Initializes a new instance of the Column class

Indicates that the underlying primary key column is auto-incrementing and thus read-only

Indicates the underlying table name when using a view as the data source

The column name or expression expression.

The name of the underlying database column name as assigned and returned by the database

Determines if the column will be displayed on the edit form.

Use this to manually choose the ControlType that you want to use to edit the database column

Used to identify a foreign key field in a child control. This column is matched with the PrimaryKey column in the parent control If there are multipart primary keys and foreign keys then the ordering of columns is important because the first foreign key in the child control will be matched to the first primary key in the parent control, and so on...

Applies standard .NET formatting strings to the column value.

Will set a field to read only while inserting (but not editing). This is set automatically if a field is auto increment.

Can be used with databases that do not support a boolean data type. setting this to true will force the value to be displayed and edited as a boolean.

Text label used for column heading, edit dialog and search dialog

Associates a coded value with a defined list of descriptive values and automatically converts the coded value to the descriptive value. The property can be defined as an SQL statement or as a JSON encoded array

Specifies how searches should be performed against a lookup column. eg search the value or search the text description.

If the field contains binary image data a thumbnail will be displayed. All images will be scaled so that they are no taller than this value (in px).

Identifies a column as a primary key. Primary keys will get set to true automatically unless there are joined tables.

Setting this simply modifies the UpdateReadOnly and InsertReadOnly properties.

Marks the field as being required. The will get set automatically for any fields that do not allow nulls in the database.

Specifies if the field will added to the search dialog.

Indicates the name of the Oracle sequence used to generate the primary key

Provide a CSS style that will be applied to the column or edit field.

Will set a field to read only while updating (but not inserting). This is set automatically if a field is a primary key.

A comma seperated list of allowed file upload extensions. If the column contains blob data then the first extension in this list will be used when streaming the file.

The max size in Kb for file uploads.

Sets if the user is allowed to overwrite files. The user will still be asked to confirm an overwrite.

Sets if the user is allowed to rename files.

Setting this value will "turn on" file system uploads.

Sub folder for uploads.