FileUpload.FileName FileUpload.FileName FileUpload.FileName FileUpload.FileName Property

定義

FileUpload コントロールを使用して、アップロードする、クライアント上のファイルの名前を取得します。Gets the name of a file on a client to upload using the FileUpload control.

public:
 property System::String ^ FileName { System::String ^ get(); };
[System.ComponentModel.Browsable(false)]
public string FileName { get; }
member this.FileName : string
Public ReadOnly Property FileName As String

プロパティ値

FileUpload コントロールを使用して、アップロードする、クライアント上のファイルの名前を示す文字列。A string that specifies the name of a file on a client to upload using the FileUpload.

次の例は、コードで指定FileUploadされたパスにファイルを保存するコントロールを作成する方法を示しています。The following example demonstrates how to create a FileUpload control that saves files to a path that is specified in code. FileNameプロパティは、アップロードするファイルの名前を取得するために使用されます。The FileName property is used to get the name of the file to upload. ファイルSaveAsがクライアント上にあるのと同じ名前を使用して、サーバー上の指定されたパスにファイルを保存するために、メソッドが呼び出されます。The SaveAs method is called to save the file to the specified path on the server, using the same name the file has on the client. この例では、このコントロールの基本的な構文を示していますが、ファイルを保存する前に実行する必要があるすべてのエラーチェックについては説明しません。Note that this example demonstrates the basic syntax for this control, but does not demonstrate all the necessary error checking that should be done before saving the file. この例より完全なコード例については、「SaveAs」を参照してください。For a more complete example, see SaveAs.

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<script runat="server">

  protected void UploadButton_Click(object sender, EventArgs e)
  {
    // Specify the path on the server to
    // save the uploaded file to.
    String savePath = @"c:\temp\uploads\";
 
    // Before attempting to perform operations
    // on the file, verify that the FileUpload 
    // control contains a file.
    if (FileUpload1.HasFile)
    {
      // Get the name of the file to upload.
      String fileName = FileUpload1.FileName;
      
      // Append the name of the file to upload to the path.
      savePath += fileName;
      

      // Call the SaveAs method to save the 
      // uploaded file to the specified path.
      // This example does not perform all
      // the necessary error checking.               
      // If a file with the same name
      // already exists in the specified path,  
      // the uploaded file overwrites it.
      FileUpload1.SaveAs(savePath);
      
      // Notify the user of the name of the file
      // was saved under.
      UploadStatusLabel.Text = "Your file was saved as " + fileName;
    }
    else
    {      
      // Notify the user that a file was not uploaded.
      UploadStatusLabel.Text = "You did not specify a file to upload.";
    }

  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>FileUpload Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <h4>Select a file to upload:</h4>
   
       <asp:FileUpload id="FileUpload1"                 
           runat="server">
       </asp:FileUpload>
            
       <br /><br />
       
       <asp:Button id="UploadButton" 
           Text="Upload file"
           OnClick="UploadButton_Click"
           runat="server">
       </asp:Button>    
       
       <hr />
       
       <asp:Label id="UploadStatusLabel"
           runat="server">
       </asp:Label>        
    </div>
    </form>
</body>
</html>
<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<script runat="server">
        
  Sub UploadButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
            
    ' Specify the path on the server to
    ' save the uploaded file to.
    Dim savePath As String = "c:\temp\uploads\"
            
    ' Before attempting to perform operations
    ' on the file, verify that the FileUpload 
    ' control contains a file.
    If (FileUpload1.HasFile) Then
      ' Get the name of the file to upload.
      Dim fileName As String = FileUpload1.FileName
                      
      ' Append the name of the file to upload to the path.
      savePath += fileName
                
      ' Call the SaveAs method to save the 
      ' uploaded file to the specified path.
      ' This example does not perform all
      ' the necessary error checking.               
      ' If a file with the same name
      ' already exists in the specified path,  
      ' the uploaded file overwrites it.
      FileUpload1.SaveAs(savePath)
                
      ' Notify the user of the name the file
      ' was saved under.
      UploadStatusLabel.Text = "Your file was saved as " & fileName
                
    Else
      ' Notify the user that a file was not uploaded.
      UploadStatusLabel.Text = "You did not specify a file to upload."
    End If

  End Sub
       
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>FileUpload Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <h4>Select a file to upload:</h4>
   
       <asp:FileUpload id="FileUpload1"                 
           runat="server">
       </asp:FileUpload>
            
       <br /><br />
       
       <asp:Button id="UploadButton" 
           Text="Upload file"
           OnClick="UploadButton_Click"
           runat="server">
       </asp:Button>    
       
       <hr />
       
       <asp:Label id="UploadStatusLabel"
           runat="server">
       </asp:Label>        
    </div>
    </form>
</body>
</html>

注釈

FileUpload コントロールを使用して、アップロードする、クライアント上のファイルの名前を取得します。Gets the name of a file on a client to upload using the FileUpload control. FileNameプロパティが返すファイル名には、クライアント上のファイルのパスは含まれません。The file name that the FileName property returns does not include the path of the file on the client.

適用対象

こちらもご覧ください