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| 1 | +@page "/" |
| 2 | +@page "/save-state-controller" |
| 3 | + |
| 4 | +@using GridSavingStateInController.Shared |
| 5 | + |
| 6 | +@inject HttpClient Http |
| 7 | +@inject IJSRuntime JsInterop |
| 8 | + |
| 9 | +<p><strong>Change something in the grid (like sort, filter, select, page, resize columns, etc.), then click "SaveState". After that, change again something and click "Apply last saved State".</strong></p> |
| 10 | +<p> |
| 11 | + <TelerikButton OnClick="@SaveState">Save State</TelerikButton> |
| 12 | + <TelerikButton OnClick="@ApplyState">Apply last saved State</TelerikButton> |
| 13 | +</p> |
| 14 | + |
| 15 | +<TelerikGrid Data="@GridData" Height="500px" @ref="@Grid" |
| 16 | + Groupable="true" |
| 17 | + Pageable="true" |
| 18 | + Sortable="true" |
| 19 | + FilterMode="@GridFilterMode.FilterRow" |
| 20 | + Reorderable="true" |
| 21 | + Resizable="true" |
| 22 | + SelectionMode="GridSelectionMode.Multiple" @bind-SelectedItems="@SelectedItems" |
| 23 | + OnUpdate=@UpdateItem OnDelete=@DeleteItem OnCreate=@CreateItem EditMode="@GridEditMode.Inline"> |
| 24 | + <GridColumns> |
| 25 | + <GridColumn Field="@(nameof(SampleData.Id))" Editable="false" /> |
| 26 | + <GridColumn Field="@(nameof(SampleData.Name))" Title="Employee Name" /> |
| 27 | + <GridColumn Field="@(nameof(SampleData.Team))" Title="Team" /> |
| 28 | + <GridCommandColumn> |
| 29 | + <GridCommandButton Command="Edit" Icon="edit">Edit</GridCommandButton> |
| 30 | + <GridCommandButton Command="Delete" Icon="delete">Delete</GridCommandButton> |
| 31 | + <GridCommandButton Command="Save" Icon="save" ShowInEdit="true">Save</GridCommandButton> |
| 32 | + <GridCommandButton Command="Cancel" Icon="cancel" ShowInEdit="true">Cancel</GridCommandButton> |
| 33 | + </GridCommandColumn> |
| 34 | + </GridColumns> |
| 35 | + <GridToolBar> |
| 36 | + <GridCommandButton Command="Add" Icon="add">Add Employee</GridCommandButton> |
| 37 | + </GridToolBar> |
| 38 | +</TelerikGrid> |
| 39 | + |
| 40 | +@if (SelectedItems != null) |
| 41 | +{ |
| 42 | + <ul> |
| 43 | + @foreach (SampleData employee in SelectedItems) |
| 44 | + { |
| 45 | + <li> |
| 46 | + @employee.Id |
| 47 | + </li> |
| 48 | + } |
| 49 | + </ul> |
| 50 | +} |
| 51 | + |
| 52 | +@code { |
| 53 | + TelerikGrid<SampleData> Grid { get; set; } |
| 54 | + IEnumerable<SampleData> SelectedItems { get; set; } = Enumerable.Empty<SampleData>(); |
| 55 | + List<SampleData> GridData { get; set; } |
| 56 | + |
| 57 | + async Task SaveState() |
| 58 | + { |
| 59 | + var state = await Http.PostAsJsonAsync("setstate", Grid.GetState()); |
| 60 | + } |
| 61 | + |
| 62 | + async Task ApplyState() |
| 63 | + { |
| 64 | + var state = await Http.GetFromJsonAsync<GridState<SampleData>>("getstate"); |
| 65 | + |
| 66 | + await Grid.SetState(state); |
| 67 | + } |
| 68 | + |
| 69 | + async Task UpdateItem(GridCommandEventArgs args) |
| 70 | + { |
| 71 | + SampleData item = (SampleData)args.Item; |
| 72 | + |
| 73 | + await GridCRUDService.Update(item); |
| 74 | + |
| 75 | + await GetGridData(); |
| 76 | + } |
| 77 | + |
| 78 | + async Task DeleteItem(GridCommandEventArgs args) |
| 79 | + { |
| 80 | + SampleData item = (SampleData)args.Item; |
| 81 | + |
| 82 | + await GridCRUDService.Delete(item); |
| 83 | + |
| 84 | + await GetGridData(); |
| 85 | + } |
| 86 | + |
| 87 | + async Task CreateItem(GridCommandEventArgs args) |
| 88 | + { |
| 89 | + SampleData item = (SampleData)args.Item; |
| 90 | + |
| 91 | + await GridCRUDService.Create(item); |
| 92 | + |
| 93 | + await GetGridData(); |
| 94 | + } |
| 95 | + |
| 96 | + async Task GetGridData() |
| 97 | + { |
| 98 | + GridData = await GridCRUDService.Read(); |
| 99 | + } |
| 100 | + |
| 101 | + protected override async Task OnInitializedAsync() |
| 102 | + { |
| 103 | + await GetGridData(); |
| 104 | + } |
| 105 | + |
| 106 | + public static class GridCRUDService |
| 107 | + { |
| 108 | + private static List<SampleData> _data { get; set; } = new List<SampleData>(); |
| 109 | + |
| 110 | + public static async Task Create(SampleData itemToInsert) |
| 111 | + { |
| 112 | + itemToInsert.Id = _data.Count + 1; |
| 113 | + _data.Insert(0, itemToInsert); |
| 114 | + } |
| 115 | + |
| 116 | + public static async Task<List<SampleData>> Read() |
| 117 | + { |
| 118 | + if (_data.Count < 1) |
| 119 | + { |
| 120 | + for (int i = 1; i < 50; i++) |
| 121 | + { |
| 122 | + _data.Add(new SampleData() |
| 123 | + { |
| 124 | + Id = i, |
| 125 | + Name = "name " + i, |
| 126 | + Team = "team " + i % 5 |
| 127 | + }); |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + return await Task.FromResult(_data); |
| 132 | + } |
| 133 | + |
| 134 | + public static async Task Update(SampleData itemToUpdate) |
| 135 | + { |
| 136 | + var index = _data.FindIndex(i => i.Id == itemToUpdate.Id); |
| 137 | + if (index != -1) |
| 138 | + { |
| 139 | + _data[index] = itemToUpdate; |
| 140 | + } |
| 141 | + } |
| 142 | + |
| 143 | + public static async Task Delete(SampleData itemToDelete) |
| 144 | + { |
| 145 | + _data.Remove(itemToDelete); |
| 146 | + } |
| 147 | + } |
| 148 | +} |
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