csv

  1. epiCode

    B4J Question Optimal way to store Arrays as CSV?

    I do not have enough experience with B4J. I am currently saving a list of arrays having multiple string items as a CSV like this: 1. Iterate over the list having arrays 2. Read array elements one by one 3. Create a string with array elements and commas in between 4. Add that string to new list...
  2. carlos7000

    Spanish Error al tratar de mostrar datos de un archivo CSV. SOLUCIONADO

    Escribí un pequeño programa para probar si puedo leer y mostrar los datos contenidos en un archivo CSV. Todo parece funcionar hasta que la ejecución del programa llega a la línea Log("Fecha: " & subList.Get(0)) El error que arroja B4J es: He casteado los datos de la siguiente forma...
  3. P

    Android Question [SOLVED] Export Specific B4XTable Columns

    Greetings community, Below is the code I use to export my data from my B4xTable to csv and it works for me. But now, i want to be able to export specific columns. Lets say, i want to export all the columns ["USERNAME", "ID","FULLNAME","DATE OF...
  4. Luca1967

    Italian Caricamento csv in una tabella DB

    Ciao a tutti. Devo caricare un csv composto da 140.000 righe in una tabella. Ci riesco ma il caricamento è molto lento. Ho provato con la libreria DBUTILS ma mi dà l'errore : Uncaught translation error: min-sdk-version >= 26) Esiste un metodo rapido e veloce per caricare tutti i dati? Al...
  5. IndieDev

    Android Question [SOLVED] Out of Memory error trying to load a large CSV file

    Hi, I'm trying to load a CSV file from: https://data.covid19india.org/csv/latest/districts.csv Dim j As HttpJob j.Initialize("", Me) j.Download("https://data.covid19india.org/csv/latest/districts.csv") Wait For (j) JobDone(j As HttpJob) If j.Success Then...
  6. R

    Android Question Parsing .csv file

    I am dealing with large and often misformed .csv files and StringUtils.LoadCSV is not flexible enough to cope with all these, so wrote a parsing function in B4A, having the same output (list holding 1D string arrays). This seems to work all fine, but it is about 3-4x slower that...
  7. S

    Android Question Import or read db with 1.000.000 and more records

    Hi, i have a csv file with 1.000.000 and more records. My initially idea is read and copy the records into my sqlite database, because i want my records locally, but the file is too big and the app crash (450 mb). What is the best way to copy locally or it's better to read remotely this file...
  8. Dave O

    Android Question safely reading text files that may not be UTF8?

    Is there a recommended way of detecting/reading non-UTF8 text files? One of my apps lets users import CSV files. Recently a German user reported that the import wasn't working, and we think we've narrowed it to the file encoding. Encoding: He's saving his CSV file in "normal" encoding for...
  9. Dave O

    Android Question [solved] missing rows in saved CSV file?

    After 2 days of bafflement, I'm asking for fresh eyes. o_O I'm exporting data to a CSV file, but it seems to be losing the last few lines of the data. There are 190 rows of data, but I'm only seeing 170 in the resulting file. The last line in the file is incomplete (missing part of a value in...
  10. Mashiane

    B4J Tutorial [BANanoWebix] Lesson 8.3 Datatable Pagination & Exporting to XLSX, PNG, PDF and CSV

    Ola Lesson 8.1 Lesson 8.2 Lesson 8.3 Lesson 8.4 As per subject matter this lesson is about a data-table with a pager and also functionality to export its contents to PNG, PDF, CSV and XLSX. It's so amazing that with just a few object (map) settings and then a few simple calls webix does...
    • Mashiane
    • Thread
    • banano bananowebix csv datatable export as zip pagination pdf png xlsx
    • Replies: 2
    • Forum: B4J Tutorials
Top