## ExternalLink class

Represents an external link in a workbook.

```csharp
public class ExternalLink
```

## Properties

| Name | Description |
| --- | --- |
| [DataSource](../../aspose.cells/externallink/datasource/) { get; set; } | Represents data source of the external link. |
| [IsReferred](../../aspose.cells/externallink/isreferred/) { get; } | Indicates whether this external link is referenced by others. |
| [IsVisible](../../aspose.cells/externallink/isvisible/) { get; } | Indicates whether this external link is visible in MS Excel. |
| [OriginalDataSource](../../aspose.cells/externallink/originaldatasource/) { get; set; } | Represents stored data source of the external link. |
| [PathType](../../aspose.cells/externallink/pathtype/) { get; } | Get the path type of this external link |
| [Type](../../aspose.cells/externallink/type/) { get; } | Gets the type of external link. |

## Methods

| Name | Description |
| --- | --- |
| [AddExternalName](../../aspose.cells/externallink/addexternalname/)(string, string) | Adds an external name. |

### Examples

```csharp
namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using System;

    public class ExternalLinkDemo
    {
        public static void ExternalLinkExample()
        {
            // Open a file with external links
            Workbook workbook = new Workbook("UpdatedExternalLinkExample_original.xlsx");

            // Get External Link 
            ExternalLink externalLink = workbook.Worksheets.ExternalLinks[0];

            // Display properties of the external link
            Console.WriteLine("External Link Type: " + externalLink.Type);
            Console.WriteLine("Path Type: " + externalLink.PathType);
            Console.WriteLine("Original Data Source: " + externalLink.OriginalDataSource);
            Console.WriteLine("Data Source: " + externalLink.DataSource);
            Console.WriteLine("Is Referred: " + externalLink.IsReferred);
            Console.WriteLine("Is Visible: " + externalLink.IsVisible);

            // Change External Link's Data Source
            externalLink.DataSource = "d:\\linktest.xls";

            // Add an external name to the external link
            externalLink.AddExternalName("ExternalName", "Sheet1!A1");

            // Save the workbook
            workbook.Save("UpdatedExternalLinkExample.xlsx");

            return;
        }
    }
}
```

### See Also

* namespace [Aspose.Cells](../../aspose.cells/)
* assembly [Aspose.Cells](../../)