如何在JavaScript中使用Base64String值设置Dynamics CRM / 365字段
[英]How to set a Dynamics CRM/365 field with Base64String value in JavaScript
问题描述
I want to set the "base64string" with the base 64 string value of a document, then I will later take that value and load the document onto sharepoint(I already have the c# code for this working through a console application). 
我想使用文档的基数64字符串值设置“ base64string”，然后稍后再使用该值并将文档加载到sharepoint（我已经有了通过控制台应用程序进行操作的c＃代码）。
My code below does not seem to work, basically the value is never set, The field base64string is a multi-line with 1 million characters. 我的以下代码似乎无法正常工作，基本上从未设置过该值，base64string字段是一个包含100万个字符的多行。
<html>
<head>
<meta charset="utf-8">
</head>
<body>
Please select a file and then hit Evaluate:
<br/>
<input id="file" type="file" />
<button id="button">Upload
<script>
document.getElementById('button').addEventListener('click', function() {
var files = document.getElementById('file').files;
if (files.length > 0) {
getBase64(files[0]);
}
});
function getBase64(file) {
var reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function () {
Xrm.Page.getAttribute("base64string").setValue(reader.result);
};
reader.onerror = function (error) {};
}
</script>
</body>
</html>
1 个解决方案
解决方案1
2 已采纳 2018-07-02 10:18:32
In Xrm.Page.getAttribute("base64string") , are you certain base64string is a field name? 在Xrm.Page.getAttribute("base64string") ，您确定base64string是字段名称吗？ If its a custom field it should have a prefix such as abc_base64string . 如果它是一个自定义字段，则应具有一个前缀，例如abc_base64string 。
Furthermore a HTML web resouce can't directly access Xrm.Page . 而且，HTML Web资源无法直接访问Xrm.Page 。
Reference other web resources from an HTML web resource . 从HTML Web资源引用其他Web资源 。
An HTML web resource added to a form can't use global objects defined by the JavaScript library loaded in the form.
I belive your code should look more like this: 我相信您的代码应该看起来像这样：
reader.onload = function () {
parent.Xrm.Page.getAttribute("abc_base64string").setValue(reader.result);
};
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