Originally posted by Roy Sinclair
If the data is coming from an Access database then you've got some server side script that sends the data and that script is what you should be modifying to limit the output to the first 100 characters.
Additionally, the code or HTML where the data was entered should have limited the size to 100. Also you can specify the field size in Access. All the input, output, datastore functionality should always use the same field sizes.