TreeListExportCustomizeCellEventArgs.ColumnFieldName Property

Returns the name of the data source field bound to the column that contains the processed cell.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

public string ColumnFieldName { get; set; }

Property Value

Type	Description
String	The field name.

Remarks

The CustomizeCell action allows you to customize a cell in the exported file. Use the ColumnFieldName property to determine the column that contains the processed cell.

The following example adds a hyperlink to the document’s Name column:

C#

async Task ExportXlsx_Click() {
    await MyTreeList.ExportToXlsxAsync("ExportResult", new TreeListXlExportOptions() {
        CustomizeCell = CustomizeCell
    });
}
void CustomizeCell(TreeListExportCustomizeCellEventArgs e) {
    if (e.AreaType == DevExpress.Export.SheetAreaType.DataArea && e.ColumnFieldName == "Name") {
        var product = e.DataItem as TestModel;
        e.Hyperlink = product.Url;
        e.Handled = true;
    }
};

TestModelService.cs

public class TestModelService {
    private List<TestModel> CreateDataSource() {
        List<TestModel> temp = new List<TestModel>();
        temp.Add(new TestModel() { Name = "WinForms Controls", Universal = true, DXperience = true, WinForms = true, WPF = false, ASP = false, DevExtreme = false, Url = "https://www.devexpress.com/products/net/controls/winforms/" });
        temp.Add(new TestModel() { Name = "WPF Controls", Universal = true, DXperience = true, WinForms = false, WPF = true, ASP = false, DevExtreme = false, Url = "https://www.devexpress.com/products/net/controls/wpf/" });
        temp.Add(new TestModel() { Name = "Blazor UI Components", Universal = true, DXperience = true, WinForms = false, WPF = false, ASP = true, DevExtreme = false, Url = "https://www.devexpress.com/blazor/" });
        temp.Add(new TestModel() { Name = "JavaScript - jQuery, Angular, React, Vue", Universal = true, DXperience = true, WinForms = false, WPF = false, ASP = true, DevExtreme = true, Url = "https://js.devexpress.com/" });
        temp.Add(new TestModel() { Name = "ASP.NET Web Forms Controls and MVC Extensions", Universal = true, DXperience = true, WinForms = false, WPF = false, ASP = true, DevExtreme = false, Url = "https://www.devexpress.com/products/net/controls/asp/" });
        temp.Add(new TestModel() { Name = "Reporting", Universal = true, DXperience = true, WinForms = true, WPF = true, ASP = true, DevExtreme = false, Url = "https://www.devexpress.com/subscriptions/reporting/" });
        temp.Add(new TestModel() { Name = "XPO - ORM Library", Universal = true, DXperience = true, WinForms = true, WPF = true, ASP = true, DevExtreme = true, Url = "https://www.devexpress.com/products/net/orm/" });
        temp.Add(new TestModel() { Name = "XAF - Cross-Platform .NET App UI", Universal = true, DXperience = false, WinForms = false, WPF = false, ASP = false, DevExtreme = false, Url = "https://www.devexpress.com/products/net/application_framework/" });
        return temp;
    }

    private List<TestModel> DataSource { get; set; }
    public TestModelService() {
        DataSource = CreateDataSource();
    }
    public Task<IEnumerable<TestModel>> GetDataSourceAsync(CancellationToken ct = default) {
        return Task.FromResult(DataSource.AsEnumerable());
    }
}