Convert DataReader to Dataset (C#)

http://netindonesia.net/blogs/rahmat.faisal/pages/10093.aspx

public static DataSet convertDataReaderToDataSet(SqlDataReader reader)
{
DataSet dataSet = new DataSet();
do
{
// Create new data table

DataTable schemaTable = reader.GetSchemaTable();
DataTable dataTable = new DataTable();

if ( schemaTable != null )
{
// A query returning records was executed

for ( int i = 0; i < schemaTable.Rows.Count; i++ )
{
DataRow dataRow = schemaTable.Rows[ i ];
// Create a column name that is unique in the data table
string columnName = ( string )dataRow[ "ColumnName" ]; //+ “<C” + i + “/>”;
// Add the column definition to the data table
DataColumn column = new DataColumn( columnName, ( Type )dataRow[ "DataType" ] );
dataTable.Columns.Add( column );
}

dataSet.Tables.Add( dataTable );

// Fill the data table we just created

while ( reader.Read() )
{
DataRow dataRow = dataTable.NewRow();

for ( int i = 0; i < reader.FieldCount; i++ )
dataRow[ i ] = reader.GetValue( i );

dataTable.Rows.Add( dataRow );
}
}
else
{
// No records were returned

DataColumn column = new DataColumn(“RowsAffected”);
dataTable.Columns.Add(column);
dataSet.Tables.Add( dataTable );
DataRow dataRow = dataTable.NewRow();
dataRow[0] = reader.RecordsAffected;
dataTable.Rows.Add( dataRow );
}
}
while ( reader.NextResult() );
return dataSet;
}