Material Light
Material Blue Light
Material Lime Light
Material Orange Light
Material Purple Light
Material Teal Light
Material Dark
Material Blue Dark
Material Lime Dark
Material Orange Dark
Material Purple Dark
Material Teal Dark
Material Light Compact
Material Blue Light Compact
Material Lime Light Compact
Material Orange Light Compact
Material Purple Light Compact
Material Teal Light Compact
Material Dark Compact
Material Blue Dark Compact
Material Lime Dark Compact
Material Orange Dark Compact
Material Purple Dark Compact
Material Teal Dark Compact
Generic Light
Generic Light
Carmine
Soft Blue
Green Mist
Generic Dark
Generic Dark
Contrast
Dark Violet
Dark Moon
Generic Light Compact
Generic Light Compact
Generic Dark Compact
Generic Dark Compact
Contrast Dark Compact
Fluent Light
Fluent Light
Fluent SaaS Light
Fluent Dark
Fluent Dark
Fluent SaaS Dark
Fluent Light Compact
Fluent Light Compact
Fluent SaaS Light Compact
Fluent Dark Compact
Fluent Dark Compact
Fluent SaaS Dark Compact
Backend API
@model DevExtreme.NETCore.Demos.Models.ActiveCompany<div id="form-demo"> <div class="widget-container"> <div id="companySelectText">Select company:</div> @(Html.DevExtreme().SelectBox() .ID("companySelectBox") .DisplayExpr("Name") .InputAttr("aria-label", "Company") .Label("Select company") .LabelMode(EditorLabelMode.Floating) .DataSource(d => d.Mvc().LoadAction("GetCompanies").Key("ID")) .Value(1) .OnValueChanged("selectBox_valueChanged") ) @(Html.DevExtreme().Form() .ID("form") .ColCount(2) .FormData(Model) .LabelMode(FormLabelMode.Floating) .LabelLocation(FormLabelLocation.Left) .MinColWidth(300) .ReadOnly(false) .ShowColonAfterLabel(true) ) </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Label mode:</span> @(Html.DevExtreme().SelectBox() .InputAttr("aria-label", "Label Mode") .DataSource(new[] { "outside", "static", "floating", "hidden" }) .Value("floating") .OnValueChanged("labelMode_changed") ) </div> <div class="option"> <span>Label location:</span> @(Html.DevExtreme().SelectBox() .DataSource(new[] { "left", "top" }) .Value("left") .InputAttr("aria-label", "Label Location") .OnValueChanged("labelLocation_changed") ) </div> <div class="option"> <span>Columns count:</span> @(Html.DevExtreme().SelectBox() .InputAttr("aria-label", "Column Count") .DataSource(new object[] { "auto", 1, 2, 3 }) .Value(2) .OnValueChanged("colCount_changed") ) </div> <div class="option"> <span>Min column width:</span> @(Html.DevExtreme().SelectBox() .DataSource(new[] { 150, 200, 300 }) .InputAttr("aria-label", "Min Column Width") .Value(300) .OnValueChanged("minColWidth_changed") ) </div> <div class="option"> <span>Form width:</span> @(Html.DevExtreme().NumberBox() .Value(null) .Max(550) .InputAttr("aria-label", "Width") .OnValueChanged("formWidth_changed") ) </div> <div class="option"> @(Html.DevExtreme().CheckBox() .Text("readOnly") .Value(false) .OnValueChanged("readOnly_changed") ) </div> <div class="option"> @(Html.DevExtreme().CheckBox() .Text("showColonAfterLabel") .Value(true) .OnValueChanged("showColonAfterLabel_changed") ) </div> </div></div><script> function getFormInstance() { return $("#form").dxForm("instance"); } function selectBox_valueChanged(data) { getFormInstance().option("formData", data.value); } function labelMode_changed(data) { getFormInstance().option("labelMode", data.value); const $companySelectText = $("#companySelectText"); const companySelectBox = $("#companySelectBox").dxSelectBox("instance"); if(data.value === "outside") { companySelectBox.option("labelMode", "hidden"); $companySelectText.show(); } else { companySelectBox.option("labelMode", data.value); $companySelectText.hide(); } } function labelLocation_changed(data) { getFormInstance().option("labelLocation", data.value); } function colCount_changed(data) { getFormInstance().option("colCount", data.value); } function minColWidth_changed(data) { getFormInstance().option("minColWidth", data.value); } function formWidth_changed(data) { getFormInstance().option("width", data.value); } function readOnly_changed(data) { getFormInstance().option("readOnly", data.value); } function showColonAfterLabel_changed(data) { getFormInstance().option("showColonAfterLabel", data.value); }</script>
using DevExtreme.AspNet.Data;using DevExtreme.AspNet.Mvc;using DevExtreme.NETCore.Demos.Models.SampleData;using DevExtreme.NETCore.Demos.ViewModels;using Microsoft.AspNetCore.Mvc;using System;using System.Collections.Generic;using System.Linq;namespace DevExtreme.NETCore.Demos.Controllers { public class FormController : Controller { public ActionResult Overview() { return View(SampleData.ActiveCompanies.First()); } [HttpGet] public object GetCompanies(DataSourceLoadOptions loadOptions) { return DataSourceLoader.Load(SampleData.ActiveCompanies, loadOptions); } }}
using System.Collections.Generic;namespace DevExtreme.NETCore.Demos.Models.SampleData { public partial class SampleData { public static readonly IEnumerable<ActiveCompany> ActiveCompanies = new[] { new ActiveCompany() { ID = 1, Name = "Super Mart of the West", Address = "702 SW 8th Street", City = "Bentonville", State = "Arkansas", ZipCode = 72716, Phone = "(800) 555-2797", Fax = "(800) 555-2171", Website = "", Active = true }, new ActiveCompany() { ID = 2, Name = "Electronics Depot", Address = "2455 Paces Ferry Road NW", City = "Atlanta", State = "Georgia", ZipCode = 30339, Phone = "(800) 595-3232", Fax = "(800) 595-3231", Website = "", Active = true }, new ActiveCompany() { ID = 3, Name = "K&S Music", Address = "1000 Nicllet Mall", City = "Minneapolis", State = "Minnesota", ZipCode = 55403, Phone = "(612) 304-6073", Fax = "(612) 304-6074", Website = "", Active = true }, new ActiveCompany() { ID = 4, Name = "Tom's Club", Address = "999 Lake Drive", City = "Issaquah", State = "Washington", ZipCode = 98027, Phone = "(800) 955-2292", Fax = "(800) 955-2293", Website = "", Active = true } }; }}
using System;using System.Collections.Generic;using System.Linq;namespace DevExtreme.NETCore.Demos.Models { public class ActiveCompany { public int ID { get; set; } public string Name { get; set; } public string Address { get; set; } public string City { get; set; } public string State { get; set; } public int ZipCode { get; set; } public string Phone { get; set; } public string Fax { get; set; } public string Website { get; set; } public bool Active { get; set; } }}
.widget-container { margin-right: 320px; padding: 20px; max-width: 550px; min-width: 300px;}#form { margin-top: 25px;}#companySelectText { display: none;}.options { padding: 20px; position: absolute; bottom: 0; right: 0; width: 260px; top: 0; background-color: rgba(191, 191, 191, 0.15);}.caption { font-size: 18px; font-weight: 500;}.option { margin-top: 10px;}