Blazor Components Demos and Examples - Telerik UI for Blazor Most Popular Blazor Components Grid The Grid allows you to browse, sort and edit tabular data. The DropDownList allows you to select an item from a list of predefined values. In the following snippet well enable paging, sorting, grouping and filtering by setting their respective properties. Now enhanced with: Data grids are the gold standard for displaying large amounts of data in business applications. The benefits of the strongly typed C# language enable techniques that can reduce the amount of code required to accomplish repetitive tasks. Thus far auto generation works but doesnt quite match the desired user experience. The Upload allows you to upload files to a server handler asynchronously. Blog Post The Grid allows you to browse, sort and edit tabular data. Instead of defining each column, we can remove the GridColumns and its children completely from the markup and set the AutoGenerateColumns property on the parent grid component. An error has occurred. The Charts allow you to visualize and output graphical representations of data. The event handler sets the model type to be used for new items in the Grid. In the code example below, the grid is constructed of multiple HTML-like elements that define the grid columns, data formats, data source and grid features. He has designed and developed web based applications for business, manufacturing, systems integration as well as customer facing websites. drag the border of the header of the Grid column and drop it to a new location. Loading the demo source codeplease wait. Since version 2.27, the Grid supports binding to a collection of multiple model types that implement the same interface. Ed Charbeneau is a web enthusiast, speaker, writer, design admirer, and Developer Advocate for Telerik. Weve easily increased the value of this component for our users with some markup. After annotating the model we can compare the markup-defined grid to the auto-generated one and see there are no longer any differences between the two. See Trademarks for appropriate markings. When using auto generation, the TelerikGrid component may even be converted to a self-closing tag if no additional modifications are necessary. They showcase an EntityFramework context using an SQL database that provides data to a grid through a service, which is a common architecture for decouping the front-end from the actual data source that you can apply to any database. Each property is mapped as-is using the property name as the grid columns Title. Creating Blazor Data Grid Use the TelerikGrid tag. Description You can bind the Telerik Grid for Blazor to DataTable. We can easily enable UI functionality through simple properties, and further automate UI development with a low-code model first approach. You only need to get the collection of data models to the Grid in the view-model of the component hosting it. However, by leveraging the DataGrid's OnRead event, you can retrieve data on an "as you need it" basis, fetching objects only as the user pages forward through the grid. Generate some or all columns automatically. Through example we saw both a markup-defined grid and data-driven auto-generated grid. They provide scenarios and answers to common how-to questions related to: Blazor Data Grid Blazor Chart Blazor Editor Blazor Drawer Blazor Scheduler and more. Both the Blazor Grid and the Report Viewer are loaded into TabStrip tabs. To group the Grid by another column, drag the column header and drop it in the designated place. This Blazor Grid - Overview demo is part of a unique collection of hundreds of Blazor demos, with which you can see all Telerik Blazor components and their features in action. The Telerik UI for Blazor grid is built specifically for this task by incorporating a wealth of features, most of which can be enabled in a simple and intuitive way. Before we get acquainted with the auto generation feature, lets take a look at the model class used in the example. Ed's latest projects can be found on GitHub. If you need to do that with data according to the current grid filter, for example, you can cache the grid DataSource request ( example) and re-run it on your backend ( examples) without paging to get those filtered results. One-type model creation is supported out-of-the-box. Hello Brian, I will paste belowthe general guidance I sent in your ticket for anyone else having a similar question. Through example we saw both a markup-defined grid and data-driven auto-generated grid. In addition, the same model is used with the Telerik Grids auto-generated form if editing is enabled on the grid. For example, clicking on a segment in a Pie chart might load another Pie Chart which contains the distribution of the original segment. Download Free 30-day trial. Telerik offers grids for every .NET web, mobile, and desktop framework. Ed enjoys geeking out to cool new tech, brainstorming about future technology, and admiring great design. To change the row background conditionally, use the OnRowRender event to . The Telerik UI for Blazor grid is built specifically for this task by incorporating a wealth of features, most of which can be enabled in a simple and intuitive way through low-code options. The Telerik Grid component for Blazor allows you to resize its columns in order to align the column width to the content in the way you prefer. Telerik UI for Blazor is a professional grade UI library with 100 native components for building modern and feature-rich applications. (If you want to add Ignite UI for Blazor components to an existing application, go directly to Step 2 .) This section of markup is repetitive and cumbersome to write. You can read more and find examples in the Grid - Foreign Key KnowledgeBase article. The example builds on top of the InCell Edit Mode, and stores metadata and copies of the original Grid items. A Template is used within a grid column and data is passed to a method for finding the icon which is rendered in the grid cell. The Telerik Grid component for Blazor allows you to resize its columns in order to align the column width to the content in the way you prefer. The Blazing Coffee sample application shows how to provide data from a SQL (uses SQLite) database to the Grid using Entity Framework Core services. By using data annotations, a backend developer can be more productive by writing less code in a familiar environment. All Rights Reserved. Assign the Grid Data parameter to an IEnumerable<T> property, or use the OnRead event. Visualize data and let users edit it with the powerful Grid component. All Rights Reserved. (optional) Enable some data operations like paging, sorting or filtering. This will act as a global using statement for our application. We see that you have already chosen to receive marketing materials from us. