C#

Shameel wrote:

As a best practise, you should always create a dedicated database user
specifically for your app and apply principle of least privileges to that user

Development configuration (working)
===================================
App.exe
BaseDll.dll
ExtensionDll.dll

Deployment configuration (not working?)
======================================
App.exe
  Extensions\BaseDll.dll
  Extensions\ExtensionDll.dll

System.IO.FileNotFoundException: Could not load file or assembly 'BaseDll...........

<root dir>\MyApp
          App.exe
          Base.dll
          .\Extension\
               Extended.dll

// brush is declared as Brush brush, but is a solid brush instance

if(brush is SolidBrush)
{
  SolidBrush sb = (SolidBrush)brush;

  // Serialize the properties of the brush here

}
else if(brush is LinearGradientBrush)
{
  // And so on and so forth.

}
// Repeat for other brush types as required

Bob Dole

The internet is a great way to get on the net.

2.0.82.7292 SP6a

SELECT COUNT(userName) FROM myTable WHERE userName='DoesThisExist'

public bool UserNameExists( string username )
{
   // Connect to your database...

   // Run a query to check if username exists. 
   // NOTE: Use a paramatarized query.
   // Something like: SELECT count(*) FROM [YourUserTable] WHERE [YourUserNameColumn] = @username
}