NULLABLE_UNKNOWN : it is unknown whether or not NULL is allowed NO_NULLS: column does not allow NULL values. Indicates if values may be NULL in the designated column. long - Number of digits after the decimal point. long - The number of decimal digits or chars. If the column type is a user-defined type, then a fully-qualified type name is returned. string - The type name used by the database. The Properties of .Column are readonly and can be used for information purposes: String - Contains the default value that should be displayed by a control when moving to a new row. String - Describes an optional help text that can be used by UI components when representing this column. May contain a control model that defines the settings for layout. If the value is void, the default position should be used according to their order of appearance in .XResultSetMetaData.īoolean - Determines if the column should be displayed.Ĭom. Long - The ordinal position of the column within a grid. If the value is void, a default width should be used according to the label of the column. Long - Specifies the width of the column displayed in a grid. If the value is void, a default alignment is used according to the data type of the column. Long - Specifies the alignment of column text. If the value is void, a default number format is used according to the data type of the column. The proper value can be determined using the .XNumberFormatter interface. Long - Contains the index of the number format that is used for the column. The service .Column combines .Column and the .ColumnSettings to form a column service with the opportunity to alter the visual appearance of a column. The following illustration depicts the service .Column and its relationship with the .Table service. The appearance of single columns in a table can be changed.
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