IsNull Function

αž–αž·αžŸαŸ„αž’αž“αŸβ€‹αž”αŸ’αžšαžŸαž·αž“β€‹αž”αžΎβ€‹αžœαŸ‰αžΆαžšαŸ’αž™αž„αŸ‹β€‹β€‹αž˜αž½αž™β€‹αž˜αžΆαž“β€‹αžαž˜αŸ’αž›αŸƒ αž‚αŸ’αž˜αžΆαž“β€‹αžŸαŸ„αŸ‡ β€‹αž–αž·αžŸαŸαžŸ αž”αž‰αŸ’αž‡αžΆαž€αŸ‹β€‹αžαžΆβ€‹αž’αžαŸαžšβ€‹αž˜αž·αž“β€‹αž˜αžΆαž“β€‹αž‘αž·αž“αŸ’αž“αž“αŸαž™Β αŸ”

αžœαžΆαž€αŸ’αž™β€‹αžŸαž˜αŸ’αž–αž“αŸ’αž’ αŸ–


IsNull (Var)

αžαž˜αŸ’αž›αŸƒβ€‹αžαŸ’αžšαž‘αž”αŸ‹ αŸ–

αž”αŸŠαžΌαž›

αž”αŸ‰αžΆαžšαŸ‰αžΆαž˜αŸ‰αŸ‚αžαŸ’αžš αŸ–

Var αŸ– αž’αžαŸαžšβ€‹αžŽαžΆβ€‹αž˜αž½αž™β€‹αžŠαŸ‚αž›β€‹αž’αŸ’αž“αž€β€‹αž…αž„αŸ‹β€‹αž–αž·αžŸαŸ„αž’αž“αŸΒ αŸ” αž’αž“αž»αž‚αž˜αž“αŸβ€‹αž“αŸαŸ‡β€‹αžαŸ’αžšαž‘αž”αŸ‹ True αž”αŸ’αžšαžŸαž·αž“β€‹αž”αžΎβ€‹αžœαŸ‰αžΆαžšαŸ’αž™αž„αŸ‹β€‹β€‹αž˜αžΆαž“β€‹αžαž˜αŸ’αž›αŸƒ "αž‚αŸ’αž˜αžΆαž“β€‹αžŸαŸ„αŸ‡" ឬ False αž”αžΎβ€‹αžœαŸ‰αžΆαžšαŸ’αž™αž„αŸ‹β€‹ αž‚αŸ’αž˜αžΆαž“β€‹β€‹αžαž˜αŸ’αž›αŸƒ "αž‚αŸ’αž˜αžΆαž“β€‹αžŸαŸ„αŸ‡"Β αŸ”

Null - αžαž˜αŸ’αž›αŸƒβ€‹αž“αŸαŸ‡β€‹αžαŸ’αžšαžΌαžœβ€‹αž”αžΆαž“β€‹αž”αŸ’αžšαžΎβ€‹αžŸαž˜αŸ’αžšαžΆαž”αŸ‹β€‹αž”αŸ’αžšαž—αŸαž‘β€‹αžšαž„β€‹αž‘αž·αž“αŸ’αž“αž“αŸαž™β€‹αžœαŸ‰αžΆαžšαŸ’αž™αŸ‰αž„αŸ‹β€‹αžŠαŸ‚αž›β€‹αž‚αŸ’αž˜αžΆαž“β€‹αž˜αžΆαžαž·αž€αžΆβ€‹αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœΒ αŸ”

Error codes:

5 αž€αžΆαžšβ€‹αž αŸ…β€‹αž”αŸ‚αž”αž”αž‘β€‹αž˜αž·αž“β€‹αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ

αž§αž‘αžΆαž αžšαžŽαŸ αŸ–


Sub ExampleIsNull
Dim vVar As Variant
    MsgBox IsNull(vVar)
End Sub

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