如何使用C＃来下载XML文件中的asp.net [英] How to download xml file in asp.net using C#

问题描述

我使用的是Web应用程序的 asp.net MVC3与。我是新来MVC3。我有我的网页上的下载按钮。当我去点击下载按钮，我想能够打开该XML文件

我曾尝试在某些code变化的的ActionResult ，但我没有得到打开的文件。通过使用下面提到code我得到一个下载弹出。每当我要打开的文件，我得到一些例外，如下图所示。任何人都可以请帮我做到这一点的？帮我解决这个问题。 ： - ）

先谢谢了。

在我的控制器code是：

 公共FileResult下载（字符串ID）
{
    字符串FID = Convert.ToString（ID）;    。VAR模型= service.GetAllDefinitions（）第一个（X =＆GT; x.ID == ID）;
    VAR definitionDetails =新StatisticDefinitionModel（模型）;
    VAR定义= definitionDetails.ToXml;    字符串文件名= definitionDetails.Name +的.xml
    字符串的contentType =文/ XML;    返回文件（Encoding.Uni code.GetBytes（定义），contentType中，文件名）;
   }
 

唯一的例外是：

 无法显示的XML页面
使用XSL样式表无法查看XML输入。请更正错误，然后单击刷新按钮，或稍后重试。
-------------------------------------------------- ------------------------------一个名字开始与无效字符。错误处理资源'的file：/// C：/用户/ ASUB /下载/ fileNamegd ...＆LT;
 

解决方案

您不能传递一个字节数组，你需要一个流。刚刚从你的定义通流：

 公共FileResult下载（字符串ID）{
        字符串FID = Convert.ToString（ID）;        。VAR模型= service.GetAllDefinitions（）第一个（X =＆GT; x.ID == ID）;
        VAR definitionDetails =新StatisticDefinitionModel（模型）;
        VAR定义= definitionDetails.ToXml;        字符串文件名= definitionDetails.Name +的.xml
        字符串的contentType =文/ XML;        返回文件（新的MemoryStream（Encoding.Uni code.GetBytes（定义）），contentType中，文件名）;
    }
 

I am using an web application asp.net with mvc3. I am new to mvc3. I am having a download button on my webpage. when i am going to click the download button ,I want to able to open that XML File.

I have tried with some code changes in ActionResult but I didnt get the file opened. By using the below mentioned code I am getting a download popup. whenever i am going to open the file I am getting some exception as shown below. Can anyone please help me for do this? Help me to resolve this problem . :-)

Thanks in Advance.

My code in controller is:

public FileResult Download(string id)
{
    string fid = Convert.ToString(id);

    var model = service.GetAllDefinitions().First(x => x.ID == id);
    var definitionDetails = new StatisticDefinitionModel(model);
    var definition = definitionDetails.ToXml;

    string fileName = definitionDetails.Name + ".xml";
    string contentType = "text/xml";

    return File(Encoding.Unicode.GetBytes(definition), contentType, fileName);
   }

The exception is:

The XML page cannot be displayed 
Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later. 


--------------------------------------------------------------------------------

A name was started with an invalid character. Error processing   resource 'file:///C:/Users/asub/Downloads/fileNamegd...

<

解决方案

You can't pass a byte array, you need a Stream. Just pass a stream from your definition:

    public FileResult Download(string id) {
        string fid = Convert.ToString(id);

        var model = service.GetAllDefinitions().First(x => x.ID == id);
        var definitionDetails = new StatisticDefinitionModel(model);
        var definition = definitionDetails.ToXml;

        string fileName = definitionDetails.Name + ".xml";
        string contentType = "text/xml";

        return File(new MemoryStream(Encoding.Unicode.GetBytes(definition)), contentType, fileName);
    }

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