## DataColumnCollection class

DataColumn collection.

## Properties

| Name | Type | Description |
| --- | --- | --- |
| [SortColumn](#sortcolumn) | String | The column on which to sort the data. |
| [SortAsc](#sortasc) | int | Whether to sort the SortColumn column in ascending (1) or descending (0) order. The value of the property is BOOL intege |
| [Count](#count) | int |  |
| [Item (int)](#itemint) | DataColumn |  |

## Methods

| Name | Description |
| --- | --- |
| [add](#add) | Add the dataColumn in the collection. |
| [remove](#remove) | Remove the dataColumn from the collection. |
| [clear](#clear) |  |
| [removeAt](#removeat) |  |
| [iterator](#iterator) | Reserved for internal use. |

### DataColumnCollection.SortColumn property {#sortcolumn}

The column on which to sort the data.

**Type:** String

### DataColumnCollection.SortAsc property {#sortasc}

Whether to sort the SortColumn column in ascending (1) or descending (0) order. The value of the property is BOOL integer constant.

**Type:** int

### DataColumnCollection.Count property {#count}

**Type:** int

### DataColumnCollection.Item (int) property {#itemint}

**Type:** DataColumn

### add(dataColumn) {#add}

Add the dataColumn in the collection.

| Parameter | Type | Description |
| --- | --- | --- |
| dataColumn | DataColumn |  |

### remove(dataColumn) {#remove}

Remove the dataColumn from the collection.

| Parameter | Type | Description |
| --- | --- | --- |
| dataColumn | DataColumn |  |

### clear() {#clear}

### removeAt(index) {#removeat}

### iterator() {#iterator}

Reserved for internal use.