public void SetFilter(DataSchema dataSchema, PropertyDescriptor propertyDescriptor, RowFilter rowFilter)
 {
     RowFilter = rowFilter;
     SetPropertyDescriptor(dataSchema, propertyDescriptor);
     var columnFilters = rowFilter.GetColumnFilters(propertyDescriptor).ToArray();
     if (columnFilters.Length >= 1)
     {
         SetFilterOperation(comboOperation1, tbxOperand1, columnFilters[0]);
         tbxOperand1.Text = columnFilters[0].Operand;
     }
     if (columnFilters.Length >= 2)
     {
         SetFilterOperation(comboOperation2, tbxOperand2, columnFilters[1]);
     }
 }