IDataRecord.IsDBNull(Int32) Method

Definition

Return whether the specified field is set to null.

public bool IsDBNull (int i);

Parameters

i
Int32

The index of the field to find.

Returns

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

Exceptions

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

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1