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BarathAravindKannanBarathAravindKannan
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1011226: Need to create sample for blazor datagrid integration with MariaDB
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‎Binding MariaDB using CustomAdaptor/Grid_MariaDB/Components/App.razor‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<base href="/" />
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<link rel="stylesheet" href="@Assets["lib/bootstrap/dist/css/bootstrap.min.css"]" />
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<link rel="stylesheet" href="@Assets["app.css"]" />
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<link rel="stylesheet" href="@Assets["Grid_MariaDB.styles.css"]" />
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<link rel="stylesheet" href="/grid-column-template.css" />
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<link href="_content/Syncfusion.Blazor.Themes/tailwind3.css" rel="stylesheet" />
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<ImportMap />
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<link rel="icon" type="image/png" href="favicon.png" />
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<HeadOutlet />
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</head>
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<body>
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<Routes />
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<script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>
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<script src="_framework/blazor.web.js"></script>
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</body>
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</html>

‎Binding MariaDB using CustomAdaptor/Grid_MariaDB/Components/Layout/MainLayout.razor‎

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@inherits LayoutComponentBase
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<div class="page">
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<main>
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<article class="content px-4">
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@Body
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</article>
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</main>
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</div>
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<div id="blazor-error-ui" data-nosnippet>
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An unhandled error has occurred.
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<a href="." class="reload">Reload</a>
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<span class="dismiss">🗙</span>
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</div>

‎Binding MariaDB using CustomAdaptor/Grid_MariaDB/Components/Layout/MainLayout.razor.css‎

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.page {
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position: relative;
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display: flex;
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flex-direction: column;
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}
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main {
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flex: 1;
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}
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.sidebar {
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background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
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}
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.top-row {
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background-color: #f7f7f7;
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border-bottom: 1px solid #d6d5d5;
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justify-content: flex-end;
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height: 3.5rem;
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display: flex;
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align-items: center;
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}
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.top-row ::deep a, .top-row ::deep .btn-link {
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white-space: nowrap;
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margin-left: 1.5rem;
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text-decoration: none;
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}
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.top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
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text-decoration: underline;
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}
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.top-row ::deep a:first-child {
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overflow: hidden;
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text-overflow: ellipsis;
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}
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@media (max-width: 640.98px) {
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.top-row {
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justify-content: space-between;
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}
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.top-row ::deep a, .top-row ::deep .btn-link {
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margin-left: 0;
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}
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}
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@media (min-width: 641px) {
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.page {
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flex-direction: row;
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}
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.sidebar {
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width: 250px;
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height: 100vh;
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position: sticky;
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top: 0;
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}
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.top-row {
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position: sticky;
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top: 0;
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z-index: 1;
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}
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.top-row.auth ::deep a:first-child {
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flex: 1;
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text-align: right;
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width: 0;
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}
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.top-row, article {
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padding-left: 2rem !important;
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padding-right: 1.5rem !important;
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}
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}
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#blazor-error-ui {
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color-scheme: light only;
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background: lightyellow;
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bottom: 0;
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box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
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box-sizing: border-box;
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display: none;
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left: 0;
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padding: 0.6rem 1.25rem 0.7rem 1.25rem;
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position: fixed;
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width: 100%;
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z-index: 1000;
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}
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#blazor-error-ui .dismiss {
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cursor: pointer;
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position: absolute;
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right: 0.75rem;
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top: 0.5rem;
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}

