ToNullableString()

<Extension()> _
Public Function ToNullableString(Of T As Structure)(ByVal param As Nullable(Of T)) As String
	If (Not param.HasValue) Then
            Return String.Empty
        Else
            Return param.Value.ToString
        End If
End Function
Example:
Dim value as System.Nullable(Of Byte) = GetValueFromDatabase()

Textbox1.Text = value.ToNullableString()

' GetValueFromDatabase is simulating retrieving a System.Nullable(Of Byte) value from the database. 

Description

Calling Value.ToString on a Nullable(Of T) type where the value is null will result in an "Nullable object must have a value." exception being thrown. This extension method can be used in place of .ToString to prevent this exception from occurring.

Details

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