Returns True if the argument represents a null value (DBNull).
            
            
            シンタックス
            
            
            
            
            '宣言
 
Public Function IsTextDbNull( _
   ByVal  As System.String, _
   ByVal  As System.Globalization.CultureInfo _
) As System.Boolean
             
        
            
            public System.bool IsTextDbNull( 
   System.string ,
   System.Globalization.CultureInfo 
)
             
        
             
        
            パラメータ
- text
 
- The string to parse.
 - culture
 
- Culture used in parsing.
 
            
             
            
            
            
            
            
            
            
            
            
            
            
            参照