const map = new Map (, ,, ] ) const jsonText = JSON. We can use the replacer to specify the entries to be serialized. Maps are normally serialized as objects with no properties. To transfer large numbers without loss of precision, serialize them as strings, and revive them to BigInts, or other appropriate arbitrary precision formats. So, for example, numbers in JSON text will have already been converted to JavaScript numbers, and may lose precision in the process. ![]() Note that reviver is run after the value is parsed. For JSON text parsing to primitive values, reviver will be called once. Similar to the replacer parameter of JSON.stringify(), reviver will be last called on the root object with an empty string as the key and the root object as the value. If the reviver only transforms some values and not others, be certain to return all untransformed values as-is - otherwise, they will be deleted from the resulting object. Otherwise, the property is redefined to be the return value. If the reviver function returns undefined (or returns no value - for example, if execution falls off the end of the function), the property is deleted from the object. The reviver is called with the object containing the property being processed as this, and two arguments: key and value, representing the property name as a string (even for arrays) and the property value. Specifically, the computed value and all its properties (in a depth-first fashion, beginning with the most nested properties and proceeding to the original value itself) are individually run through the reviver. Your goal is to FIRST find some routines that can take HTML, and convert that HTML into valid PDF format.If a reviver is specified, the value computed by parsing is transformed before being returned. ![]() Leave out the byte stream issue - you need code to convert HTML to a pdf format, and NONE of the issues in regards to some byte array matters here one bit. You will need to adopt some code to convert that byte stream which you note is in HTML format, and you need to take that resulting markup, and convert it into a valid PDF. Well, as noted, the byte steam is going to be a word, PDF, Excel or even a png file.ĭealing with a byte stream has quite much ZERO do to with converting some source format to another format. So above can fix and address the "large" file download issue. If not, then you need some type of PDF library to convert whatever source format the byte steam is into a valid PDF format before any of the above will work. It probably possible to do a loop, and using response.binarywrite the byte array in chunks, but the above save as a file and using transmit file probably is a better choice.Īnd once again, in closing? That byte stream you have is ALREADY assumed to be in a valid PDF file format. So, if you have a byte array, then FIRST save it to the local file system - you have to make up or have a file name.Įg this: // byte MyFileData = whatever byte streamįile.WriteAllBytes(sFileWithPath, MyFileData) ![]() So, in your case, save the byte stream you have as a file, and then use above transmit file - it will "chunk up" the data into smaller byte sized bits and parts. Response.AppendHeader("Content-Disposition", "attachment filename=" + sFileNameOnly) Response.AppendHeader("Content-Length", ()) String sMineType = MimeMapping.GetMimeMapping(sFileWithPath) įileInfo sFinfo = new FileInfo(sFileWithPath) // get lengh of file String sFileNameOnly = Path.GetFileName(sFileWithPath) This code: string sFileWithPath = (File.Exists(sFileWithPath)) This will not use huge memory, and "stream" in chunks to the browser side as a legitimate file download process. Save the byte stream to disk as a pdf file, and THEN using transmit file. Well, as you are noting, if the buffer size is rather large, then your blowing out the browser capacity here. Assuming this byte stream is a 100% valid PDF byte stream?
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