public override ImportRowSource CreateRowSource(IProgressObserver progress)
{
if (_options == null)
{
throw new Exception("Null or incorrect options type received!");
}
ImportRowSource rowsource = null;
var service = new ImportStagingService();
int rowCount = 0;
var values = new List <string>();
if (progress != null)
{
progress.ProgressMessage(String.Format("Importing data - Stage 1 Connecting to input source...", rowCount));
}
WithExcelWorksheetRows(_options.Filename, _options.Worksheet, 0, row => {
if (rowCount == 0)
{
var columnNames = new List <String>();
foreach (DataColumn column in row.Table.Columns)
{
columnNames.Add(column.ColumnName);
}
service.CreateImportTable(columnNames);
service.BeginTransaction();
}
values.Clear();
foreach (DataColumn col in row.Table.Columns)
{
var value = row[col];
values.Add((value == null ? "" : value.ToString()));
}
service.InsertImportRow(values);
if (++rowCount % 1000 == 0)
{
if (progress != null)
{
progress.ProgressMessage(String.Format("Importing data - Stage 1 {0} rows copied to staging database...", rowCount));
}
}
;
});
service.CommitTransaction();
rowsource = new ImportRowSource(service, rowCount);
return(rowsource);
}
public override ImportRowSource CreateRowSource(IProgressObserver progress)
{
if (_options == null)
{
throw new Exception("Null or incorrect options type received!");
}
ImportRowSource rowsource = null;
var columnNames = GetColumnNames();
var service = new ImportStagingService();
service.CreateImportTable(columnNames);
if (WithWorksheetDataTable(_options.Filename, string.Format("SELECT * FROM [{0}]", _options.Worksheet), (dt) => {
service.BeginTransaction();
var values = new List <string>();
int rowcount = 0;
foreach (DataRow row in dt.Rows)
{
values.Clear();
foreach (DataColumn col in dt.Columns)
{
var value = row[col];
values.Add((value == null ? "" : value.ToString()));
}
service.InsertImportRow(values);
rowcount++;
}
service.CommitTransaction();
rowsource = new ImportRowSource(service, rowcount);
}))
{
return(rowsource);
}
return(null);
}