imports System.Data
Imports System.Data.SqlClient

Partial Class _Default
    Inherits System.Web.UI.Page

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

    End Sub

    Protected Sub btnUpload_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnUpload.Click
        Me.pnlForm.Visible = False

        If Me.fUpload.HasFile = False Or Me.txtName.Text = "" Then
            Me.lblStatus.Text = "Please input Name and Chooes File."
        Else

            '*** Read Binary Data ***'
            Dim imbByte(fUpload.PostedFile.InputStream.Length) As Byte
            fUpload.PostedFile.InputStream.Read(imbByte, 0, imbByte.Length)

            '*** MimeType ***'
            Dim ExtType As String = System.IO.Path.GetExtension(fUpload.PostedFile.FileName).ToLower()
            Dim strMIME As String = Nothing
            Select Case ExtType
                Case ".gif"
                    strMIME = "image/gif"
                Case ".jpg", ".jpeg", ".jpe"
                    strMIME = "image/jpeg"
                Case ".png"
                    strMIME = "image/png"
                Case Else
                    Me.lblStatus.Text = "Invalid file type."
                    Exit Sub
            End Select

            '*** Insert to Database ***'
            Dim objConn As New SqlConnection
            Dim strConnString, strSQL As String

            strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;"

            strSQL = "INSERT INTO files (Name,FilesName,FilesType) " & _
            " VALUES " & _
            " (@sName,@sFilesName,@sFilesType)"
            objConn.ConnectionString = strConnString
            objConn.Open()

            Dim objCmd As New SqlCommand(strSQL, objConn)
            objCmd.Parameters.AddWithValue("@sName", Me.txtName.Text)
            objCmd.Parameters.AddWithValue("@sFilesName", imbByte)
            objCmd.Parameters.AddWithValue("@sFilesType", strMIME)
            objCmd.ExecuteNonQuery()

            objConn.Close()
            objConn = Nothing

            Me.lblStatus.Text = "File Upload Successfully. Click <a href='ListPicture.aspx'>here</a> to view."
        End If
    End Sub

End Class