Binary String Intrinsic Functions - IsSqlNull Method
Test if the variable is SQLNull
Member of Binary String Intrinsic Functions (PRIM_LIBI.IBinaryStringIntrinsics)
Name |
Type |
Data Type |
Description |
Result |
*Result (Optional) |
Boolean |
True if the variable is SQLNull |
IsSqlNull tests the variable and returns True if it is an SQLNull.
In this example, an edit is made readonly if the date is SqlNull i.e. a value has not been set.
#Edit.Readonly := #Datetime.IsSqlNull
All Component Classes
Technical Reference