CODING

Microsoft SQL Server Express can be used in working environment but connecting to the instance from other machine can provide the error message:

"An error has occurred while establishing a connection to the server."

This error message can have a couple of causes. At the first place check whether this particular instance allows remote connections. Default installation doesn't allow so you need to enable this option first.

Set a Database to Single-user Mode with SQL Server Management Studio

Single-user mode specifies that only one user at a time can access the database and is generally used for maintenance actions.

This topic describes how to set a user-defined database to single-user mode by using Object Explorer in SQL Server Management Studio.

Here is a code snippet for removing non-numeric characters in C#.

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One of the most used logic related to submitting a form is preventing sumbission if a field is empty.

In this example we'll provide examples with source code how to prevent form submit in case of empty field.

The main trick here is using .preventDefault() function to stop the submission.