// <Snippet1>
private static void PrintColumn(DataTableReader reader)
{
// Loop through all the rows in the DataTableReader
while (reader.Read())
{
if (reader.IsDBNull(2))
{
Console.Write("<NULL>");
}
else
{
try
{
Console.Write(reader.GetChar(2));
}
catch (InvalidCastException)
{
Console.Write("Invalid data type.");
}
}
Console.WriteLine();
}
}
public char GetChar(int i)
{
return(_reader.GetChar(i));
}