- ASP.NET FILE UPLOAD EXAMPLE HOW TO
- ASP.NET FILE UPLOAD EXAMPLE SOFTWARE
- ASP.NET FILE UPLOAD EXAMPLE CODE
On the Debug menu, click Start to build and to run the application. LblUploadResult.Text = "Click 'Browse' to select the file to upload." LblUploadResult.Text = strFileName + " has been successfully uploaded." LblUploadResult.Text = strFileName + " already exists on the server!" Create the folder if it does not exist. StrFileName = Path.GetFileName(strFileName) Retrieve the name of the file that is posted.
ASP.NET FILE UPLOAD EXAMPLE CODE
To add this code, follow these steps:ĭouble-click the Upload button that was created in the Add a Button control section of this article to create an event handler for the Click event of the button control.Īdd the following code at the top of the Code window: using System.IO Īdd the following code to the Click event handler for the Upload button: string strFileName The code in this section retrieves the file from the local file system, checks to see if the file already exists on the server, and then uploads the file to the Web site. Upload the file on the Button Click event To display this output, a Panel control is created that contains a single label. This code is used to display the message to indicate whether the file upload is successful. In the HTML window of WebForm1, add the following code between the opening and closing tags, after the Button control code: This Button control is used to upload the file that you specified in the Input control.Ĭreate a Panel control that contains a single label to display the output In the HTML window of WebForm1, add the following code between the opening and closing tags, after the Input control code: Select the image file to upload to the server: Type the following text in front of the Input control in the HTML window of WebForm1: You can add a text string in front of the control to prompt the user.
This Input control specifies the file that you want to upload to the server. In the HTML window of WebForm1, add the following code between the opening and the closing tags: Add the Input control to specify the file that you want to upload to the server By default, the method attribute of the form is set to post so that you can send large amounts of data in the transaction. The action attribute in this code specifies that the page will process the request. The browser uses this attribute to encode the information that is posted to the server. The EncType attribute specifies the format of the data that is posted. In the HTML window of WebForm1, replace the form tag with the following: In Visual Studio, click Code on the View menu. On the File menu, point to New, and then click Project.
ASP.NET FILE UPLOAD EXAMPLE SOFTWARE
The following list outlines the recommended software and network infrastructure that you need:
This article assumes that you are familiar with the following topics: This article uses the EncType attribute of the form to achieve the functionality. The uploaded file is validated if it exists on the server.
This file that is being uploaded is validated against the server to make sure that you do not overwrite an existing file that is already been uploaded. An Input control is used to upload an image from your local computer.
ASP.NET FILE UPLOAD EXAMPLE HOW TO
This step-by-step article discusses how to upload an existing image file from your local hard disk drive to a Web site. Original product version: Visual C#, ASP.NET, Internet Information Services Original KB number: 816150 Introduction This article describes how to upload a file by using Microsoft Visual C#.
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