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RAD Studio VCL Reference
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TDBXValue.IsNull Method
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RAD Studio VCL Reference
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Returns true if the value is null.
function IsNull: Boolean; virtual; abstract;
virtual __fastcall Boolean IsNull() = 0;
Returns true if the value is null. This method should be called before calling any of the Get methods. If the value is null, the Get methods will throw a TDBXError exception if they are called.
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Copyright(C) 2009 Embarcadero Technologies, Inc. All Rights Reserved.
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Description