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I have student table with some feilds and I want export excel file format that student table in asp.net after export i will change some data feilds to excel and import that excel file to asp.net. If I will change data to excel means after import excel file that changes want update to student table in sql server
LINQ-to-Excel to read an excel file. I have not used this personally, but it does look promising.
Use DoddleReport to create excel files from LINQ generated data.
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Why do we always import .csv files to R instead of .xls files? Is there any advantage?
Historically, it was hard to import xls files in R
We need to load a library to load xls
xls is a proprietary format and you need to have MS Excel to be sure in your data content
Now i often use xlsx files to save/load some data structures. Unfortunately, i've got some bugs with export the data with large "user input" strings.
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How I can build web interface to upload CSV files then filter the column names into select option 6 "as described in shiny gallery", the result from selection creating new view then download it as another CSV file,
There are examples in the Shiny docs that demonstrate almost exactly what you're looking for:
Upload a CSV file
https://shiny.rstudio.com/gallery/file-upload.html
Download a CSV file
https://shiny.rstudio.com/gallery/file-download.html
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Is it possible to import a table into R directly from Google docs without authorization key? I have a sharable google sheet that I try to connect to shiny app but couldn't find a proper way.
With the package gsheet you can read in a sheet from the shareable link.
Example given in the docs:
library(gsheet)
url <- 'docs.google.com/spreadsheets/d/1I9mJsS5QnXF2TNNntTy-HrcdHmIF9wJ8ONYvEJTXSNo'
a <- gsheet2tbl(url)
It's quite nice.
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I want to create a program which allow in html to read excel data and form a graph but I do not know how to do it.
Any idea how to do it? Possible then could you send me a link I can look to start the project?
Take a look at js-xlsx(https://github.com/SheetJS/js-xlsx) library using tha t you can parse excel files.
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Where exactly does Alfresco Share store it's data list entries? Somewhere in the file system or in the database?
Datalists are modeled as their own Alfresco content types (defined in datalistModel.xml) and stored in the database. Only files are stored in the file system (contentStore) in Alfresco.
Well, I found a database table called alf_content_url containing an url to the repository:
store://2012/9/24/22/58/e9d360e5-9292-4e8c-9cd4-8fe2e6724a45.bin
and the file itself exists in the file system containing all entries of one data list in one binary file:
alfresco-4.0.e/alf_data/contentstore/2012/9/24/22/58/e9d360e5-9292-4e8c-9cd4-8fe2e6724a45.bin