The user should select an option other than this ‘Select One’ item.
You may want to prevent users from saving Microsoft Access records with missing information, especially if this data is important.
There are several approaches to this and various methods can be used in Microsoft Access, which can be applied in various places.
Ideally, you will not be letting your Microsoft Access database users have access to your database tables, so you will need to validate this information in your database forms.
In other words, in order to validate a field, you just associate a set of validation descriptors for each input field in the form. For such cases, a function is included which clears all validations in the validator object. Note that this validation if for fields like Textbox and multi-line text box.
For ‘selections’ like drop down and radio group, use an appropriate validation like ‘dontselect’ or ‘selone_radio’.
Each field in the form can have zero one or more validations. More info & downloads where Do My Validation One() and Do My Validation Two() are custom functions for validation.
For example, you can have an input field that should not be empty, should be less than 25 chars and should be alpha-numeric. In some dynamically programmed pages, it may be required to change the validations in the form at run time.
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Using client side Java Script is an efficient way to validate the user input in web forms.
When there are many fields in the form, the Java Script validation becomes too complex.
You will need to put your validating code in the Microsoft Access form's Before Update event. " Style = vb Critical vb OKOnly Title = "Required Data..." Msg Box msg, Style, Title ctl.