Updated the example to validate the change

Author: Raj Kumar Sri Ramulu

BlazorBootstrap.Demo.RCL/Components/Pages/Grid/01-Overview/Grid_Demo_01_Client_Side_Filtering_Paging_And_Sorting.razor

@@ -1,4 +1,5 @@
 <Grid TItem="Employee1"
+    @ref="grid"
       Class="table table-hover table-bordered table-striped"
       DataProvider="EmployeesDataProvider"
       AllowFiltering="true"
@@ -29,6 +30,8 @@
     </GridColumns>
 
 </Grid>
+<Button Type="ButtonType.Button" Color="ButtonColor.Primary" @onclick="AddEmployee"> Add Employee </Button>
+<Button Type="ButtonType.Button" Color="ButtonColor.Danger" @onclick="RemoveEmployee"> Remove Employee </Button>
 
 <div class="mt-3">
     Selected Items Count: @selectedEmployees.Count
@@ -45,7 +48,8 @@
 </div>
 
 @code {
-    private IEnumerable<Employee1> employees = default!;
+    Grid<Employee1> grid = default!;
+    private List<Employee1>? employees = default!;
 
     private HashSet<Employee1> selectedEmployees = new();
 
@@ -57,7 +61,7 @@
         return await Task.FromResult(request.ApplyTo(employees));
     }
 
-    private IEnumerable<Employee1> GetEmployees()
+    private List<Employee1> GetEmployees()
     {
         return new List<Employee1>
         {
@@ -76,6 +80,35 @@
         };
     }
 
+    private async Task AddEmployee()
+    {
+        // for the same employees collection, we are adding an object
+        // explicit grid refresh required
+        employees!.Add(CreateEmployee());
+        await grid.RefreshDataAsync();
+    }
+
+    private Employee1 CreateEmployee()
+    {
+        var emp = new Employee1();
+        emp.Id = employees!.Max(x => x.Id) + 1;
+        emp.Name = $"Employee {emp.Id}";
+        emp.Designation = $"QA Engineer {emp.Id}";
+        emp.DOJ = new DateOnly(new Random().Next(1970, 2000), new Random().Next(1, 12), new Random().Next(1, 25));
+        emp.IsActive = true;
+        return emp;
+    }
+
+
+    private async Task RemoveEmployee()
+    {
+        if (employees!.Count > 0)
+            employees!.Remove(employees.Last());
+
+        await grid.RefreshDataAsync();
+    }
+
+
     private Task OnSelectedItemsChanged(HashSet<Employee1> employees)
     {
         selectedEmployees = employees is not null && employees.Any() ? employees : new();