DataRow.IsNull Method

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Abakada DHTML Properties Reference: map Property
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Abakada DHTML Properties Reference: text Property
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Abakada DHTML Properties Reference: value Property
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Show Me

Tuesday, June 3, 2025

System.Data Namespace DataRow Class

Checks whether the specified column contains a null value.

1. Returns a value indicating whether the specified DataColumn contains a null value.

[ VB ] Overloads Public Function IsNull ( DataColumn ) As Boolean

[ C# ] public bool IsNull ( DataColumn );

[ C++ ] public: bool IsNull ( DataColumn* );

[ JScript ] public function IsNull ( DataColumn ) : Boolean;

2. Returns a value indicating whether the column at the specified index contains a null value.

[ VB ] Overloads Public Function IsNull ( Integer ) As Boolean

[ C# ] public bool IsNull ( int );

[ C++ ] public: bool IsNull ( int );

[ JScript ] public function IsNull ( int ) : Boolean;

3. Returns a value indicating whether the named column contains a null value.

[ VB ] Overloads Public Function IsNull ( String ) As Boolean

[ C# ] public bool IsNull ( string );

[ C++ ] public: bool IsNull ( String* );

[ JScript ] public function IsNull ( String ) : Boolean;

4. Returns a value indicating whether the specified DataColumn and DataRowVersion contains a null value.

[ VB ] Overloads Public Function IsNull ( DataColumn, DataRowVersion ) As Boolean

[ C# ] public bool IsNull ( DataColumn, DataRowVersion );

[ C++ ] public: bool IsNull ( DataColumn*, DataRowVersion );

[ JScript ] public function IsNull ( DataColumn, DataRowVersion ) : Boolean;

DataRow Members

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