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    <p>It is not clear what you want to save. In a web application you could use the file input to upload files to the server:</p> <pre><code>&lt;input type="file" name="file" /&gt; </code></pre> <p>For more information about uploading files in an ASP.NET MVC application you may take a look at the <a href="https://stackoverflow.com/questions/5193842/file-upload-asp-net-mvc-3-0/5193851#5193851"><code>following post</code></a>.</p> <p>If on the other hand you want the user to be able to download some file from the server and prompted for the location where he wants to save this file you could return a File result from a controller action and specify the MIME type and filename:</p> <pre><code>public ActionResult Download() { var file = Server.MapPath("~/App_Data/foo.txt");\ return File(file, "text/plain", "foo.txt"); } </code></pre> <p>There are also other overloads of the <a href="http://msdn.microsoft.com/en-us/library/system.web.mvc.controller.file%28v=vs.98%29.aspx" rel="nofollow noreferrer"><code>File</code></a> method that allow you to dynamically generate a file and pass it as a stream to the client. But the important part to understand in a web application when downloading a file from a server is the <code>Content-Disposition</code> header. It has 2 possible values: <code>inline</code> and <code>attachment</code>. For example with the above code the following header will be added to the response:</p> <pre><code>Content-Type: text/plain Content-Disposition: attachment; filename=foo.txt ... contents of the file ... </code></pre> <p>When the browser receives this response from the server it will prompt the user with a Save As dialog allowing him to choose the location on his computer to store the downloaded file.</p> <hr> <p>UPDATE:</p> <p>Here's how you could achieve similar in a web application:</p> <pre><code>public ActionResult Download() { var file1 = File.ReadAllLines(Firstfilpath); var file2 = File.ReadAllLines(2ndfilpath); var mergedFile = string.Concat(file1, file2); return File(mergedFile, "text/plain", "result.txt"); } </code></pre>
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    1. USDarin Dimitrov
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    1. CODarin, i get the two file in my server side. I need merge these two file and save the single file. i need to get that single file name for user manually location how its possible?
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    2. COOnly a single file can be streamed to the client. You could compress the 2 files in a single ZIP file and then return this ZIP file to the client. If by *merge* you mean something else then please explain. For example maybe those files are of some special type and can be merged. But first you have to provide more details about your specific scenario.
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    3. CONow check the my post .This is for windows application. How to cahnge this web application?
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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