A is a string made up of characters from a masking language that specifies which characters can be entered at any given position in the text box. If the user types an incorrect entry, for example, the user types a letter when a digit is required, the control will automatically reject the input.The masking language that is used by Masked Text Box is very flexible. We're a friendly computing community, bustling with knowledgeable members to help solve your tech questions.Please join our friendly community by clicking the button below - it only takes a few seconds and is totally free.In this case, we use the Less Than operator, because we wish for the first control to have the smallest value.We set the type to integer, because we want to compare integers. January 2002 Summary: Describes how to create a Windows Form User Control as well as useful enumerations, error messages, and verification.
For example, if you want the user to enter a date in a section of your document, you can add a date picker content control to the document.
When users enter data into your application, you may want to verify that the data is valid before your application uses it.
You may require that certain text fields not be zero-length, that a field be formatted as a telephone number or other type of well-formed data, or that a string not contain any unsafe characters that could be used to compromise the security of a database.
Content controls provide a UI that is optimized for both user input and print.
When you add a content control to a document, the control is identified by a border, a title, and temporary text that can provide instructions to the user.