private void DatasetInfo(Map map)
{
IDataset dataset = null;
int index = 0;
while ((dataset = map[index]) != null)
{
Console.WriteLine($"Dataset {index}");
Console.WriteLine("==============================================================================");
Console.WriteLine($"Type: { dataset.GetType() }");
Console.WriteLine(Environment.NewLine);
Console.WriteLine($"ConnectionString:");
Console.WriteLine("------------------------------------------------------------------------------");
var connectionParameters = ConfigTextStream.Extract(dataset.ConnectionString);
foreach (string key in connectionParameters.Keys)
{
Console.WriteLine($"{ key }={ ConfigTextStream.SecureConfigValue(key, connectionParameters[key]) }");
}
if (!String.IsNullOrEmpty(dataset.LastErrorMessage))
{
Console.WriteLine(Environment.NewLine);
Console.WriteLine("Errors:");
Console.WriteLine("------------------------------------------------------------------------------");
Console.WriteLine(dataset.LastErrorMessage);
}
Console.WriteLine(Environment.NewLine);
index++;
}
}
private int MaximumFieldLength(IDataset dataset)
{
MaximumFieldnameLength maxLength = Attribute.GetCustomAttribute(dataset.GetType(), typeof(MaximumFieldnameLength)) as MaximumFieldnameLength;
if (maxLength != null)
{
return(maxLength.Value);
}
return(255);
}
private void MakeGui()
{
if (_dataset != null)
{
txtName.Text = _dataset.DatasetName;
txtType.Text = _dataset.GetType().ToString();
txtGroupName.Text = _dataset.DatasetGroupName;
txtProvider.Text = _dataset.ProviderName;
txtConnectionString.Text = ConfigTextStream.SecureConfig(_dataset.ConnectionString);
}
}
/// <summary>
/// Writes CSV data to specified file.
/// </summary>
public static void WriteData(IDataset dataset, string fileName, string separator, CancellationToken token)
{
using (StreamWriter file = new StreamWriter(fileName, false, Encoding.UTF8))
{
token.ThrowIfCancellationRequested();
int width = dataset.ColumnsCount;
if (width == 0)
{
return;
}
int length = dataset.RowsCount;
string[] columnNames = dataset.Columns.Select(c => c.Name).ToArray();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < width; i++)
{
if (i > 0)
{
sb.Append(separator);
}
AppendValue(sb, columnNames[i]);
}
if (length > 0)
{
sb.Append(Environment.NewLine);
}
file.Write(sb.ToString());
sb.Clear();
token.ThrowIfCancellationRequested();
// Values.
for (int row = 0; row < length; row++)
{
for (int column = 0; column < width; column++)
{
token.ThrowIfCancellationRequested();
if (column > 0)
{
sb.Append(separator);
}
string value;
switch (dataset.GetType(column, row))
{
case CellType.Boolean:
value = dataset.GetBoolean(column, row).GetValueOrDefault() ? "TRUE" : "FALSE";
break;
case CellType.Text:
value = dataset.GetText(column, row);
break;
case CellType.Error:
value = dataset.GetError(column, row);
break;
case CellType.Number:
value = dataset.GetNumber(column, row).GetValueOrDefault()
.ToString(CultureInfo.InvariantCulture);
break;
case CellType.Nothing:
value = "";
break;
default:
throw new Exception("Unknown cell type");
}
AppendValue(sb, value);
}
if (row < length - 1)
{
sb.Append(Environment.NewLine);
}
file.Write(sb.ToString());
sb.Clear();
}
}
}