Working with variables

Variables used

A variable has to be created before the application is being published. After an application has been published in Qlik Sense Server, only session variables can be created. A variable has to be created before the application is being published, If an app has been published in Qlik Sense Server you can only use session variables. A session variable lives and dies within the session.

Create

• CreateVariableEx

Get

• GetVariableById

• GetVariableByName

• GetVariableList

Destroy

• DestroyVariableById

• DestroyVariableByName

Session Variables

• CreateSessionVariable

• DestroySessionVariable

Scenario:

Example:

private IVariable CreateVariable(IApp myApp)
{
	return myApp.CreateVariableExpression(null,new VariableProperties
	{
		Name = "Sales2012",
		Definition = @"=Year(Today())-3"
	});
}

Example:

private IVariable CreateSessionVariable(IApp myApp)
{
	return myApp.CreateSessionVariable(null, new VariableProperties
	{
		Name = "Sales2011",
		Definition = @"=Year(Today())-4",
	});
}
		

The following variables are obsolete and will be removed within a year

• CreateVariable

• GetVariable

• RemoveVariable

• SetFavoriteVariables

• GetFavoriteVariables