Victor Chen

Encode HyperLink in GridView using Custom Expression Binding

Victor Chen — Fri, 22 Jan 2010 15:33:05 +0000

In my C# Web Application, I have a GridView with a TemplatField. Within the TemplateField is a HyperLink control. My goal is to bind this HyperLink control using Custom Expression Binding. I want the NavigateUrl to point to: Visit.aspx?name=XXX XXX in the link above is the database column name. My first instinct is to use the Custom [...]

Enable IIS Manager in Windows 7

Victor Chen — Wed, 13 Jan 2010 02:41:02 +0000

To enable the IIS Manager in Windows 7, you’ll need to follow the following steps: From Windows 7’s Start Menu, search for ‘Turn Windows features on or off’ or find the application from the Control Panel. To enable IIS Management Console, browse to: Internet Information Services > Web Management Tools > IIS Management Console. Check the final [...]

Unable to add to the Web site. Unable to add file. Access is denied.

Victor Chen — Mon, 11 Jan 2010 11:38:07 +0000

While taking over a C# Web Application that had been migrated to work with Visual Studio 2008 (originally developed and migrated from Visual Studio .NET 2003), I occasionally ran into issues while trying to publish the web application to the production server (or any server for that matter). In the output log, there were multiple [...]

Programmatically Submit Form on Enter Key in C#

Victor Chen — Fri, 08 Jan 2010 10:07:10 +0000

By default, a majority of the pages and all the functions on a C# Web Application page are all contained within a single form element. Therefore, there may be multiple buttons or other postback controls within a single form. And this may be the reason why there isn’t by default a control which is automatically [...]

Helpful Unix Commands – SCP

Grace — Tue, 05 Jan 2010 13:00:59 +0000

SCP is useful to securely copy a file or directory from one Unix server to another Unix server. After logging into one Unix server, type the following command to copy a directory from the currently logged on server to serverB: scp -p -r file_name serverB:/dir/test/ The -p parameter copies the permissions, and -r copies recursively for a directory.

Enable Line Numbers In Visual Studio 2010 for C#

Victor Chen — Sun, 03 Jan 2010 18:07:30 +0000

To enable line numbers along the left side of your code (which makes for easier debugging tool), simply navigate to Tools > Options to open the Options Window. In the Options Window, navigate to Text Editor > C# > General. In the screen, there is a checkbox called Line Numbers. Insure the check box is checked. [...]

Visual Studio 2008 – Missing Server Explorer

Victor Chen — Wed, 09 Dec 2009 22:24:25 +0000

In the past year, one way or another, my Server Explorer tab in Visual Studio 2008 had disappeared. My main use of the tab was to access Microsoft Sql Server tables. I had tried a variety of things in the past in a quick effort to fix the problem. I was unable to find a [...]

Setting up NFS on RHEL

Victor Chen — Tue, 06 Oct 2009 20:54:36 +0000

What I’ve recently learned is how to use NFS to share folders between two Red Hat Enterprise Linux 5 machines. They are both on the same network and for simplicity have had firewall disabled (firewall settings were not required in my setup). Below are some tips I used on each of the respective machines in [...]

Trim a String in C#

Victor Chen — Sun, 20 Sep 2009 17:05:55 +0000

Anytime a web form accepts user input that is destined for a database, it is (in the majority of the cases) important to trim string inputs. Without knowing, some users may cut and paste strings from one source to your form. For one reason or another, the cut and paste process may carry along unwanted [...]

“Maximum request length exceeded” in C#

Victor Chen — Thu, 27 Aug 2009 17:57:23 +0000

In C# ASP.NET, I kept getting the following error message: HttpException (0×80004005): Maximum request length exceeded. To make matters worst, this is a type of error that catch does not recognize. In the end, I found a simple solution. By default, the request length of any request is 2048kb. To increase the length, you need to add the [...]