Blazor Grid - Paging
Use Blazor Bootstrap grid component to display tabular data from the data source. And it supports client-side and server-side filtering, paging, and sorting.
Client side paging #
For paging,
AllowPaging and PageSize parameters are required.Add
AllowPaging="true" and PageSize="20" parameters to the Grid. PageSize parameter is optional.INFO
The default page size is 10.
<Grid TItem="Employee1"
Class="table table-hover table-bordered table-striped"
DataProvider="EmployeesDataProvider"
AllowPaging="true"
PageSize="5"
Responsive="true">
<GridColumns>
<GridColumn TItem="Employee1" HeaderText="Id">
@context.Id
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Employee Name">
@context.Name
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Designation">
@context.Designation
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="DOJ">
@context.DOJ
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Active">
@context.IsActive
</GridColumn>
</GridColumns>
</Grid>
@code {
private IEnumerable<Employee1> employees = default!;
private async Task<GridDataProviderResult<Employee1>> EmployeesDataProvider(GridDataProviderRequest<Employee1> request)
{
if (employees is null) // pull employees only one time for client-side filtering, sorting, and paging
employees = GetEmployees(); // call a service or an API to pull the employees
return await Task.FromResult(request.ApplyTo(employees));
}
private IEnumerable<Employee1> GetEmployees()
{
return new List<Employee1>
{
new Employee1 { Id = 107, Name = "Alice", Designation = "AI Engineer", DOJ = new DateOnly(1998, 11, 17), IsActive = true },
new Employee1 { Id = 103, Name = "Bob", Designation = "Senior DevOps Engineer", DOJ = new DateOnly(1985, 1, 5), IsActive = true },
new Employee1 { Id = 106, Name = "John", Designation = "Data Engineer", DOJ = new DateOnly(1995, 4, 17), IsActive = true },
new Employee1 { Id = 104, Name = "Pop", Designation = "Associate Architect", DOJ = new DateOnly(1985, 6, 8), IsActive = false },
new Employee1 { Id = 105, Name = "Ronald", Designation = "Senior Data Engineer", DOJ = new DateOnly(1991, 8, 23), IsActive = true },
new Employee1 { Id = 102, Name = "Line", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 101, Name = "Daniel", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 113, Name = "Merlin", Designation = "Senior Consultant", DOJ = new DateOnly(1989, 10, 2), IsActive = true },
new Employee1 { Id = 117, Name = "Sharna", Designation = "Data Analyst", DOJ = new DateOnly(1994, 5, 12), IsActive = true },
new Employee1 { Id = 108, Name = "Zayne", Designation = "Data Analyst", DOJ = new DateOnly(1991, 1, 1), IsActive = true },
new Employee1 { Id = 109, Name = "Isha", Designation = "App Maker", DOJ = new DateOnly(1996, 7, 1), IsActive = true },
new Employee1 { Id = 111, Name = "Glenda", Designation = "Data Engineer", DOJ = new DateOnly(1994, 1, 12), IsActive = true },
};
}
}Dynamic page size #
<Grid TItem="Employee1"
Class="table table-hover table-bordered table-striped"
DataProvider="EmployeesDataProvider"
AllowPaging="true"
PageSize="@pageSize"
Responsive="true">
<GridColumns>
<GridColumn TItem="Employee1" HeaderText="Id">
@context.Id
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Employee Name">
@context.Name
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Designation">
@context.Designation
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="DOJ">
@context.DOJ
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Active">
@context.IsActive
</GridColumn>
</GridColumns>
</Grid>
<Button Type="ButtonType.Button" Color="ButtonColor.Primary" @onclick="() => ChangeSize(5)">Page Size 5</Button>
<Button Type="ButtonType.Button" Color="ButtonColor.Secondary" @onclick="() => ChangeSize(10)">Page Size 10</Button>
<Button Type="ButtonType.Button" Color="ButtonColor.Secondary" @onclick="() => ChangeSize(15)">Page Size 15</Button>
