/// <summary>
/// Writes a datatable as a CSV string and returns the string
/// </summary>
/// <param name="dataTable">The data source</param>
/// <returns>A CSV representation of the data table</returns>
/// <param name="settings">Optional csv settings</param>
public static string ToCsv(this DataTable dataTable, ToCsvSettings settings = null)
{
Contract.Requires(dataTable != null);
StringBuilder fileContent = new StringBuilder();
bool firstLine = true;
settings = settings ?? new ToCsvSettings();
if (settings.IncludeHeaders)
{
fileContent.Append(string.Join(",", dataTable.Columns.Cast <DataColumn>())); //ToString for the header name?
firstLine = false;
}
foreach (DataRow dr in dataTable.Rows)
{
if (!firstLine)
{
fileContent.Append(System.Environment.NewLine);
}
fileContent.Append(dr.ToCsvRow(settings.QuoteCharacter));
firstLine = false;
}
return(fileContent.ToString());
}
/// <summary>
/// Writes a DataTable to a CSV file specified by the path
/// </summary>
/// <param name="dataTable">The datatable to write</param>
/// <param name="filePath">The location of the CSV to create</param>
/// <param name="settings">Optional csv settings</param>
public static void ToCsv(this DataTable dataTable, string filePath, ToCsvSettings settings = null)
{
settings = settings ?? new ToCsvSettings();
using (IFileWriter fileWriter = FileWriterFactory.GetFileWriter(filePath, settings.Compression))
{
fileWriter.Write(dataTable.ToCsv(settings));
}
}