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. This technique can be applied to columns that need customization that cant be accomplished with attributes such as templates. We can easily enable UI functionality through simple properties, and further automate UI development with a low-code model first approach. Lets focus for a moment on the first line of markup and see where simple adjustments can make a big difference in how the grid operates. Do the auto generation features of Telerik UI for Blazor interest you? Using this model, each of the properties are mapped to a GridColumn component and additional Title and DisplayFormat properties are set to achieve the desired output. Telerik UI for Blazor Data Grid. You could also use other flexible objects such as a collection of ExpandoObject. Also lists the features (parameters) of a bound column. Progress, Telerik, and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. Grid Manual Data Source Operations - Documentation, Grid Data Editing Overview - Documentation, Binding the Grid to ExpandoObject Data - Sample Project. It seems if you don't include the attribute to the grid SelectionMode="@GridSelectionMode.Single" for example, the row will not show as selected in the case of a single row mode. _ViewImports.cshtml @addTagHelper *,Kendo.Blazor Its quite possible to add a fully featured grid component with a single element. Any columns defined before or after will be displayed in addition to what is generated. By using data annotations, a backend developer can be more productive by writing less code in a familiar environment. The grid uses the model to generate the output using the property names and types. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. All Telerik .NET tools and Kendo UI JavaScript components in one package. The Telerik UI for Blazor Grid is a powerful component with many features. Each approach fills a unique role depending on the developers needs while providing flexibility to choose the right mix of low-code and customization. Low-code is an industry term with a broad definition. You can customize the rendering of a column by using the Template as shown in the Image Column. DataTable, ExpandoObject collection - If you don't have actual strongly typed models (yet) and you use ExpandoObject, or your backend comes from an older technology and still returns DataTables, the grid can accommodate such dynamic data types. Note the usage of OnModelInit in the example below. Progress collects the Personal Information set out in our Privacy Policy and Privacy Policy for California Residents and uses it for the purposes stated in that policy. If you need to support adding instances of different types: Up to version 2.26, the Data collection of the Grid must contain instances of only one model type. If an external form is needed for modifying data, the Telerik Form also exhibits the same auto generation capabilities. This demo demonstrates some of the most popular features of the Telerik UI for Blazor Grid. Loading the demo source codeplease wait. If you have ideas on how we can improve this feature please let us know in our Feedback Portal. This Blazor Grid - Observable Data demo is part of a unique collection of hundreds of Blazor demos, with which you can see all Telerik Blazor components and their features in action. This is a flexible approach that you can use for any type of service you have - serializing and deserializing the data according to the application logic and needs, and optimizing the database queries on the backend. The sample below is the model without any annotations. If you wish to change this at any time you may do so by clicking here. Since Blazor uses .NET and our data models are strongly typed, the grid can infer information from the model. As we can see in the image below, the custom column shows icons based on the data as well as an Excel-like filter from data in the data set. Blazor DataGrid Meets Telerik Report Viewer Learn how to easily modify the data set to what you want and display it in reports. Fortunately, with the Telerik Grids auto generation feature this isnt a problem. With support for paging, sorting, filtering, lazy loading, flexible data binding to any application data source, export, selection, powerful state management, templates and many other features, this comprehensive control can be trivially setup to cover a variety of use cases. In a server-side app, an IQueriable that ties to an appropriate context (such as EntityFramework) that can optimize the LINQ queries the grid generates is a quick option. With that in mind, lets focus in on the larger portion of the markup, where the grid columns are defined. To try it out sign up for a free 30-day trial. Scheduler The Scheduler allows you to display events in different views with built-in support for editing. In this example well complete the grid by including a custom column that displays an icon based on the data from the Summary field. gRPC - the gRPC tooling supports .NET Core, and as of mid-June 2020, there is a package that brings it to WebAssembly. You have the right to request deletion of your Personal Information at any time. In this case, the Grid will hold all the data and will perform all data operations internally (sorting, paging, filtering, grouping, aggregates, etc.). Also, let us know your thoughts in the comment section. Meeting the most popular and stringent requirements, they save you a ton of time and.dare we say it - they make grids fun! It shows how to edit data, and save or revert changes in bulk. Handling this event opens the door for showing more specialized data to the user. By default the items in the component are grouped by their Category which is done through the Grid State. Within the GridColumns we instruct the grid where to render the auto-generated columns by adding a GridAutoGeneratedColumns component. As someone who has used Blazor extensively for several years now, I have found Blazor to be a productive development platform. If we enable the following properties, we can greatly improve the usability of the component. An error has occurred. Download Free Trial Creating RangeSlider Use the TelerikRangeSlider tag to add the component to your razor page. The Editor allows you to create textual content through a WYSIWYG interface. Even with simple switches like these, its easy to imagine that a data grid with many features could quickly balloon into many lines of markup. Telerik UI for Blazor 2.26.0Gantt Chart, Grid, TreeList, Scheduler Improvements and More! The CRUD sample project our extensions for Visual Studio and Visual Studio Code can generate for you showcases a similar architecture that you can use as a starting point. The demo showcase how to implement the binding and get all the Grid functionalities such as filtering, sorting, paging and even editing out of the box. For full control, use the OnRead event. WebAPI data source - you can see how to send an appropriate request for data and return an optimized query in the following sample projects: Grid DataSourceRequest on the server. The Telerik UI for Blazor Chart component exposes a Click event, triggered when the user clicks on the chart. In addition, the Telerik Grid supports System.ComponentModel.DataAnnotations that provide metadata when applied to the model. 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