@code {
private int pageSize = 5;
private IEnumerable<Employee1> employees = default!;
private async Task<GridDataProviderResult<Employee1>> EmployeesDataProvider(GridDataProviderRequest<Employee1> request)
{
if (employees is null) // pull employees only one time for client-side filtering, sorting, and paging
employees = GetEmployees(); // call a service or an API to pull the employees
return await Task.FromResult(request.ApplyTo(employees));
}
private IEnumerable<Employee1> GetEmployees()
{
return new List<Employee1>
{
new Employee1 { Id = 107, Name = "Alice", Designation = "AI Engineer", DOJ = new DateOnly(1998, 11, 17), IsActive = true },
new Employee1 { Id = 103, Name = "Bob", Designation = "Senior DevOps Engineer", DOJ = new DateOnly(1985, 1, 5), IsActive = true },
new Employee1 { Id = 106, Name = "John", Designation = "Data Engineer", DOJ = new DateOnly(1995, 4, 17), IsActive = true },
new Employee1 { Id = 104, Name = "Pop", Designation = "Associate Architect", DOJ = new DateOnly(1985, 6, 8), IsActive = false },
new Employee1 { Id = 105, Name = "Ronald", Designation = "Senior Data Engineer", DOJ = new DateOnly(1991, 8, 23), IsActive = true },
new Employee1 { Id = 102, Name = "Line", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 101, Name = "Daniel", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 113, Name = "Merlin", Designation = "Senior Consultant", DOJ = new DateOnly(1989, 10, 2), IsActive = true },
new Employee1 { Id = 117, Name = "Sharna", Designation = "Data Analyst", DOJ = new DateOnly(1994, 5, 12), IsActive = true },
new Employee1 { Id = 108, Name = "Zayne", Designation = "Data Analyst", DOJ = new DateOnly(1991, 1, 1), IsActive = true },
new Employee1 { Id = 109, Name = "Isha", Designation = "App Maker", DOJ = new DateOnly(1996, 7, 1), IsActive = true },
new Employee1 { Id = 111, Name = "Glenda", Designation = "Data Engineer", DOJ = new DateOnly(1994, 1, 12), IsActive = true },
};
}
private void ChangeSize(int size) => pageSize = size;
}Page size selection #
<Grid TItem="Employee1"
Class="table table-hover table-bordered table-striped"
DataProvider="EmployeesDataProvider"
AllowPaging="true"
PageSize="10"
PageSizeSelectorVisible="true"
PageSizeSelectorItems="@(new int[] { 5,10,20 })"
Responsive="true">
<GridColumns>
<GridColumn TItem="Employee1" HeaderText="Id">
@context.Id
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Employee Name">
@context.Name
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Designation">
@context.Designation
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="DOJ">
@context.DOJ
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Active">
@context.IsActive
</GridColumn>
</GridColumns>
</Grid>
@code {
private IEnumerable<Employee1> employees = default!;
private async Task<GridDataProviderResult<Employee1>> EmployeesDataProvider(GridDataProviderRequest<Employee1> request)
{
if (employees is null) // pull employees only one time for client-side filtering, sorting, and paging
employees = GetEmployees(); // call a service or an API to pull the employees
return await Task.FromResult(request.ApplyTo(employees));
}
private IEnumerable<Employee1> GetEmployees()
{
return new List<Employee1>
{
new Employee1 { Id = 107, Name = "Alice", Designation = "AI Engineer", DOJ = new DateOnly(1998, 11, 17), IsActive = true },
new Employee1 { Id = 103, Name = "Bob", Designation = "Senior DevOps Engineer", DOJ = new DateOnly(1985, 1, 5), IsActive = true },
new Employee1 { Id = 106, Name = "John", Designation = "Data Engineer", DOJ = new DateOnly(1995, 4, 17), IsActive = true },
new Employee1 { Id = 104, Name = "Pop", Designation = "Associate Architect", DOJ = new DateOnly(1985, 6, 8), IsActive = false },
new Employee1 { Id = 105, Name = "Ronald", Designation = "Senior Data Engineer", DOJ = new DateOnly(1991, 8, 23), IsActive = true },
