Smartsite Documentatie > SXML > Examples > Viper Examples > This > This Field.Exists Example
Smartsite SXML CopyCode image Copy Code 
<se:sqlquery sql="select nr, title from vwActive where nr=2">
    <se:parameters>
        <se:parameter name="format">
            <se:rowformat whitespace="simpleformat">
                Nr={this.field(Nr)}
                {this.field.exists(Nr)}
                {this.field.exists(Title)}
                {this.field.exists(Foo)}
            </se:rowformat>
        </se:parameter>
    </se:parameters>
</se:sqlquery>
Example Result CopyCode image Copy Code 
Nr=2
true
true
false
SXML