I have written
List<Attachment> lstAttachment = new List<Attachment>();
//Check if any error file is present in which case it needs to be send
if (new FileInfo(Path.Combine(errorFolder, errorFileName)).Exists)
{
Attachment unprocessedFile = new Attachment(Path.Combine(errorFolder, errorFileName));
lstAttachment.Add(unprocessedFile);
}
//Check if any processed file is present in which case it needs to be send
if (new FileInfo(Path.Combine(outputFolder, outputFileName)).Exists)
{
Attachment processedFile = new Attachment(Path.Combine(outputFolder, outputFileName));
lstAttachment.Add(processedFile);
}
Working fine and is giving the expected output.
Basically I am attaching the file to the list based on whether the file is present or not.
I am looking for any other elegant solution than the one I have written.
Reason: Want to learn differnt ways of representing the same program.
I am using C#3.0
Thanks.
Is it looks better?
...
var lstAttachment = new List<Attachment>();
string errorPath = Path.Combine(errorFolder, errorFileName);
string outputPath = Path.Combine(outputFolder, outputFileName);
AddAttachmentToCollection(lstAttachment, errorPath);
AddAttachmentToCollection(lstAttachment, outputPath);
...
public static void AddAttachmentToCollection(ICollection<Attachment> collection, string filePath)
{
if (File.Exists(filePath))
{
var attachment = new Attachment(filePath);
collection.Add(attachment);
}
}
How about a little LINQ?
var filenames = new List<string>()
{
Path.Combine(errorFolder, errorFilename),
Path.Combine(outputFolder, outputFilename)
};
var attachments = filenames.Where(f => File.Exists(f))
.Select(f => new Attachment(f));
Related
Where can I find code and instruction on how to allow users to upload files with Google Form without login?
I searched all over here and couldn't find any information.
https://developers.google.com/apps-script/reference
Thanks in advance.
The user will be uploading the files to your drive. So, google needs to verify the user. If there is no verification, someone can fill your drive in no time.
It is for your safety to know who has uploaded, so, login is must.
There's a workaround, I'm in a hurry to write the code now, but if you're interested let me know and I'll edit later.
Basically, you set up a web app with apps script, then you setup a custom HTML form, you'll have to manually collect the file, convert is to base64 then json, then when you catch it in apps script you reverse the process and save it wherever you want in your drive.
Since the user will be executing the script as you, there's no verification required
/*
These functions basically go through a file array and reads the files first as binary string (in second function), then converts the files to base64 string (func 1) before stringifying the files (after putting their base64 content into an object with other metadata attached; mime, name e.t.c);
You pass this stringified object into the body part of fetch(request,{body:"stringified object goes here"})
see next code block for how to read in apps script and save the files to google drive
N.B. The body data will be available under doPost(e){e.postData.contents}
*/
async function bundleFilesForUpload(){
let filesDataObj = [];
let copy = {fileInfo:{"ogname":"","meme":""},fileData:""};
for(let i = 0 ; i < counters.localVar.counters.filesForUploadArr.length ; i++){
let tempObj = JSON.parse(JSON.stringify(copy));
let file = counters.localVar.counters.filesForUploadArr[i];
tempObj.fileInfo.ogname = file.name;
tempObj.fileInfo.meme = file.type;
tempObj.fileData = await readFile(file).then((file)=>{
file = btoa(file);
return file;
}).then((file)=>{
return file;
})
filesDataObj.push(tempObj);
}
return filesDataObj;
}
async function readFile (file){
const toBinaryString = file => new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsBinaryString(file);
reader.onload = () => resolve(reader.result);
reader.onerror = error => reject(error);
});
let parsedFile = null;
parsedFile = await toBinaryString(file);
return parsedFile;
}
/*From doPost downward, we read the file Array convert the base64 to blob and make a file in google drive using the blob and metadata we have, you may also see some sheet code, I'm using sheet as db for this */
//in buit function doPost in Code.gs
doPost(e){
const myDataObj = JSON.parse(e.postData.contents);
mainFileFunc(myDataObj.params[0].dataObj.images);
//the actual object structure might look different from yours, console log around
}
