错误上传文件

Question

我想在我的系统上传PDF文件和图片文件，我有2个FileUpload控件，fileUpload1上传pdf文件，fileUpload2上传图片文件，但是当我尝试保存在数据库中时收到以下错误，我不知道问题出在哪里：

这是我的表结构：

这是我的客户代码：

Imports System
Imports System.IO
Imports System.Data
Imports System.Data.SqlClient
Imports System.Threading
Imports System.Globalization

Partial Class addevent
Inherits System.Web.UI.Page

Protected Sub ButtonAddEvent_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ButtonAddEvent.Click


    Dim fileUpload1 As FileUpload = CType(Me.FindControl("fileUpload1"), FileUpload)
    Dim fileUpload2 As FileUpload = CType(Me.FindControl("fileUpload2"), FileUpload)

    'Make sure a file has been successfully uploaded

    If fileUpload1.PostedFile Is Nothing OrElse String.IsNullOrEmpty(fileUpload1.PostedFile.FileName) OrElse fileUpload1.PostedFile.InputStream Is Nothing Then
        Label1.Text = "Please Upload Valid PDF file"
        Exit Sub
    End If

    If fileUpload2.PostedFile Is Nothing OrElse String.IsNullOrEmpty(fileUpload2.PostedFile.FileName) OrElse fileUpload2.PostedFile.InputStream Is Nothing Then
        Label1.Text = "Please Upload Valid picture file"
        Exit Sub
    End If

    'Make sure we are dealing with a JPG or GIF file

    Dim extension As String = System.IO.Path.GetExtension(fileUpload1.PostedFile.FileName).ToLower()
    Dim MIMEType As String = Nothing
    Select Case extension
        Case ".gif"
            MIMEType = "image/gif"
        Case ".jpg", ".jpeg", ".jpe"
            MIMEType = "image/jpeg"
        Case ".png"
            MIMEType = "image/png"
        Case Else

            'Invalid file type uploaded

            Label1.Text = "Not a Valid file format"
            Exit Sub
    End Select

    Dim fileextension As String = System.IO.Path.GetExtension(fileUpload2.PostedFile.FileName).ToLower()
    Dim fileMIMEType As String = Nothing
    Select Case extension
        Case ".pdf"
            MIMEType = "file/pdf"
        Case Else

            'Invalid file type uploaded

            Label2.Text = "Not a Valid file format"
            Exit Sub
    End Select

    'Connect to the database and insert a new record into upload_image
    Dim connString As String = ConfigurationManager.ConnectionStrings("ConnectionString1").ConnectionString
    '"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\eventdb.mdf;Integrated Security=True;User Instance=True"
    Dim con As SqlConnection = New SqlConnection(connString)

    Dim cmdQuery As String = "INSERT INTO eventinfo(venue,eventTitle,startDate,endDate,description,layout,eventPDF,layoutData) VALUES (@venue,@eventTitle,@startDate,@endDate,@description,@layout,@eventPDF.@layoutData)"
    Dim cmd = New SqlCommand(cmdQuery)
    cmd.Connection = con
    cmd.CommandType = CommandType.Text
    con.Open()
    cmd.Parameters.AddWithValue("@eventTitle", txtEventTitle.Text)
    cmd.Parameters.AddWithValue("@venue", txtEventLocation.Text)
    cmd.Parameters.AddWithValue("@description", txtEventDescription.Text)

    Dim fmt As String = "dd/MM/yyyy"
    Dim dtStart As DateTime = DateTime.ParseExact(txtStartDate.Text, fmt, Nothing)
    Dim dtEnd As DateTime = DateTime.ParseExact(txtEndDate.Text, fmt, Nothing)

    cmd.Parameters.AddWithValue("@startDate", dtStart)
    cmd.Parameters.AddWithValue("@endDate", dtEnd)

