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Table Of Contents
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Figure 3. The Field Properties dialog box, General tab
3.1.3.2. Data Type
Data Type defines the set of possible field values and the allowed field format. If the value entered in the
field doesn’t correspond to the specified data type, the operator will receive a verification error message.
The text data type usually has a simple area of valid values: the date, time, address, taxpayer’s account
number (INN), and sum. As for the checkmarks, the data type means values the field assumes when the
checkbox is selected or cleared.
3.1.3.2.1. Data types of the text entry field
It is important to set the data type of the text entry field correctly. This tells the program what data type is
to be found in tthe field – figures, certain letters, specific characters, date or other. The program allows the
user to flexibly set data types. The user gets a ready set of data types which includes the types used most
often. Besides, the user will be able to create his/her own data types to suit the task at hand.
When you set data types, you can configure the system to check the format of input value as well as set
value restrictions, such as maximum and minimum numbers, time period for the date, and maximum
number of characters for text fields.
The data type is set on the Data Type tab of the Field Properties dialog box (Figure 4).