String.IsNullOrWhiteSpace Previous version of C# contain method String.IsNullOrEmpty which checks whether string is empty or null. If String only contain white spaces (it's also a case of empty string) you will be required to add an additional trim()...
There are scenarios when you want to directly upload the file from the client browser/application to S3. Amazon provides simple POST method to upload files to amazon File Upload . That method is not acceptable when you want to upload the file(s) programatically...
You can customize the DataGridView to work the way you want. There are scenarios when default behavior of the DataGridView is not sufficient to fulfill the requirements. For example you want to override the behavior of DataGridView such that when i press...