How to upload text file in asp.net using c#

We will be using ASP. At this point, I want to state that allowing the users to upload the files can be dangerous if misused. Therefore, be careful how you use it. In this article, we will allow the users to upload the files to the Server by using the ASP:fileupload control.

We will also validate the file extension and only allow the previously mentioned file types. We will also use an ASP:repeater to display the uploaded images, so the user can see that it has worked. If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem.

Insults are not welcome. Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question. Let's work to help developers, not make them feel stupid. Related Questions. Upload Image by using asp.

Split upload textfile based on size in asp. How to avoid malicious file upload while uploading via file upload in ASP. NET with C? Upload data from textfile into Ms Access which using delimiter. How to create a new textfile, with specific requirements.

How to reduce image file size while uploading multiple images using ASP. NET C. To display this output, a Panel control is created that contains a single label.

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. To add this code, follow these steps:. Double-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. Add the following code to the Click event handler for the Upload button:.

On the Debug menu, click Start to build and to run the application. A text box and a command button appear. Type the path of the image file in the text box, or click Browse to locate the image file on your local computer. Click Upload to send the file to the server.

If the file is unique, you receive a message that the upload succeeded. If the file already exists on the server, you receive an appropriate message.

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