Page 268 - IT 402 v2.0 class 10
P. 268

‘Entry
                                                                                                   required’  eld
                                                                                                    property set
                                                                                                     as ‘Yes’ for
          Validation                                                                                 Company
            Fields
                                                                                                     Name  eld




         o set the   ntry re uired  property:

        Step 1:    lick on the field to which   ntry re uired  property has to be set.
        Step 2:   Select the option   es  from the option list box of the   ntry re uired  property.
        So  while entering record in the table  if the user leaves any record under the field   ompanyName  as blank
        an error message generates as the user tries to save the  ecord number 5 with blank  ompanyName.  he
        error message continues until the user inputs some value in that field.






























        Length

         he   ength  property specifies the width of the field i.e.  it defines the maximum number of characters that
        a field can store. If the user tries to store a record that has more than defined length of characters in the a
        field  then while saving the record   ase   it will give an error message and restrict the user to save the record
        unless the number of characters that violates the rule is deleted from the field.  his property can be applied
        to all data types and  rimary key fields.




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