internal DataSetCompressedStream(DataSet ds)
{
this.dataSet = ds;
FileStream fs = new FileStream(@"c:\DataFile.dat", FileMode.Create);
BinaryFormatter formatter = new BinaryFormatter();
try
{
DataSet tmpDs = new DataSet();
foreach (DataTable dt in ds.Tables)
{
DataTable newTable = tmpDs.Tables.Add(dt.TableName);
foreach (DataColumn dc in dt.Columns)
{
newTable.Columns.Add(dc.ColumnName, dc.DataType);
}
foreach (DataRow r in dt.Rows)
{
newTable.ImportRow(r);
}
}
tmpDs.RemotingFormat = SerializationFormat.Binary;
formatter.Serialize(fs, tmpDs);
}
catch (SerializationException ex)
{
Console.WriteLine("Failed to serialize. Reason: " + ex.Message);
throw;
}
finally
{
fs.Close();
}
this.tableList = new List <DataTable>();
foreach (DataTable table in ds.Tables)
{
tableList.Add(table);
}
this.innerMemoryStream = new MemoryStream();
DBConverter.ToMemoryStreamNoHeader(this.innerMemoryStream, VERSION);
DBConverter.ToMemoryStream(this.innerMemoryStream, this.dataSet.DataSetName);
DBConverter.ToMemoryStreamNoHeader(this.innerMemoryStream, this.tableList.Count);
this.innerMemoryStreamLength = this.innerMemoryStream.Position;
this.innerMemoryStream.Position = 0;
this.tableMemoryStream = new MemoryStream();
}
public DataTableBinarySerializer(DataTable table, MemoryStream outputStream)
{
this.table = table;
this.colDbTypeAr = DBConverter.GetDataColumnTypeCodes(table);
this.rowList = new List <DataRow>();
foreach (DataRow r in table.Rows)
{
if (r.RowState == DataRowState.Deleted)
{
continue;
}
rowList.Add(r);
}
this.outputStream = outputStream;
DBConverter.ToMemoryStreamNoHeader(this.outputStream, VERSION);
DBConverter.ToMemoryStream(this.outputStream, table.TableName);
DBConverter.ToMemoryStreamNoHeader(this.outputStream, this.rowList.Count);
this.innerMemoryStreamLength = this.outputStream.Position;
}
