Chandra Oemaryadi | Knowledge Base

Chandra Oemaryadi has written 244 articles

ASP MVC Form Model Binding to Non-Sequential List

Posted on June 28, 2014June 28, 2014 by Chandra Oemaryadi

[code language=”html”] <form method="post" action="/Home/Create"> <input type="hidden" name="products.Index" value="cold" /> <input type="text" name="products[cold].Name" value="Beer" /> <input type="text" name="products[cold].Price" value="7.32" /> <input type="hidden" name="products.Index" value="123" /> <input type="text" name="products[123].Name" value="Chips" /> <input type="text" name="products[123].Price" value="2.23" /> <input type="hidden" name="products.Index" value="caliente" /> <input type="text" name="products[caliente].Name" value="Salsa" /> <input type="text" name="products[caliente].Price" value="1.23" /> <input type="submit" /> </form> [/code]…

ASP.NET MVC Default Route to Area

Posted on June 28, 2014June 28, 2014 by Chandra Oemaryadi

[Warning] Mengakibatkan masalah ketika memanggil @Url.Action tapi tidak ada area. Disarankan default page jangan di dalam area. Masalah ketika default page di dalam area. Controller masuk, tapi mencari view di luar area. RouteConfig.cs [code language=”csharp”] public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute( "Default", "{controller}/{action}/{id}", new { controller = "Dashboard", action = "Index", area =…

ADO.NET Entity Framework Many-to-Many

Posted on June 26, 2014December 31, 2014 by Chandra Oemaryadi

Jika ada tabel many-to-many, dengan tabel perantara yang tidak memiliki id, perlu penanganan khusus pada DbContext. Contoh penanganan sbb: [code language=”csharp”] public class SchoolContext : DbContext { public DbSet<Course> Courses { get; set; } public DbSet<Person> People { get; set; } public SchoolContext() : base("MyDb") { } protected override void OnModelCreating(DbModelBuilder modelBuilder) { modelBuilder.Entity<Course>(). HasMany(c…

Visual Studio Debug Access from Other Computer

Posted on June 26, 2014 by Chandra Oemaryadi

Assume your machine name is ‘jedi’, and your port number is ’16253′, replace appropriately. 1. Run a command prompt as administrator, and type in netsh http add urlacl url=http://jedi:16253/ user=everyone 2. Open up the following file in Notepad or Visual Studio MyDocuments\IISExpress\config\ applicationhost.config change the binding from: <binding protocol=”http” bindingInformation=”*:16253:localhost” /> to: <binding protocol=”http” bindingInformation=”*:16253:jedi”…

Visual Studio Setting

Posted on June 25, 2014 by Chandra Oemaryadi

Setting Visual Studio yang cukup membantu 😀 A. Menjalankan IIS tanpa men-debug Turning off the new “Enable Edit and Continue” feature fixed it for me. Open Options dialog box (Tools | Options) Locate “Debugging\Edit and Continue” Uncheck “Enable Edit and Continue” http://stackoverflow.com/questions/19568762/how-can-i-prevent-visual-studio-2013-from-closing-my-iis-express-app-when-i-end B. Debug tanpa membuka browser Open your startup project’s properties (Project->{ProjectName} Properties… from…

SQL Server Text Sorting and Filtering

Posted on June 25, 2014June 25, 2014 by Chandra Oemaryadi

Ternyata SQL Server column dengan tipe text mengalami masalah waktu mau di sort & filter di Kendo Grid. Solusi sementara mengganti tipe column menjadi VARCHAR(MAX). Dari artikel yang saya baca, sebaiknya menggunakan VARCHAR(MAX) daripada text.

Kendo Grid Column Null Value

Posted on June 23, 2014 by Chandra Oemaryadi

Kendo Grid menampilkan tulisan “null” jika data dari server null. Supaya Grid menampilkan cell kosong, gunakan fungsi javascript seperti berikut [code language=”javascript”] function isnull(a, b) { b = b || ”; return a || b; } [/code] Penggunaan di Grid [code language=”javascript”] { field: "whys", title: "Isu Kunci", template: "#= isnull(KeyIssue, ”) #", }, [/code]

ASP Read & Write File

Posted on June 15, 2014 by Chandra Oemaryadi

[code language=”csharp”] public void ReadFromFile() { string fullPath = System.Web.Hosting.HostingEnvironment.MapPath(FilePath); if (System.IO.File.Exists(fullPath)) { using (StreamReader sr = File.OpenText(fullPath)) { Description = sr.ReadToEnd(); } } } public void SaveToFile() { string fullPath = System.Web.Hosting.HostingEnvironment.MapPath(FilePath); File.WriteAllText(fullPath, Description); //create / overwrite } [/code]

ASP Get Physical Path from Virtual Path

Posted on June 15, 2014 by Chandra Oemaryadi

Contoh: [code language=”c#”] string filePath = "~/App_Data/remarks.txt"; string fullPath = System.Web.Hosting.HostingEnvironment.MapPath(FilePath); [/code]