I have a query that pulls an unknown number of rows in to a datatable. I need to write the datatable to multiple tabbed delimited text files with only 55 rows per file. Desired results Ex. 176 records from query. File1 - 55 records, File2 - 55 records, File3 - 55 records, File6 - 11 records. I am not sure the best way to do this. Any help would be greatly appreciated.
Current Code:
DataTable results = sql results;
if (results.Rows.Count > 0)
{
int counter = 0;
int maxRows = 55;
string fileName = path + "File_" + today.ToString("yyyyMMdd") + ".txt";
if (File.Exists(fileName))
{
File.Delete(fileName);
}
for (int i = 0; i < results.Rows.Count; i++)
{
var currentRow = results.Rows[i];
_writer.WriteDataToFile(results, fileName, delimiter); //This method writes a datatable to a file
counter = counter + i;
}
}
Try following:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Data;
namespace ConsoleApplication190
{
class Program
{
const string PATH = @"Enter Path Here";
const int NUMBER_ROWS = 55;
static void Main(string[] args)
{
DataTable results = new DataTable();
DateTime today = DateTime.Now.Date;
if (results.Rows.Count > 0)
{
int filenumber = 0;
int rowCount = 0;
StreamWriter writer = null;
foreach (DataRow row in results.AsEnumerable())
{
if (rowCount % NUMBER_ROWS == 0)
{
if (writer != null)
{
writer.Flush();
writer.Close();
}
string fileName = PATH + "File_" + ++filenumber + "_" + today.ToString("yyyyMMdd") + ".txt";
writer = new StreamWriter(fileName);
}
writer.WriteLine(string.Join("\t", row.ItemArray));
rowCount++;
}
writer.Flush();
writer.Close()
}
}
}
}
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