function mainFileFunc(fileArr) {
let myArrObj = [{"madeit":"toFileF"}];
let copy = JSON.parse(JSON.stringify(myArrObj[0]));
//sheet.getRange("A1").setValue(JSON.stringify(fileArr.length));
for(let i=0 ; i < fileArr.length ; i++){
myArrObj.push(copy);
let blob = doFileStuff(fileArr[i].data,fileArr[i].info[0].mime,fileArr[i].id);
myArrObj[i] = uploadFileOne(blob,fileArr[i].id);
myArrObj[i].mime = fileArr[i].info[0].mime;
myArrObj[i].realName = fileArr[i].name;
// sheet.getRange("A"+(i+1)).setValue(myArrObj[i].name);
// sheet.getRange("B"+(i+1)).setValue(myArrObj[i].url);
// sheet.getRange("C"+(i+1)).setValue(myArrObj[i].mime);
// sheet.getRange("D"+(i+1)).setValue(myArrObj[i].size);
}
return myArrObj;
}
function doFileStuff(filedata,filetype,filename){
var data = Utilities.base64Decode(filedata, Utilities.Charset.UTF_8);
var blob = Utilities.newBlob(data,filetype,filename);
return blob;
}
function uploadFileOne(data,filename) {
let myObj = {}
myObj["name"] = "";
myObj["realName"] = "Story_Picture";
myObj["url"] = "";
myObj["mime"] = "";
myObj["size"] = "";
myObj["thumb"] = "nonety";
var folders = DriveApp.getFoldersByName("LadhaWeb");
while (folders.hasNext()) {
var folder = folders.next();
folder.createFile(data);
}
var files = DriveApp.getFilesByName(filename);
while (files.hasNext()) {
var file = files.next();
myObj.name = file.getName();
myObj.url = file.getUrl();
myObj.mime = file.getMimeType();
myObj.size = file.getSize();
}
return myObj;
}
You can view the full frontend code for this project here and the backend here.
Hope this helps someone.
I have written a piece of code to create a word document by mail merge using Syncfusion (Assembly Syncfusion.DocIO.Portable, Version=17.1200.0.50,), Angular 7+ and .NET Core. Please see the code below.
private MemoryStream MergePaymentPlanInstalmentsScheduleToPdf(List<PaymentPlanInstalmentReportModel>
PaymentPlanDetails, byte[] templateFileBytes)
{
if (templateFileBytes == null || templateFileBytes.Length == 0)
{
return null;
}
var templateStream = new MemoryStream(templateFileBytes);
var pdfStream = new MemoryStream();
WordDocument mergeDocument = null;
using (mergeDocument = new WordDocument(templateStream, FormatType.Docx))
{
if (mergeDocument != null)
{
var mergeList = new List<PaymentPlanInstalmentScheduleMailMergeModel>();
var obj = new PaymentPlanInstalmentScheduleMailMergeModel();
obj.Applicants = 0;
if (PaymentPlanDetails != null && PaymentPlanDetails.Any()) {
var applicantCount = PaymentPlanDetails.GroupBy(a => a.StudentID)
.Select(s => new
{
StudentID = s.Key,
Count = s.Select(a => a.StudentID).Distinct().Count()
});
obj.Applicants = applicantCount?.Count() > 0 ? applicantCount.Count() : 0;
}
mergeList.Add(obj);
var reportDataSource = new MailMergeDataTable("Report", mergeList);
var tableDataSource = new MailMergeDataTable("PaymentPlanDetails", PaymentPlanDetails);
List<DictionaryEntry> commands = new List<DictionaryEntry>();
commands.Add(new DictionaryEntry("Report", ""));
commands.Add(new DictionaryEntry("PaymentPlanDetails", ""));
MailMergeDataSet ds = new MailMergeDataSet();
ds.Add(reportDataSource);
ds.Add(tableDataSource);
mergeDocument.MailMerge.ExecuteNestedGroup(ds, commands);
mergeDocument.UpdateDocumentFields();
using (var converter = new DocIORenderer())
{
using (var pdfDocument = converter.ConvertToPDF(mergeDocument))
{
pdfDocument.Save(pdfStream);
pdfDocument.Close();
}
}
mergeDocument.Close();
}
}
return pdfStream;
}
Once the document is generated, I notice there is a blank page (with the footer) at the end. I searched for a solution on the internet over and over again, but I was not able to find a solution. According to experts, I have done the initial checks such as making sure that the initial word template file has no page breaks, etc.
I am wondering if there is something that I can do from my code to remove any extra page breaks or anything like that, which can cause this.
Any other suggested solution for this, even including MS Word document modifications also appreciated.
Please refer the below documentation link to remove empty page at the end of Word document using Syncfusion Word library (Essential DocIO).
https://www.syncfusion.com/kb/10724/how-to-remove-empty-page-at-end-of-word-document
Please reuse the code snippet before converting Word to PDF in your sample application.
Note: I work for Syncfusion.
I'm trying to dynamically create a PowerPoint presentation. One slide has a bunch of placeholder images that need to be changed based on certain values.
