IsNull()

Determines whether given object is null or not

IsNull( object=any );

Returns: Boolean

Argument Description
object
any, required

Object for which you perform the null check.

Examples

v1="test";
writeDump(isnull(v1));//false
v2;//Defining empty variable or v2=nullValue();
writeDump(isnull(v2));//true

See also