The type of data source from which the control gets its value. This can be one of the following:
Setting | Description |
---|---|
Database Column (default) |
The control value will come from a column within a database table. |
Code Expression | The control value will be derived from an expression specific to the particular programming language being used. This could be a function that returns a value, a pre-existing variable or any other valid language construct that will evaluate to a definite value. |
Special Value | The control value should be one of the following: RowNumber, PageNumber, CurrentDate, CurrentDateTime, CurrentTime. |