My approach is to create a new ImagePart and link it to the according Blip. The image is downloaded and stored to the presentation just fine. The problem is, that there is no relationship created in slide.xml.rels file for the image, which leads to an warning about missing images and empty boxes on the slide.
Any ideas what I am doing wrong?
Thanks in advance for your help! Best wishes
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite siteCollection = new SPSite(SPContext.Current.Site.RootWeb.Url))
{
using (SPWeb oWeb = siteCollection.OpenWeb())
{
SPList pictureLibrary = oWeb.Lists[pictureLibraryName];
SPFile imgFile = pictureLibrary.RootFolder.Files[imgPath];
byte[] byteArray = imgFile.OpenBinary();
int pos = Convert.ToInt32(name.Replace("QQ", "").Replace("Image", ""));
foreach (DocumentFormat.OpenXml.Presentation.Picture pic in pictureList)
{
var oldimg = pic.BlipFill.Blip.Embed.ToString(); ImagePart ip = (ImagePart)slidePart.AddImagePart(ImagePartType.Png, oldimg+pos);
using (var writer = new BinaryWriter(ip.GetStream()))
{
writer.Write(byteArray);
}
string newId = slidePart.GetIdOfPart(ip);
setDebugMessage("new img id: " + newId);
pic.BlipFill.Blip.Embed = newId;
}
slidePart.Slide.Save();
}
}
});
So, for everyone who's experiencing a similar problem, I finally found the solution. Quite a stupid mistake. Instad of PresentationDocument document = PresentationDocument.Open(mstream, true); you have to use
using (PresentationDocument document = PresentationDocument.Open(mstream, true))
{
do your editing here
}
This answer brought me on the right way.
I have a word template and I want to create doc file from that, also I want to replace add data in place of bookmarks present in the template.
I have been able to create a doc file, but I am not able to understand, how to add data in place of bookmarks?
My code till now:
private void CreateSampleWordDocument()
{
string sourceFile = Path.Combine(Environment.CurrentDirectory, "GeneralWelcomeLetter.dotx");
string destinationFile = Path.Combine(Environment.CurrentDirectory, "Sample.docx");
try
{
File.Copy(sourceFile, destinationFile, true);
WordprocessingDocument document = WordprocessingDocument.Open(destinationFile, true);
document.ChangeDocumentType(DocumentFormat.OpenXml.WordprocessingDocumentType.Document);
MainDocumentPart mainPart = document.MainDocumentPart;
DocumentSettingsPart documentSettingPart1 = mainPart.DocumentSettingsPart;
AttachedTemplate attachedTemplate1 = new AttachedTemplate() { Id = "relationId1" };
documentSettingPart1.Settings.Append(attachedTemplate1);
}
catch
{
}
}
Now to add data from database in place of bookmarks?
I am trying to read a xml file from the web and parse it out using XDocument. It normally works fine but sometimes it gives me this error for day:
**' ', hexadecimal value 0x1F, is an invalid character. Line 1, position 1**
I have tried some solutions from Google but they aren't working for VS 2010 Express Windows Phone 7.
There is a solution which replace the 0x1F character to string.empty but my code return a stream which doesn't have replace method.
s = s.Replace(Convert.ToString((byte)0x1F), string.Empty);
Here is my code:
void webClient_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
using (var reader = new StreamReader(e.Result))
{
int[] counter = { 1 };
string s = reader.ReadToEnd();
Stream str = e.Result;
// s = s.Replace(Convert.ToString((byte)0x1F), string.Empty);
// byte[] str = Convert.FromBase64String(s);
// Stream memStream = new MemoryStream(str);
str.Position = 0;
XDocument xdoc = XDocument.Load(str);
var data = from query in xdoc.Descendants("user")
select new mobion
{
index = counter[0]++,
avlink = (string)query.Element("user_info").Element("avlink"),
nickname = (string)query.Element("user_info").Element("nickname"),
track = (string)query.Element("track"),
artist = (string)query.Element("artist"),
};
listBox.ItemsSource = data;
}
}
XML file:
http://music.mobion.vn/api/v1/music/userstop?devid=
0x1f is a Windows control character. It is not valid XML. Your best bet is to replace it.
Instead of using reader.ReadToEnd() (which by the way - for a large file - can use up a lot of memory.. though you can definitely use it) why not try something like:
string input;
while ((input = sr.ReadLine()) != null)
{
string = string + input.Replace((char)(0x1F), ' ');
}
you can re-convert into a stream if you'd like, to then use as you please.
byte[] byteArray = Encoding.ASCII.GetBytes( input );
MemoryStream stream = new MemoryStream( byteArray );
Or else you could keep doing readToEnd() and then clean that string of illegal characters, and convert back to a stream.
