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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Write Data in Text File
Microsoft Dynamics AX (Archived)

Write Data in Text File

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Posted on by Community Member

Hi Sir,

Good day.  I have search how to write data to a text file and i have questions regarding this. where would i put the static server void WriteTextFile(Args _args) ? is it inside the datasource method? of control method?

static server void WriteTextFile(Args _args)
{
TextIo file;
FileName filename = @"c:\temp\cars.txt";
CarTable carTable;
container con;
FileIoPermission permission;
#File
;
try
{
permission = new FileIoPermission(filename, #io_write);
permission.assert();
file = new TextIo(filename, #io_write);
if (!file)
throw Exception::Error;
file.outRecordDelimiter(#delimiterCRLF);
file.outFieldDelimiter(";");
while select carTable
{
con = connull();
con = conins(con, 1, carTable.CarId);
con = conins(con, 2, carTable.CarBrand);
con = conins(con, 3, carTable.Mileage);
con = conins(con, 4, carTable.Model);
con = conins(con, 5, carTable.ModelYear);
file.writeExp(con);
}
}
catch(Exception::Error)
{
error("You do not have access to write the file to the selected folder");
}
CodeAccessPermission::revertAssert(); 
 }

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  • Suggested answer
    Chaitanya Golla Profile Picture
    Chaitanya Golla 17,225 on at
    RE: Write Data in Text File

    Hi,

    From your code, my understanding is that you want to export data from carTable.
    If you need to simply export data from table, then instead of datasource/control then you need to create a class with main method and  static method WriteTextFile and include your code there.Create a Action menuItem for the same.

    If you want to export only specific data on the form, then you can create a button and in the clicked method you can iterate through the selected datasource records like below:
    Declare: CarTable carTable;

    for (carTable = (CarTable_ds.getFirst(true) ? CarTable_ds.getFirst(true) : CarTable_ds.cursor());
carTable;
carTable = CarTable_ds.getNext())
{
//Your code to export data
}
  • Suggested answer
    Chaitanya Golla Profile Picture
    Chaitanya Golla 17,225 on at
    RE: Write Data in Text File

    Hi,

    Typically your code looks like below:

    i. Create a class (namely) ExportCarData

    ii. Create a main method, with a dialog field to select the file of type CSV or txt.

    public static void main(Args _args)
{
    Dialog                      dialog;
    DialogField                 dfFileName;
    
    dialog = new Dialog("Pick the file");
    dfFileName = dialog.addField(extendedTypeStr("FilenameOpen"));
    dialog.filenameLookupFilter(['csv','*.csv', '*.txt']);
    
    if (dialog.run())   
    {
        ExportCarData::WriteTextFile(dfFileName.value());     
    }
}

    3. Create a static method WriteTextFile with parameter as FileName.

    static server void WriteTextFile(Filename _fileName)
{
TextIo file;
FileName filename = _fileName;
SampleTable carTable;
container con;
FileIoPermission permission;
#File
;

try
{
    permission = new FileIoPermission(filename, #io_write);
    permission.assert();
    file = new TextIo(filename, #io_write);
    if (!file)
    throw Exception::Error;
    file.outRecordDelimiter(#delimiterCRLF);
    file.outFieldDelimiter(";");
    while select carTable
    {
        con = connull();
        con = conins(con, 1, carTable.CarId);
        con = conins(con, 2, carTable.CarBrand);
        con = conins(con, 3, carTable.Mileage);
        con = conins(con, 4, carTable.Model);
        con = conins(con, 5, carTable.ModelYear);
        file.writeExp(con);
    }
}
    
catch(Exception::Error)
{
    error("You do not have access to write the file to the selected folder");
}

    CodeAccessPermission::revertAssert(); 
 }


     

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