创建并在客户端 - 服务器系统中下载一个文本文件 [英] Create and download an text file in a client-server system

问题描述

在MS Dynamics CRM中，我将创造超过一个自己的功能区按钮与一些接触属性的文本文件。这个文件我想保存或下载到客户端计算机，使用户可以使用它。

in ms dynamics crm I will create over an own ribbon button an text file with some contact attributes. This file I would like to save or download to the client machine, so the user can work with it.

我怎样才能做到这一点？我要疯了，同时测试许多不同的方式。

How can i do this? I'm going crazy while testing a lot of different ways.

• 包含JavaScript的字符串创建并尝试与数据URI来立即下载它。这么想的工作

• create with javascript an string and try to downlaod it with data uri. dosen't work

VAR内容=测试;

window.open（数据：文/八位字节流，+ EN codeURIComponent（内容））;

尝试与Silverlight（localY坐标我可以创建一个文件），但远程这么想的工作

try with silverlight (localy I could create a file) but remote dosen't work

接下来的尝试是填补/用JavaScript在服务器上创建一个* .aspx文件，并创建一个文本文件。但我不知道这是工作或我可以做，否则？

next try was to fill/create with javascript an *.aspx file on the server and create a text file. But I don't know if this is working or what can i do otherwise?

请给我一些提示，以解决这个问题。

Please give me some hints to solve this problem.

推荐答案

好吧，我解决了这个问题。

Ok I solved it.

在CRM i集成的JavaScript code打开一个aspx的网站。

In crm i integrated javascript code to open an aspx site.

function CreateVCF() 
{
   var entityName = Xrm.Page.data.entity.getEntityName();
   var guid = Xrm.Page.data.entity.getId();
   window.open("http://xxxxx/vcfexport.aspx?guid="+guid+ "&name="+entityName );
}

和有我创建一个电子名片，并给它回下载

and there i create a vcard and give it back to download

public partial class vcfexport : System.Web.UI.Page {
    protected void Page_Load(object sender, EventArgs e) {

        //Authenticate using credentials of iis       
        ClientCredentials Credentials = new ClientCredentials();

        Uri OrganizationUri = new Uri("http://server/org/XRMServices/2011/Organization.svc");
        Uri HomeRealmUri = null;

        OrganizationServiceProxy serviceProxy = new OrganizationServiceProxy(OrganizationUri, HomeRealmUri, Credentials, null);

        IOrganizationService service = (IOrganizationService)serviceProxy;

        String guidString = Request.QueryString["guid"];
        String entityName = Request.QueryString["name"];

        if (guidString != null && entityName != null && guidString != "" && entityName != "") {

            ColumnSet columnSet = new ColumnSet(true);
            Guid guid = new Guid(guidString);

            // retrieve the contact dataset
            Entity contactEntity = service.Retrieve(entityName, guid, columnSet);

            // create new vcard
            VCard vcard = new VCard();
            vcard.FirstName = contactEntity.GetAttributeValue<String>("firstname");
            vcard.LastName = contactEntity.GetAttributeValue<String>("lastname");
            //......

            String fileName = vcard.LastName + " " + vcard.FirstName + ".vcf";

            Response.ContentType = "text/x-vcard";
            Response.AppendHeader("Content-Disposition", "attachment; filename=" + fileName);
            // give download window
            Response.Write(vcard.ToString());
            Response.End();


        } else {
            lblError.Text = "Es ist ein Fehler aufgetreten. Entityname oder guid sind falsch";
        }
    }

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