Tutorials References Exercises Sign Up Menu
Create Website Get Certified Pro

WebSecurity - GetUserId()

❮ WebSecurity


The GetUserId() method returns the ID for the specified user.

C# and VB Syntax



Parameter Type Description
userName String The user name

Return Value

Type Description

 The user ID

Errors and Exceptions

Any access to the WebSecurity object throws an InvalidOperationException if:

  • The InitializeDatabaseConnection() method has not been called
  • SimpleMembership is not initialized (or disabled in the website configuration)


The user ID is the primary key for the user information stored in the user database.

It is used to identify the user, both in the user profile table and in the membership table.

❮ WebSecurity