Here's a good resource for cleaning illegal characters in your xml - chances are, youll have others as well...
https://seattlesoftware.wordpress.com/tag/hexadecimal-value-0x-is-an-invalid-character/
What could be happening is that the content is compressed in which case you need to decompress it.
With HttpHandler you can do this the following way:
var client = new HttpClient(new HttpClientHandler
{
AutomaticDecompression = DecompressionMethods.GZip
| DecompressionMethods.Deflate
});
With the "old" WebClient you have to derive your own class to achieve the similar effect:
class MyWebClient : WebClient
{
protected override WebRequest GetWebRequest(Uri address)
{
HttpWebRequest request = base.GetWebRequest(address) as HttpWebRequest;
request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
return request;
}
}
Above taken from here
To use the two you would do something like this:
HttpClient
using (var client = new HttpClient(new HttpClientHandler { AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate }))
{
using (var stream = client.GetStreamAsync(url))
{
using (var sr = new StreamReader(stream.Result))
{
using (var reader = XmlReader.Create(sr))
{
var feed = System.ServiceModel.Syndication.SyndicationFeed.Load(reader);
foreach (var item in feed.Items)
{
Console.WriteLine(item.Title.Text);
}
}
}
}
}
WebClient
using (var stream = new MyWebClient().OpenRead("http://myrss.url"))
{
using (var sr = new StreamReader(stream))
{
using (var reader = XmlReader.Create(sr))
{
var feed = System.ServiceModel.Syndication.SyndicationFeed.Load(reader);
foreach (var item in feed.Items)
{
Console.WriteLine(item.Title.Text);
}
}
}
}
This way you also recieve the benefit of not having to .ReadToEnd() since you are working with the stream instead.
Consider using System.Web.HttpUtility.HtmlDecode if you're decoding content read from the web.
If you are having issues replacing the character
For me there were some issues if you try to replace using the string instead of the char. I suggest trying some testing values using both to see what they turn up. Also how you reference it has some effect.
var a = x.IndexOf('\u001f'); // 513
var b = x.IndexOf(Convert.ToString((byte)0x1F)); // -1
x = x.Replace(Convert.ToChar((byte)0x1F), ' '); // Works
x = x.Replace(Convert.ToString((byte)0x1F), " "); // Fails
I blagged this
I had the same issue and found that the problem was a embedded in the xml.
The solution was:
s = s.Replace(" ", " ")
I'd guess it's probably an encoding issue but without seeing the XML I can't say for sure.
In terms of your plan to simply replace the character but not being able to, because you have a stream rather than a text, simply read the stream into a string and then remove the characters you don't want.
Works for me.........
string.Replace(Chr(31), "")
I used XmlSerializer to parse XML and faced the same exception.
The problem is that the XML string contains HTML codes of invalid characters
This method removes all invalid HTML codes from string (based on this thread - https://forums.asp.net/t/1483793.aspx?Need+a+method+that+removes+illegal+XML+characters+from+a+String):
public static string RemoveInvalidXmlSubstrs(string xmlStr)
{
string pattern = "&#((\\d+)|(x\\S+));";
Regex regex = new Regex(pattern, RegexOptions.IgnoreCase);
if (regex.IsMatch(xmlStr))
{
xmlStr = regex.Replace(xmlStr, new MatchEvaluator(m =>
{
string s = m.Value;
string unicodeNumStr = s.Substring(2, s.Length - 3);
int unicodeNum = unicodeNumStr.StartsWith("x") ?
Convert.ToInt32(unicodeNumStr.Substring(1), 16)
: Convert.ToInt32(unicodeNumStr);
//according to https://www.w3.org/TR/xml/#charsets
if ((unicodeNum == 0x9 || unicodeNum == 0xA || unicodeNum == 0xD) ||
((unicodeNum >= 0x20) && (unicodeNum <= 0xD7FF)) ||
((unicodeNum >= 0xE000) && (unicodeNum <= 0xFFFD)) ||
((unicodeNum >= 0x10000) && (unicodeNum <= 0x10FFFF)))
{
return s;
}
else
{
return String.Empty;
}
})
);
}
return xmlStr;
}
Nobody can answer if you don't show relevant info - I mean the Xml content.
As a general advice I would put a breakpoint after ReadToEnd() call. Now you can do a couple of things:
Reveal Xml content to this forum.
Test it using VS Xml visualizer.
Copy-paste the string into a txt file and investigate it offline.