‎Binding MariaDB using CustomAdaptor/Grid_MariaDB/Components/Pages/Home.razor‎

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@page "/"
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@rendermode InteractiveServer
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@using System.Collections
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@inject SubscriptionRepository SubscriptionService
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<div class="container-fluid p-4">
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<h1 class="mb-4">Subscription Management System</h1>
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<p class="mb-3">Manage and view all subscription records from the MariaDB database.</p>
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<SfGrid TValue="SubscriptionModel" AllowSorting="true" AllowFiltering="true" AllowGrouping="true" AllowPaging="true"
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Height="500px" Width="100%" Toolbar="@(new List<string>() { "Add", "Edit", "Delete", "Update", "Cancel", "Search" })">
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<SfDataManager AdaptorInstance="@typeof(CustomAdaptor)" Adaptor="Adaptors.CustomAdaptor"></SfDataManager>
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<GridFilterSettings Type="Syncfusion.Blazor.Grids.FilterType.Menu"></GridFilterSettings>
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<GridEditSettings AllowEditing="true" AllowAdding="true" AllowDeleting="true" Mode="EditMode.Normal"></GridEditSettings>
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<GridPageSettings PageSize="10"></GridPageSettings>
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<GridColumns>
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<GridColumn Field=@nameof(SubscriptionModel.Id) IsPrimaryKey="true" ShowInColumnChooser="false" ShowColumnMenu="false"></GridColumn>
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<GridColumn Field=@nameof(SubscriptionModel.PublicID) HeaderText="Public ID" Width="170" TextAlign="TextAlign.Left" AllowAdding="false" AllowEditing="false">
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<Template>
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@{
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var data = (SubscriptionModel)context;
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}
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<a class="status-text status-ticket-id">
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@data.PublicID
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</a>
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</Template>
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</GridColumn>
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<GridColumn Field=@nameof(SubscriptionModel.CustomerId) HeaderText="Customer ID" Width="140" ValidationRules="@(new ValidationRules { Required = true })" EditType="EditType.NumericEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.SubscriptionID) HeaderText="Subscription ID" Width="140" ValidationRules="@(new ValidationRules { Required = true })" EditType="EditType.NumericEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.InvoiceNumber) HeaderText="Invoice No" Width="130" EditType="EditType.DefaultEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.Description) HeaderText="Description" Width="180" EditType="EditType.DefaultEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.Amount) HeaderText="Amount" Width="130" ValidationRules="@(new ValidationRules { Required = true })" Format="N2" TextAlign="TextAlign.Right" EditType="EditType.NumericEdit">
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<Template>
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@{
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var amount = (context as SubscriptionModel)?.Amount ?? 0;
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var amountClass = amount < 0 ? "amnt-negative" : "amnt-positive";
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}
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<span class="@amountClass">@amount.ToString("N2")</span>
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</Template>
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</GridColumn>
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<GridColumn Field=@nameof(SubscriptionModel.CurrencyCode) HeaderText="Curr" Width="100" TextAlign="TextAlign.Center" EditType="EditType.DefaultEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.SubscriptionType) HeaderText="Type" Width="100" EditType="EditType.DropDownEdit" EditorSettings="@TypeDropDownParams">
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<Template>
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@{
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var data = (SubscriptionModel)context;
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}
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<span class="chip @GetCategoryClass(data)">
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@data.SubscriptionType
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</span>
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</Template>
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</GridColumn>
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<GridColumn Field=@nameof(SubscriptionModel.PaymentGateway) HeaderText="Gateway" Width="130" EditType="EditType.DropDownEdit" EditorSettings="@GatewayDropDownParams" />
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<GridColumn Field=@nameof(SubscriptionModel.SubscriptionStartDate) HeaderText="Start Date" Width="170" Format="dd-MMM-yy hh:mm tt" TextAlign="TextAlign.Right" Type="ColumnType.DateTime" AllowEditing="false" />
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<GridColumn Field=@nameof(SubscriptionModel.SubscriptionEndDate) HeaderText="End Date" Width="170" Format="dd-MMM-yy hh:mm tt" TextAlign="TextAlign.Right" Type="ColumnType.DateTime" EditType="EditType.DateTimePickerEdit" />
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<GridColumn Field=@nameof(SubscriptionModel.Status) HeaderText="Status" Width="110" ValidationRules="@(new ValidationRules { Required = true })" EditType="EditType.DropDownEdit" EditorSettings="@StatusDropDownParams">
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<Template>
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@{
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var status = (context as SubscriptionModel)?.Status;
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var badgeClass = status?.ToLower() switch
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{
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"active" => "e-badge e-badge-success",
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"expired" => "e-badge e-badge-danger",
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"pending" => "e-badge e-badge-warning",
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"paused" => "e-badge e-badge-info",
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_ => "e-badge"
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};
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}
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<span class="@badgeClass">@status</span>
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</Template>
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</GridColumn>
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</GridColumns>
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</SfGrid>
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</div>
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@code {
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private CustomAdaptor? _customAdaptor;
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protected override void OnInitialized()
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{
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// Initialize the CustomAdaptor with the injected SubscriptionRepository
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_customAdaptor = new CustomAdaptor { SubscriptionService = SubscriptionService };
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}
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/// <summary>
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/// CustomAdaptor class to handle grid data operations with MariaDB using Entity Framework
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/// </summary>
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public class CustomAdaptor : DataAdaptor
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{
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public static SubscriptionRepository? _subscriptionService { get; set; }
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public SubscriptionRepository? SubscriptionService
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{
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get => _subscriptionService;
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set => _subscriptionService = value;
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}
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public override async Task<object> ReadAsync(DataManagerRequest dataManagerRequest, string? key = null)
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{
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IEnumerable dataSource = await _subscriptionService!.GetSubscriptionsAsync();
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// Handling Search
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if (dataManagerRequest.Search != null && dataManagerRequest.Search.Count > 0)
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{
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dataSource = DataOperations.PerformSearching(dataSource, dataManagerRequest.Search);
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}
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// Handling Filtering
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if (dataManagerRequest.Where != null && dataManagerRequest.Where.Count > 0)
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{
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dataSource = DataOperations.PerformFiltering(dataSource, dataManagerRequest.Where, dataManagerRequest.Where[0].Operator);
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}
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// Handling Sorting
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if (dataManagerRequest.Sorted != null && dataManagerRequest.Sorted.Count > 0)
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{
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dataSource = DataOperations.PerformSorting(dataSource, dataManagerRequest.Sorted);
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}
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int totalRecordsCount = dataSource.Cast<SubscriptionModel>().Count();
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// Handling Paging
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if (dataManagerRequest.Skip != 0)
