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SqlCeDataReader.IsDBNull Method

Visual Studio 2010

Other Versions

Gets a value indicating whether the column contains nonexistent or missing values.

Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in System.Data.SqlServerCe.dll)

Syntax

C++

JScript

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[SecurityCriticalAttribute]
[SecurityTreatAsSafeAttribute]
public override bool IsDBNull(
	int ordinal
)

Parameters

ordinal: Type: System.Int32
The zero-based column ordinal.

Return Value

Type: System.Boolean
true if the specified column value is equivalent to DBNull; otherwise, false.

Implements

IDataRecord.IsDBNull(Int32)

Remarks

Call this method to check for null column values before calling the typed get methods (for example, GetByte, GetGuid, and so on) to avoid raising an error.

Reference

SqlCeDataReader Class

System.Data.SqlServerCe Namespace

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