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System.Data.SqlServerCe Namespace
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SqlCeResultSet.IsDBNull Method

Visual Studio 2010

Determines if the field at the specified ordinal position is null.

Namespace:  System.Data.SqlServerCe
Assembly:  System.Data.SqlServerCe (in System.Data.SqlServerCe.dll)
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public override bool IsDBNull(
	int ordinal
)

Parameters

ordinal
Type: System.Int32
The ordinal position of the column from which to retrieve the value.

Return Value

Type: System.Boolean
True if the specified field is null; otherwise, false.

Implements

IDataRecord.IsDBNull(Int32)

Returns true only if the corresponding value is equivalent to DBNull or if the object implements IsNullable and IsNull returns true.

Returns false in any other case, including null references and empty strings.

An IndexOutOfRangeException is thrown if no field exists at the specified index.

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