    Dim totalDay As Integer = DateDiff(DateInterval.Day, dtStart, dtEnd)
    cmd.Parameters.AddWithValue("@totalDay", totalDay)


    cmd.Parameters.AddWithValue("@layout", MIMEType)
    cmd.Parameters.AddWithValue("@eventPDF", fileMIMEType)


    'Load FileUpload's InputStream into Byte array

    Dim imageBytes(fileUpload1.PostedFile.InputStream.Length) As Byte
    fileUpload1.PostedFile.InputStream.Read(imageBytes, 0, imageBytes.Length)
    cmd.Parameters.AddWithValue("@layoutData", imageBytes)



    MsgBox("The picture is successful uploaded", 0, "Saved")


    cmd.ExecuteNonQuery()
    cmd.Parameters.Clear()
    con.Close()

    Response.Redirect("~/addbooth.aspx")

    End Sub
End Class

我的客户代码：

<%@ Page Language="VB" MasterPageFile="~/MasterPageAdmin.master" AutoEventWireup="false" CodeFile="addevent.aspx.vb" Inherits="addevent" title="Untitled Page" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>

<asp:Content ID="ContentPlaceHolder2" runat="server" 
contentplaceholderid="ContentPlaceHolder2">

<table class="style8">
<tr>
 <td> Add New Event</td>
 <td> Event Title:</td>
  <td><asp:TextBox ID="txtEventTitle" runat="server"></asp:TextBox></td></tr>
  <tr>
  <td>Event Location:</td>
  <td><asp:TextBox ID="txtEventLocation" runat="server"></asp:TextBox></td>
 <tr><td >Start Date:</td>
 <td><asp:TextBox ID="txtStartDate" runat="server" MaxLength="10" ></asp:TextBox>
<asp:TextBoxWatermarkExtender ID="txtStartDate_TextBoxWatermarkExtender" 
            runat="server" Enabled="True" TargetControlID="txtStartDate" 
            WatermarkCssClass="WaterMark" WatermarkText="DD/MM/YYYY">
    </asp:TextBoxWatermarkExtender>
    <asp:CalendarExtender ID="txtStartDate_CalendarExtender" runat="server" 
            Enabled="True" Format="dd/MM/yyyy" TargetControlID="txtStartDate" 
            TodaysDateFormat="dd/MM/yyyy">
    </asp:CalendarExtender>
    </td>
    </tr>
    <tr><td>End Date:</td>
    <td><asp:TextBox ID="txtEndDate" runat="server" MaxLength="10"></asp:TextBox>
    <asp:TextBoxWatermarkExtender ID="txtEndDate_TextBoxWatermarkExtender" 
            runat="server" Enabled="True" TargetControlID="txtEndDate" 
            WatermarkCssClass="WaterMark" WatermarkText="DD/MM/YYYY">
    </asp:TextBoxWatermarkExtender>
    <asp:CalendarExtender ID="txtEndDate_CalendarExtender" runat="server" 
            Enabled="True" Format="dd/MM/yyyy" TargetControlID="txtEndDate" 
            TodaysDateFormat="dd/MM/yyyy">
   </asp:CalendarExtender>
    </td></tr>
   <tr><td >Event Description:</td>
   <td><asp:TextBox ID="txtEventDescription" runat="server" TextMode="multiline" Wrap="true" Height="100px" Width="215px" ></asp:TextBox></td>

    </tr>
    <tr><td >Event PDF:</td>
    <td ><asp:FileUpload ID="fileUpload1" runat="server" /></td>
    <td >asp:Label ID="Label1" runat="server"></asp:Label></td>
    </tr>
    <tr>
    <td>Event Layout:</td>
    <td><asp:FileUpload ID="fileUpload2" runat="server" /></td>
    <td><asp:Label ID="Label2" runat="server"></asp:Label></td>
     </tr>
      <tr>
<td><asp:Button ID="ButtonAddEvent" runat="server" Text="Add New Event"/></td>
</tr>
</table>


</asp:Content>