Set default values for fields or controls – Access

Set default values for fields or controls. In the Default Value property box, type the following: [control_name].ItemData(n) In this case, control_name is the name of the list box or combo box control, and n is the number of …

What is Default Values – Database? – Definition from

Techopedia explains Default Values – Database When creating a database table in systems such as Oracle or SQL Server, an option to specify a default value is available. This separates database design issues from the front-end application.

Default values table (C# Reference) | Microsoft Docs

Use the default value expression to produce the default value of a type, as the following example shows: int a = default(int); Beginning with C# 7.1, you can use the default literal to initialize a variable with the default value of its type:

Default value expressions (C# Programming Guide

Default value expressions are particularly useful in generic classes and methods. One issue that arises using generics is how to assign a default value of a parameterized type T when you don’t know the following in advance:. Whether T is a reference type or a value type.; If T is a value type, whether it’s a numeric value or a struct.; Given a variable t of …

Default Values | Understanding C# Types | InformIT

The default value for the char type is the character equivalent of zero and false for the bool type. The object and string types have a default value of null , representing a null reference that literally is one that does not refer to any object.

SQL DEFAULT Constraint – W3Schools

SQL DEFAULT Constraint. The DEFAULT constraint is used to provide a default value for a column. The default value will be added to all new records IF no other value is specified.

Default (computer science) – Wikipedia

A default, in computer science, refers to the preexisting value of a user-configurable setting that is assigned to a software application, computer program or device. Such settings are also called presets or factory presets , especially for electronic devices.

Select a default value from SQL SELECT

Aug 20, 2009 · every day is a school day Apologies, didn’t clarify. I meant that the declarative default value cannot be selected within a simple select statement – it must be wrapped in the DDL statement.

C# default Operator (Get Default Value for Type) – Dot …

This C# program demonstrates the default operator. Default returns the default value of a type.