Updating dataset in c
Microsoft Office Access 2007 provides a number of tools for updating existing records, including datasheets, forms, queries, find-and-replace, and the new Data Collection feature.
In some cases, a data type setting prevents you from entering any information at all.
You can enter any data in this type of field, and Access wraps it in a Web address.
For example, if you type a value in the field, Access surrounds your text with Uniform Resource Locator (URL) text, like so:
A text field accepts a smaller number of characters than does a Memo field — from 0 to 255 characters.
In some cases, you can use conversion functions to perform calculations on the data in a Text field.
In turn, those design principles affect how you enter data.