GridColumnFooterTemplateContext Class
Namespace: DevExpress.Blazor
Assembly:
DevExpress.Blazor.v24.2.dll
NuGet Package:
DevExpress.Blazor
Declaration
public class GridColumnFooterTemplateContext :
GridColumnFooterTemplateContextBase
The DxGrid.ColumnFooterTemplate and DxGridColumn.FooterTemplate accept a GridDataColumnGroupRowTemplateContext
object as the context
parameter. You can use the parameter’s members to get information about the current footer cell.
The following code snippet makes all summary values bold.
@using Microsoft.EntityFrameworkCore
@inject IDbContextFactory<NorthwindContext> NorthwindContextFactory
@implements IDisposable
<DxGrid Data="@Data">
<Columns>
<DxGridDataColumn FieldName="Country" />
<DxGridDataColumn FieldName="City" />
<DxGridDataColumn FieldName="OrderDate" />
<DxGridDataColumn FieldName="UnitPrice" DisplayFormat="c" Width="150px" />
<DxGridDataColumn FieldName="Quantity" />
</Columns>
<TotalSummary>
<DxGridSummaryItem SummaryType="GridSummaryItemType.Max" FieldName="UnitPrice" />
<DxGridSummaryItem SummaryType="GridSummaryItemType.Min" FieldName="UnitPrice" />
<DxGridSummaryItem SummaryType="GridSummaryItemType.Count" FieldName="Quantity" />
</TotalSummary>
<ColumnFooterTemplate>
@{
var summaryItems = context.SummaryItems;
if (summaryItems.Any()) {
foreach (var i in summaryItems) {
@context.Grid.GetTotalSummaryLabel(i)
<text>: </text>
<b>@context.Grid.GetTotalSummaryFormattedValue(i)</b> <br/>
}
}
}
</ColumnFooterTemplate>
</DxGrid>
@code {
object Data { get; set; }
NorthwindContext Northwind { get; set; }
protected override void OnInitialized() {
Northwind = NorthwindContextFactory.CreateDbContext();
Data = Northwind.Invoices
.ToList();
}
public void Dispose() {
Northwind?.Dispose();
}
}
using System;
#nullable disable
namespace Grid.Northwind {
public partial class Invoice {
public string ShipName { get; set; }
public string ShipAddress { get; set; }
public string ShipCity { get; set; }
public string ShipRegion { get; set; }
public string ShipPostalCode { get; set; }
public string ShipCountry { get; set; }
public string CustomerId { get; set; }
public string CustomerName { get; set; }
public string Address { get; set; }
public string City { get; set; }
public string Region { get; set; }
public string PostalCode { get; set; }
public string Country { get; set; }
public string Salesperson { get; set; }
public int OrderId { get; set; }
public DateTime? OrderDate { get; set; }
public DateTime? RequiredDate { get; set; }
public DateTime? ShippedDate { get; set; }
public string ShipperName { get; set; }
public int ProductId { get; set; }
public string ProductName { get; set; }
public decimal UnitPrice { get; set; }
public short Quantity { get; set; }
public float Discount { get; set; }
public decimal? ExtendedPrice { get; set; }
public decimal? Freight { get; set; }
}
}
using Microsoft.EntityFrameworkCore;
#nullable disable
namespace Grid.Northwind {
public partial class NorthwindContext : DbContext {
public NorthwindContext(DbContextOptions<NorthwindContext> options)
: base(options) {
}
// ...
public virtual DbSet<Invoice> Invoices { get; set; }
// ...
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
if(!optionsBuilder.IsConfigured) {
optionsBuilder.UseSqlServer("Server=.\\sqlexpress;Database=Northwind;Integrated Security=true");
}
}
// ...
protected override void OnModelCreating(ModelBuilder modelBuilder) {
// ...
modelBuilder.Entity<Invoice>(entity => {
entity.HasNoKey();
entity.ToView("Invoices");
entity.Property(e => e.Address).HasMaxLength(60);
entity.Property(e => e.City).HasMaxLength(15);
entity.Property(e => e.Country).HasMaxLength(15);
entity.Property(e => e.CustomerId)
.HasMaxLength(5)
.HasColumnName("CustomerID")
.IsFixedLength(true);
entity.Property(e => e.CustomerName)
.IsRequired()
.HasMaxLength(40);
entity.Property(e => e.ExtendedPrice).HasColumnType("money");
entity.Property(e => e.Freight).HasColumnType("money");
entity.Property(e => e.OrderDate).HasColumnType("datetime");
entity.Property(e => e.OrderId).HasColumnName("OrderID");
entity.Property(e => e.PostalCode).HasMaxLength(10);
entity.Property(e => e.ProductId).HasColumnName("ProductID");
entity.Property(e => e.ProductName)
.IsRequired()
.HasMaxLength(40);
entity.Property(e => e.Region).HasMaxLength(15);
entity.Property(e => e.RequiredDate).HasColumnType("datetime");
entity.Property(e => e.Salesperson)
.IsRequired()
.HasMaxLength(31);
entity.Property(e => e.ShipAddress).HasMaxLength(60);
entity.Property(e => e.ShipCity).HasMaxLength(15);
entity.Property(e => e.ShipCountry).HasMaxLength(15);
entity.Property(e => e.ShipName).HasMaxLength(40);
entity.Property(e => e.ShipPostalCode).HasMaxLength(10);
entity.Property(e => e.ShipRegion).HasMaxLength(15);
entity.Property(e => e.ShippedDate).HasColumnType("datetime");
entity.Property(e => e.ShipperName)
.IsRequired()
.HasMaxLength(40);
entity.Property(e => e.UnitPrice).HasColumnType("money");
});
// ...
OnModelCreatingPartial(modelBuilder);
}
partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
}
}
using Microsoft.EntityFrameworkCore;
// ...
builder.Services.AddDbContextFactory<NorthwindContext>((sp, options) => {
var env = sp.GetRequiredService<IWebHostEnvironment>();
var dbPath = Path.Combine(env.ContentRootPath, "Northwind-5e44b51f.mdf");
options.UseSqlServer("Server=(localdb)\\MSSQLLocalDB;Integrated Security=true;AttachDbFileName=" + dbPath);
});
Inheritance
ObjectDevExpress.Blazor.Internal.GridTemplateContextBaseDevExpress.Blazor.Internal.GridColumnFooterTemplateContextBaseGridColumnFooterTemplateContext
See Also