Client code	

display.getTextItem().addChangedHandler(new ChangedHandler() {

			@Override
			public void onChanged(ChangedEvent event) {

				String input = (String) event.getValue();
				GWT.log("Value is" + input);
				display.getProjectDetailsGrid().getDataSource().setClientOnly(true);
				//display.getProjectDetailsGrid().invalidateCache();

			AdvancedCriteria criteria = new AdvancedCriteria(OperatorId.CONTAINS,
						new Criterion[] { new Criterion(DataSourceConstant.PROJECT_CODE, OperatorId.CONTAINS, input)});
				display.getProjectDetailsGrid().filterData(criteria);

			};
		});
	}



 final DataSource datasource = DataSource.getDataSource(projectList);
        final ListGrid listGrid = new ListGrid();
        listGrid.setID(IDsConstant.PROJECT_DETAIL_GRID);
        listGrid.setStyleName("cowListGrid");
        listGrid.setDataFetchMode(FetchMode.BASIC);
        listGrid.setSelectionType(SelectionStyle.MULTIPLE);
        listGrid.setSelectionAppearance(SelectionAppearance.CHECKBOX);
        listGrid.setDataSource(datasource);
        listGrid.setFields(getProjectListGridFields());	
        return listGrid;





Projects.ds.xml
<DataSource ID="Projects" beanClassName="com.assaabloy.cow.shared.dto.ProjectGridDto"
	serverType="hibernate" configBean="cowSessionFactory" lookupStyle="spring"
	beanFactory="org.springframework.beans.factory.BeanFactory"
	autoDeriveSchema="false" xmlns:fmt="WEB-INF/">
	<fields>
		<field name="projectId" type="int" primaryKey="true" />
		<field name="projectCode" type="text" required="true" />
		<field name="projectDesc" type="text" required="true" />
		<field name="ppof" type="boolean" />
		
	</fields>
	<operationBindings>
		<binding operationType="fetch">
			<customSQL>
				SELECT p.PROJECT_ID as projectId, p.PROJECTCODE as
				projectCode, p.PROJECTDESCRIPTION as projectDesc,p.PPOF as ppof FROM PROJECTS p
				WHERE
				p.COMPANY_ID= $values.companyId and p.del=0
			</customSQL>
		</binding>




{
    dataSource:"Projects", 
    operationType:"fetch", 
    componentId:"project_detail_grid", 
    data:{
        operator:"contains", 
        criteria:[
            {
                fieldName:"projectCode", 
                operator:"contains", 
                value:"D"
            }
        ]
    }, 
    textMatchStyle:"substring", 
    resultSet:[ResultSet ID:isc_ResultSet_0 (dataSource: Projects, created by: project_detail_grid)], 
    callback:{
        caller:[ResultSet ID:isc_ResultSet_0 (dataSource: Projects, created by: project_detail_grid)], 
        methodName:"fetchRemoteDataReply"
    }, 
    willHandleError:true, 
    showPrompt:true, 
    prompt:"Finding Records that match your criteria...", 
    oldValues:{
        operator:"contains", 
        criteria:[
            {
                fieldName:"projectCode", 
                operator:"contains", 
                value:"D"
            }
        ]
    }, 
    requestId:"Projects$6271", 
    internalClientContext:{
        requestIndex:2
    }, 
    fallbackToEval:false, 
    dataFetchMode:"basic", 
    lastClientEventThreadCode:"INP6", 
    bypassCache:true, 
    dataProtocol:"getParams"
}



{
    affectedRows:0, 
    data:"could not extract ResultSet", 
    invalidateCache:false, 
    isDSResponse:true, 
    queueStatus:-1, 
    status:-1
}