new Employee1 { Id = 102, Name = "Line", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 101, Name = "Daniel", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 113, Name = "Merlin", Designation = "Senior Consultant", DOJ = new DateOnly(1989, 10, 2), IsActive = true },
new Employee1 { Id = 117, Name = "Sharna", Designation = "Data Analyst", DOJ = new DateOnly(1994, 5, 12), IsActive = true },
new Employee1 { Id = 108, Name = "Zayne", Designation = "Data Analyst", DOJ = new DateOnly(1991, 1, 1), IsActive = true },
new Employee1 { Id = 109, Name = "Isha", Designation = "App Maker", DOJ = new DateOnly(1996, 7, 1), IsActive = true },
new Employee1 { Id = 111, Name = "Glenda", Designation = "Data Engineer", DOJ = new DateOnly(1994, 1, 12), IsActive = true },
};
}
}Auto hide paging #
<Grid TItem="Employee1"
AllowFiltering="true"
AllowPaging="true"
AllowSorting="true"
AutoHidePaging="true"
Class="table table-hover table-bordered table-striped"
DataProvider="EmployeesDataProvider"
PageSize="10"
PageSizeSelectorVisible="true"
PageSizeSelectorItems="@(new int[] { 5,10,20 })"
Responsive="true">
<GridColumns>
<GridColumn TItem="Employee1" HeaderText="Id" PropertyName="Id" SortKeySelector="item => item.Id">
@context.Id
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Employee Name" PropertyName="Name" SortKeySelector="item => item.Name">
@context.Name
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Designation" PropertyName="Designation" SortKeySelector="item => item.Designation">
@context.Designation
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="DOJ" PropertyName="DOJ" SortKeySelector="item => item.DOJ">
@context.DOJ
</GridColumn>
<GridColumn TItem="Employee1" HeaderText="Active" PropertyName="IsActive" SortKeySelector="item => item.IsActive">
@context.IsActive
</GridColumn>
</GridColumns>
</Grid>
@code {
private IEnumerable<Employee1> employees = default!;
private async Task<GridDataProviderResult<Employee1>> EmployeesDataProvider(GridDataProviderRequest<Employee1> request)
{
if (employees is null) // pull employees only one time for client-side filtering, sorting, and paging
employees = GetEmployees(); // call a service or an API to pull the employees
return await Task.FromResult(request.ApplyTo(employees));
}
private IEnumerable<Employee1> GetEmployees()
{
return new List<Employee1>
{
new Employee1 { Id = 107, Name = "Alice", Designation = "AI Engineer", DOJ = new DateOnly(1998, 11, 17), IsActive = true },
new Employee1 { Id = 103, Name = "Bob", Designation = "Senior DevOps Engineer", DOJ = new DateOnly(1985, 1, 5), IsActive = true },
new Employee1 { Id = 106, Name = "John", Designation = "Data Engineer", DOJ = new DateOnly(1995, 4, 17), IsActive = true },
new Employee1 { Id = 104, Name = "Pop", Designation = "Associate Architect", DOJ = new DateOnly(1985, 6, 8), IsActive = false },
new Employee1 { Id = 105, Name = "Ronald", Designation = "Senior Data Engineer", DOJ = new DateOnly(1991, 8, 23), IsActive = true },
new Employee1 { Id = 102, Name = "Line", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 101, Name = "Daniel", Designation = "Architect", DOJ = new DateOnly(1977, 1, 12), IsActive = true },
new Employee1 { Id = 113, Name = "Merlin", Designation = "Senior Consultant", DOJ = new DateOnly(1989, 10, 2), IsActive = true },
new Employee1 { Id = 117, Name = "Sharna", Designation = "Data Analyst", DOJ = new DateOnly(1994, 5, 12), IsActive = true },
new Employee1 { Id = 108, Name = "Zayne", Designation = "Data Analyst", DOJ = new DateOnly(1991, 1, 1), IsActive = true },
new Employee1 { Id = 109, Name = "Isha", Designation = "App Maker", DOJ = new DateOnly(1996, 7, 1), IsActive = true },
new Employee1 { Id = 111, Name = "Glenda", Designation = "Data Engineer", DOJ = new DateOnly(1994, 1, 12), IsActive = true },
};
}
}