Tag Archives: ASP.NET

Injecting Values for Default MVC Model Binding

Posted on November 7, 2013 by calvin998

In a recent project, due to security concerns, we want to encrypt all QueryString values into a single encrypted value before placing the link in web pages, then decrypt it back to individual name/value pairs and pass them to default … Continue reading →

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Src=” causes double page requests

Posted on October 12, 2011 by calvin998

A html tag with src=” (ie img) will cause the browser to try to request that resource at the same URL as the current page, hence causes double requests.

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Formatting Dates, Times and Numbers in C#

Posted on November 12, 2010 by calvin998

Good reference (with examples)  http://www.4guysfromrolla.com/articles/111010-1.aspx

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C# String Format examples for Double

Posted on September 24, 2010 by calvin998

From http://www.csharp-examples.net/string-format-double/ The following examples show how to format float numbers to string in C#. You can use static method String.Format or instance methods double.ToString and float.ToString. Digits after decimal point This example formats double to string with fixed number … Continue reading →

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Why EntitySet not auto-generated by LINQ-to-SQL?

Posted on July 19, 2010 by calvin998

It turns out the the child table must have a primary key. If not set in database level, that can be set in the *dbml file. Multiple-field primary key works too.

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Roundup of ASP.NET Dynamic Data

Posted on June 1, 2009 by calvin998

Dynamic Data is a very nice tool comes with .NET 3.5 SP1. It offers CRUD support out of box (scaffolding) and is also very easy to customize! Add to an existing web applicataion: for many web applications (especially those existing … Continue reading →

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MachineKey in web.config

Posted on April 15, 2009 by calvin998

There are few scenarios that you want to add MachineKey into your web application’s web.config: You have a web farm and in each server the machine.config set to auto generate machinekey. You want to use “Encyrpted” password format in ASP.NET … Continue reading →

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Mysterious Double Post Back/Page Request

Posted on March 10, 2009 by calvin998

Recently I run into a strange situation that one of my pages was always loaded twice for each reqeust. This happened only when I enable  “URL Rewrite” feature for the site.  After almost a hour of debugging, I found it’s … Continue reading →

Posted in ASP.NET | Tagged | 2 Comments