public static List2D <object> ToList2D(this DataTable dataTable, bool includeColumnsName = true)
{
List2D <object> result = new List2D <object>(dataTable.Columns.Count);
if (includeColumnsName)
{
for (int i = 0; i < dataTable.Columns.Count; ++i)
{
result[i, 0] = dataTable.Columns[i];
}
}
int offset = includeColumnsName ? 1 : 0;
for (int i = 0; i < dataTable.Rows.Count; ++i)
{
if (offset == 0 && i != 0 || offset == 1)
{
result.AddLine();
}
object[] row = dataTable.Rows[i].ItemArray;
for (int j = 0; j < row.Length; ++j)
{
result[j, i + offset] = row[j];
}
}
return(result);
}
public static List2D <object> ToList2D(this IDataReader dataReader, bool includeColumnsName = true)
{
using (dataReader)
{
List2D <object> result = new List2D <object>(dataReader.FieldCount);
if (includeColumnsName)
{
for (int i = 0; i < dataReader.FieldCount; ++i)
{
result[i, 0] = dataReader.GetName(i);
}
}
int j = includeColumnsName ? 1 : 0;
while (dataReader.Read())
{
if (j != 0)
{
result.AddLine();
}
for (int i = 0; i < dataReader.FieldCount; ++i)
{
result[i, j] = dataReader[i];
}
j++;
}
return(result);
}
}
