Sets or returns the maximum number of columns to import from the data source.

<p> public int MaxColumns{ get; set; }</p>
<p>Public Property MaxColumns() As Integer</p>
 
          //--- Get MaxColumns
          int maxCols = importProps.MaxColumns;

          //--- Set MaxColumns
          importProps.MaxColumns = 20;
        
          '--- Get MaxColumns
          Dim maxCols As Integer = importProps.MaxColumns

          '--- Set MaxColumns
          importProps.MaxColumns = 20