ASP.Net รูปไม่แสดงใน GridView ช่วยด้วยครับ ข้อมูลดึงมาจาก Database

Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
        Dim objConn As New SqlConnection(strConnString)
        Dim objCmd As SqlCommand
        Dim strSQL As String

        objConn.Open()

        Dim dtAdapter As SqlDataAdapter
        Dim dt As New DataTable
        strSQL = "SELECT * FROM files WHERE Name = @sName"
        dtAdapter = New SqlDataAdapter(strSQL, objConn)
        objCmd = dtAdapter.SelectCommand
        objCmd.Parameters.Add("@sName", SqlDbType.NVarChar).Value = Request.QueryString("Name")
        dtAdapter.Fill(dt)
        If dt.Rows.Count > 0 Then
            Response.ContentType = dt.Rows(0)("FilesType").ToString()
            Response.BinaryWrite(dt.Rows(0)("FilesName"))
        End If
        dt = Nothing
    End Sub

Sub bindata()

        Dim conn As New SqlConnection(strConnString)
        'Dim objcmd As SqlCommand
     
        Dim edate As String = Request("dateStart")
        Dim edate2 As String = Request("dateEnd")
        Dim expenddt As Date = Date.ParseExact(edate, "dd/MM/yyyy", System.Globalization.DateTimeFormatInfo.InvariantInfo)
        Dim expenddt2 As Date = Date.ParseExact(edate2, "dd/MM/yyyy", System.Globalization.DateTimeFormatInfo.InvariantInfo)


        Dim dt As New DataTable()
        Dim query As String = " SELECT id, CONVERT(varchar(10),seen_dt,103) as seen_dt , seen_time, name_material, num_material, CONVERT(varchar(10),input_dt,103) as input_dt, input_time, lot, supplier, weight, obj, area, product_rm, status, files.FilesType, files.FilesName, files.Name, obj_tbl.nameIMG FROM obj_tbl INNER JOIN files ON files.Name = obj_tbl.nameIMG WHERE input_dt BETWEEN '" & expenddt & "' AND '" & expenddt2 & "' "

        Dim objda As New SqlDataAdapter(query, conn)
        conn.Open()
        'objcmd = objda.SelectCommand
        'objcmd.Parameters.Add("@sName", SqlDbType.Int).Value = Request.QueryString("Name")  'บรรทัดนี้ปัญหา
        objda.Fill(dt)


        If dt.Rows.Count > 0 Then
            'Response.ContentType = dt.Rows(0)("FilesType").ToString()
            'Response.BinaryWrite(dt.Rows(0)("FilesName"))
            GridView11.DataSource = dt
            GridView11.DataBind()
        End If
        conn.Close()
    End Sub

Protected Sub GridView11_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView11.RowDataBound
        Dim ImgPic As Image = DirectCast(e.Row.FindControl("ImgPic"), Image)
        If Not IsNothing(ImgPic) Then
            'ImgPic.ImageUrl = e.Row.DataItem("Name")
            ImgPic.ImageUrl = "ViewImg.aspx?Name= " & e.Row.DataItem("Name")
        End If
    End Sub