RichEditBuilder.Open(Func<Byte[]>, DocumentFormat, String) Method

Opens a document specified by an array of bytes.

Namespace: DevExpress.AspNetCore.RichEdit

Assembly: DevExpress.AspNetCore.RichEdit.v25.1.dll

NuGet Package: DevExpress.AspNetCore.RichEdit

Declaration

public RichEditBuilder Open(
    Func<byte[]> contentAccessorByBytes,
    DocumentFormat format,
    string documentName = null
)

Parameters

Name	Type	Description
contentAccessorByBytes	Func<Byte[]>	A method delegate that gets a byte array from which to open the document.
format	DocumentFormat	An object that specifies the document format.

Optional Parameters

Name	Type	Default	Description
documentName	String	null	The name of the file to open. Also serves as an exported file name.

Returns

Type	Description
RichEditBuilder	A RichEditBuilder that allows you to configure the Rich Text Editor.

Remarks

View

<script>
    function SaveRichDocument(data) {
        richEdit.save();
    }
</script>
<button type="button" class="btn btn-primary" onclick="SaveRichDocument()">Save</button>

@(Html.DevExpress().RichEdit("richEdit")
    .Width("100%")
    .Height(800)
    .Ribbon(ribbon => ribbon
        .ActiveTabIndex(0)
    )
    .ExportUrl(Url.Action("SaveAction"))
    .Open(() => { return Model.ContentAccessorByBytes; }, DevExpress.AspNetCore.RichEdit.DocumentFormat.OpenXml)
) 

Controller

public IActionResult Index() {
    var fileBytes = System.IO.File.ReadAllBytes(Path.Combine(Env.ContentRootPath, "Example.docx"));
    var viewmodel = new RichEditViewModel(fileBytes);
    return View(viewmodel);
}
public IActionResult SaveAction(string base64, string fileName, DevExpress.AspNetCore.RichEdit.DocumentFormat format) {
    byte[] fileContents = System.Convert.FromBase64String(base64);
    System.IO.File.WriteAllBytes(Path.Combine(Env.ContentRootPath, "Example.docx"), fileContents);
    return Ok();
}

View Example: How to load/save documents from/to a database