How to check if connection string is valid?

Question

I\'m writing an application where a user provides a connection string manually and I\'m wondering if there is any way that I could validate the connection string - I mean ch

Answer 1

If the goal is validity and not existence, the following will do the trick:

try
{
    var conn = new SqlConnection(TxtConnection.Text);
}
catch (Exception)
{
    return false;
}
return true;