unique key based on 2 or more columns in SQl Server 2005 or later

CREATE UNIQUE NONCLUSTERED INDEX IX ON Tbl
(
        Col1  ,
        Col2 ,
 Col3
) WITH( IGNORE_DUP_KEY = OFF)

Breaking out of a nested loop c# aspnet

for (int i = 0; i < 100; i++)
{
    for (int j = 0; j < 100; j++)
    {
        if (exit_condition)
        {
            // cause the outer loop to break:
            i = INT_MAX;
            // break the inner loop
            break;
        }
    }
}

IIS - this configuration section cannot be used at this path (configuration locking?)

For Windows 7

• Click "Start button"
• in the search box, enter "Turn windows features on or off"
• in the features window, Click: "Internet Information Services"
• Click: "World Wide Web Services"
• Click: "Application Development Features"
• Check (enable) the features. I checked all but CGI.

For Windows Server 2012

• Configure Web Server(IIS) inside roles and features
• Add all features including dot net framework 4