Chandra Oemaryadi | Knowledge Base

Chandra Oemaryadi has written 244 articles

DevExpress Grid Show Data from One to Many

Posted on July 7, 2015 by Chandra Oemaryadi

Kasus: project memiliki relasi one-to-many terhadap history_afe. Pada tabel ingin ditampilkan data status yang merupakan status project terakhir dari tabel history_afe. ASPX [code language=”aspx”] <dx:GridViewDataTextColumn FieldName="Status" VisibleIndex="30" Caption="Status"> <Settings AllowAutoFilter="False" AllowSort="False" /> <DataItemTemplate> <dx:ASPxLabel ID="LastStatus" runat="server" OnInit="LastStatus_Init"></dx:ASPxLabel> </DataItemTemplate> </dx:GridViewDataTextColumn> [/code] C# [code language=”csharp”] protected void LastStatus_Init(object sender, EventArgs e) { DevExpress.Web.ASPxEditors.ASPxLabel label = (DevExpress.Web.ASPxEditors.ASPxLabel)sender; GridViewDataItemTemplateContainer…

ASP MVC Error Could not load file or assembly … The parameter is incorrect

Posted on July 7, 2015 by Chandra Oemaryadi

Sesudah laptop bluescreen, ketika me-run aplikasi ASP MVC muncul error Could not load file or assembly … The parameter is incorrect. Solusinya dengan menghapus file di: \bin C:\Users\your_username\AppData\Local\Temp\Temporary ASP.NET Files in windows 7) http://stackoverflow.com/questions/8269386/could-not-load-file-or-assembly-the-parameter-is-incorrect

Kendo ComboBox Cascading

Posted on July 2, 2015 by Chandra Oemaryadi

Pada ComboBox Cascading, ada 2 combobox: parent dan child. Isi combobox child ditentukan oleh pilihan user pada combobox parent. [code language=”html”] <div class="form-group"> @Html.LabelFor(model => model.GroupId, new { @class = "col-xs-2 control-label" }) <div class="col-xs-4"> @Html.TextBoxFor(model => model.GroupId, new { @class = "form-control" }) @Html.ValidationMessageFor(model => model.FullName) </div> </div> <div class="form-group"> @Html.LabelFor(model => model.DepartmentId, new…

Kendo Grid Datasheet Mode / Batch Edit

Posted on June 18, 2015 by Chandra Oemaryadi

Kendo Grid memiliki fasilitas Batch edit, membuat tampilan grid kita seperti excel, dapat diubah setiap cell nya. Menggunakan Batch mode, perlu penanganan khusus untuk dropdown. Contoh Datasheet mode /Batch edit dapat dicek pada Template, IncomingDocumentController.

ASP MVC Remove Validation

Posted on June 18, 2015 by Chandra Oemaryadi

Berikut contoh penggunaan remove validation pada model di ASP MVC. Remove validation hanya berfungsi jika fungsi client side validation diaktifkan. [code language=”csharp”] [Remote("CheckForUniqueEmail", "Membership", "SecurityGuard", AdditionalFields="User.UserName", ErrorMessage = "This {0} is already used.")] public string Email { get; set; } [/code] [code language=”html”] <div class="form-group"> @Html.LabelFor(model => model.Email, new { @class = "col-xs-2 control-label" })…

ASP Add Callback to jQuery Form Validation on Invalid

Posted on June 17, 2015 by Chandra Oemaryadi

Fungsi untuk menangani callback setelah terjadi error pada validasi form client side menggunakan jQuery [code language=”javascript”] $(‘#main-form’).bind(‘invalid-form.validate’, function () { $(‘form button, form input[type=submit]’).removeAttr(‘disabled’); }); [/code] main-form adalah id dari form yang divalidasi. http://stackoverflow.com/questions/3873534/how-can-i-add-callbacks-to-jquery-validation-when-used-in-mvc-2

ASP.NET MVC Security Guard Membership using Profile for Additional User Data

Posted on June 17, 2015February 15, 2016 by Chandra Oemaryadi

Kita dapat menambahkan data user yang secara default disediakan oleh Security Guard / Membership. Misalnya kita mau menambahkan data nama lengkap user. Untuk menambahkan data tersebut, kita dapat menggunakan fitur Profile yang disediakan Membership. 1. Buat kelas profile yang berisi data-data tambahan user [code language=”csharp”] namespace WebUI.Models { public class UserProfile : ProfileBase { [SettingsAllowAnonymous(false)]…

ASP MVC Create Full URL in Controller

Posted on June 16, 2015 by Chandra Oemaryadi

Menghasilkan full url di dalam Controller MVC [code language=”csharp”] string address = Request.Url.Scheme + "://" + HttpContext.Request.Url.Authority + Url.Action("Detail", "IncomingDocument", new { id = form.Id }); [/code] Contoh hasilnya: http://localhost:3750/IncomingDocument/Detail/16 http://stackoverflow.com/questions/699782/creating-a-url-in-the-controller-net-mvc

Kendo UI Combobox

Posted on June 16, 2015November 29, 2017 by Chandra Oemaryadi

Contoh penggunaan Kendo UI Combobox, dengan mewajibkan user memilih salah satu nilai yang valid dari Combobox. [code language=”javascript”] function comboBoxOnChange(e){ if (this.value() && this.selectedIndex == -1) { //or use this.dataItem to see if it has an object this.text(”); } } $(‘#Disposition1Email’).kendoComboBox({ dataTextField: "Text", dataValueField: "Value", autoBind: false, dataSource: { data: @Html.Raw(Model.GetAssigneeOptionsAsJson()) }, change : comboBoxOnChange,…

Kendo UI AutoComplete Example

Posted on June 9, 2015June 9, 2015 by Chandra Oemaryadi

Contoh kode javascript menggunakan Kendo UI AutoComplete [code language=”javascript”] var assigneeValid = false; $("#Assignee").kendoAutoComplete({ placeholder: "Silakan Pilih", dataTextField: "Text", filter: "contains", minLength: 2, dataSource: new kendo.data.DataSource({ data: @Html.Raw(Model.GetAssigneeOptionsAsJson()) }), open: function(e){ assigneeValid = false; }, select: function (e) { var item = e.item; var dataItem = this.dataItem(e.item.index()); $("#Assignee").val(dataItem.Text); assigneeValid = true; }, close: function(e){ if(!assigneeValid)…