# DataSetCollection Namespace: **Wisej.Web.Ext.ChartJS** Assembly: **Wisej.Web.Ext.ChartJS** (3.2.0.0) Collection of [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) objects. Represents the sets of data to plot. {% tabs %} {% tab title="C#" %} ```csharp public class DataSetCollection : IList, ICollection, IEnumerable, IList, ICollection, IEnumerable ``` {% endtab %} {% tab title="VB.NET" %} ```visual-basic Public Class DataSetCollection Inherits IList Implements ICollection, IEnumerable, IList(Of DataSet), ICollection(Of DataSet), IEnumerable(Of DataSet) ``` {% endtab %} {% endtabs %} ## Properties ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Count [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Returns the number of [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) objects in the collection. ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Item(index) [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset): Returns or sets the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) at the specified position. ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Item(label) [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset): Returns or sets the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) identified by the label name. ## Methods ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Add(dataSet) Adds a new [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to the collection. | Parameter | Type | Description | | ----------- | ------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | | **dataSet** | [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | The [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to add to the collection. | ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Add(name) Creates and adds a new [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to the collection. | Parameter | Type | Description | | --------- | ------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- | | **name** | [String](https://docs.microsoft.com/en-us/dotnet/api/system.string) | The name of the new [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset). | **Returns:** [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset). ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Clear() Removes all data sets. ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Contains(dataSet) Checks if the specified [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) exists in the collection. | Parameter | Type | Description | | ----------- | ------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ | | **dataSet** | [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | The [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to look for. | **Returns:** [Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean). ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)CopyTo(array, arrayIndex) Copies all data sets to the specified array. | Parameter | Type | Description | | -------------- | ----------------------------------------------------------------------------------------------------- | ------------------------------------- | | **array** | [DataSet\[\]](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | The destination array. | | **arrayIndex** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32) | The index at which to begin the copy. | ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)GetEnumerator() Returns an enumerator that iterates all the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) objects in the collection. **Returns:** [IEnumerator\](https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.ienumerator). ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)IndexOf(dataSet) Returns the index of the specified [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) in the collection. | Parameter | Type | Description | | ----------- | ------------------------------------------------------------------------------------------------- | ----------- | | **dataSet** | [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | | **Returns:** [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32). ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Insert(index, dataSet) Returns the index of the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) in the collection. | Parameter | Type | Description | | ----------- | ------------------------------------------------------------------------------------------------- | ----------- | | **index** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32) | | | **dataSet** | [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | | ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)Remove(dataSet) Removes the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) from the collection and updates the chart. | Parameter | Type | Description | | ----------- | ------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- | | **dataSet** | [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) | The [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to remove. | **Returns:** [Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean). ### ![](https://2248866391-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MFp7MR1wemvcC5891_r%2F-MirBc8UH2o1iZfh0jrC%2F-MirBsnmjWIxMsN8l0Ms%2Finstance.png?alt=media\&token=dff77e9a-7d55-4c1e-9ef7-ac9092f4f565)RemoveAt(index) Removes the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) at the specified index from the collection and updates the chart. | Parameter | Type | Description | | --------- | ----------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------- | | **index** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32) | The index of the [DataSet](https://docs.wisej.com/extensions/extensions/chartjs/api/wisej.web.ext.chartjs.dataset) to remove. |