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{
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dataSource = DataOperations.PerformSkip(dataSource, dataManagerRequest.Skip);
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}
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if (dataManagerRequest.Take != 0)
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{
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dataSource = DataOperations.PerformTake(dataSource, dataManagerRequest.Take);
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}
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// Handling Group operation in CustomAdaptor.
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if (dataManagerRequest.Group != null)
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{
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foreach (var group in dataManagerRequest.Group)
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{
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dataSource = DataUtil.Group<SubscriptionModel>(dataSource, group, dataManagerRequest.Aggregates, 0, dataManagerRequest.GroupByFormatter);
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//Add custom logic here if needed and remove above method
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}
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}
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return dataManagerRequest.RequiresCounts ? new DataResult() { Result = dataSource, Count = totalRecordsCount } : (object)dataSource;
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}
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public override async Task<object> InsertAsync(DataManager dataManager, object value, string? key)
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{
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await _subscriptionService!.AddSubscriptionAsync(value as SubscriptionModel);
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return value;
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}
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public override async Task<object> UpdateAsync(DataManager dataManager, object value, string? keyField, string key)
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{
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await _subscriptionService!.UpdateSubscriptionAsync(value as SubscriptionModel);
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return value;
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}
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public override async Task<object> RemoveAsync(DataManager dataManager, object value, string? keyField, string key)
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{
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await _subscriptionService!.RemoveSubscriptionAsync(value as int?);
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return value;
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}
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public override async Task<object> BatchUpdateAsync(DataManager dataManager, object changedRecords, object addedRecords, object deletedRecords, string? keyField, string key, int? dropIndex)
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{
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if (changedRecords != null)
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{
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foreach (var record in (IEnumerable<SubscriptionModel>)changedRecords)
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{
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await _subscriptionService!.UpdateSubscriptionAsync(record as SubscriptionModel);
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}
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}
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if (addedRecords != null)
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{
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foreach (var record in (IEnumerable<SubscriptionModel>)addedRecords)
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{
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await _subscriptionService!.AddSubscriptionAsync(record as SubscriptionModel);
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}
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}
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if (deletedRecords != null)
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{
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foreach (var record in (IEnumerable<SubscriptionModel>)deletedRecords)
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{
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await _subscriptionService!.RemoveSubscriptionAsync((record as SubscriptionModel).Id);
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}
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}
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return key;
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}
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}
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/// <summary>
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/// Provides a list of payment gateway options used as a data source for the Gateway dropdown editor in the grid.
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/// </summary>
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private static List<SubscriptionModel> CustomGateway = new List<SubscriptionModel> {
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new SubscriptionModel() { PaymentGateway = "Razorpay" },
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new SubscriptionModel() { PaymentGateway= "GooglePay" },
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new SubscriptionModel() { PaymentGateway= "Stripe" },
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new SubscriptionModel() { PaymentGateway= "PhonePe" },
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new SubscriptionModel() { PaymentGateway= "Paytm" },
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};
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/// <summary>
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/// Provides a list of subscription types used as a data source for the Type dropdown editor in the grid.
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/// </summary>
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private static List<SubscriptionModel> CustomType = new List<SubscriptionModel> {
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new SubscriptionModel() { SubscriptionType = "ACTIVE" },
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new SubscriptionModel() { SubscriptionType = "PAUSED" },
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new SubscriptionModel() { SubscriptionType = "EXPIRED" },
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};
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/// <summary>
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/// Provides a list of subscription statuses used as a data source for the Status dropdown editor in the grid.
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/// </summary>
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private static List<SubscriptionModel> CustomStatus = new List<SubscriptionModel> {
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new SubscriptionModel() { Status = "ACTIVE" },
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new SubscriptionModel() { Status = "PAUSED" },
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new SubscriptionModel() { Status = "PENDING" },
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new SubscriptionModel() { Status = "EXPIRED" },
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};
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/// <summary>
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/// Dropdown editor settings configured with payment gateway options for the PaymentGateway column in grid edit mode.
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/// </summary>
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private IEditorSettings GatewayDropDownParams = new DropDownEditCellParams
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{
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Params = new DropDownListModel<object, object>() { DataSource = CustomGateway, Query = new Syncfusion.Blazor.Data.Query() },
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};
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/// <summary>
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/// Dropdown editor settings configured with subscription type options for the SubscriptionType column in grid edit mode.
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/// </summary>
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private IEditorSettings TypeDropDownParams = new DropDownEditCellParams
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{
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Params = new DropDownListModel<object, object>() { DataSource = CustomType, Query = new Syncfusion.Blazor.Data.Query() },
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};
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/// <summary>
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/// Dropdown editor settings configured with subscription status options for the Status column in grid edit mode.
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/// </summary>
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private IEditorSettings StatusDropDownParams = new DropDownEditCellParams
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{
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Params = new DropDownListModel<object, object>() { DataSource = CustomStatus, Query = new Syncfusion.Blazor.Data.Query() },
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};
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/// <summary>
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/// Returns a CSS class name based on the subscription type to apply visual styling in the grid template.
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/// </summary>
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private string GetCategoryClass(SubscriptionModel data)
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{
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return data.SubscriptionType?.ToLower() switch
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{
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"active" => "category-active",
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"paused" => "category-paused",
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"expired" => "category-expired",
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_ => ""
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};
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}
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}

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