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IDataRecord.IsDBNull(Int32) Method

  • Reference

Definition

Namespace:
System.Data
Assembly:
System.Data.Common.dll
Assembly:
System.Data.dll
Assembly:
netstandard.dll

Return whether the specified field is set to null.

public:
 bool IsDBNull(int i);
public bool IsDBNull (int i);
abstract member IsDBNull : int -> bool
Public Function IsDBNull (i As Integer) As Boolean

Parameters

i
Int32

The index of the field to find.

Returns

Boolean

true if the specified field is set to null; otherwise, false.

Exceptions

IndexOutOfRangeException

The index passed was outside the range of 0 through FieldCount.

Remarks

Call this method to see if there are null column values before calling the typed get methods (for example, GetByte, GetChar, and so on) to avoid raising an error.

Applies to