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Ajax Editing

Getting Started

Configuration

To configure the Kendo UI Grid for JSP Ajax editing, follow the steps below (using the Spring MVC framework).

Step 1 Define a command column for the Edit and Destroy commands.

Example
       <kendo:grid name="grid">
            <kendo:grid-columns>
                <kendo:grid-column title="Product Name" field="productName" />
                <kendo:grid-column title="Unit Price" field="unitPrice" format="{0:c}" />
                <kendo:grid-column title="Units In Stock" field="unitsInStock" />
                <kendo:grid-column title="Discontinued" field="discontinued" />
                <kendo:grid-column title="&nbsp;">
                    <kendo:grid-column-command>
                        <kendo:grid-column-commandItem name="edit" />
                        <kendo:grid-column-commandItem name="destroy" />
                    </kendo:grid-column-command>
                </kendo:grid-column>
            </kendo:grid-columns>
        </kendo:grid>

Step 2 Set the editing mode to InLine.

Example
    <kendo:grid name="grid">
        <kendo:grid-editable mode="inline"/>
        <kendo:grid-columns>
            <kendo:grid-column title="Product Name" field="productName" />
            <kendo:grid-column title="Unit Price" field="unitPrice" format="{0:c}" />
            <kendo:grid-column title="Units In Stock" field="unitsInStock" />
            <kendo:grid-column title="Discontinued" field="discontinued" />
            <kendo:grid-column title="&nbsp;">
                <kendo:grid-column-command>
                    <kendo:grid-column-commandItem name="edit" />
                    <kendo:grid-column-commandItem name="destroy" />
                </kendo:grid-column-command>
            </kendo:grid-column>
        </kendo:grid-columns>
    </kendo:grid>

Step 3 Add the Create command to the Grid toolbar.

Example
    <kendo:grid name="grid">
        <kendo:grid-toolbar>
            <kendo:grid-toolbarItem name="create"/>
        </kendo:grid-toolbar>
        <kendo:grid-editable mode="inline"/>
        <kendo:grid-columns>
            <kendo:grid-column title="Product Name" field="productName" />
            <kendo:grid-column title="Unit Price" field="unitPrice" format="{0:c}" />
            <kendo:grid-column title="Units In Stock" field="unitsInStock" />
            <kendo:grid-column title="Discontinued" field="discontinued" />
            <kendo:grid-column title="&nbsp;">
                <kendo:grid-column-command>
                    <kendo:grid-column-commandItem name="edit" />
                    <kendo:grid-column-commandItem name="destroy" />
                </kendo:grid-column-command>
            </kendo:grid-column>
        </kendo:grid-columns>
    </kendo:grid>

Step 4 Specify the parameterMap and the action methods which will handle the Create, Update, and Destroy operations.

Example
    <kendo:grid name="grid">
        <kendo:grid-toolbar>
            <kendo:grid-toolbarItem name="create"/>
        </kendo:grid-toolbar>
        <kendo:grid-editable mode="inline"/>
        <kendo:grid-columns>
            <kendo:grid-column title="Product Name" field="productName" />
            <kendo:grid-column title="Unit Price" field="unitPrice" format="{0:c}" />
            <kendo:grid-column title="Units In Stock" field="unitsInStock" />
            <kendo:grid-column title="Discontinued" field="discontinued" />
            <kendo:grid-column title="&nbsp;">
                <kendo:grid-column-command>
                    <kendo:grid-column-commandItem name="edit" />
                    <kendo:grid-column-commandItem name="destroy" />
                </kendo:grid-column-command>
            </kendo:grid-column>
        </kendo:grid-columns>
        <kendo:dataSource pageSize="10">
            <kendo:dataSource-transport>
                <kendo:dataSource-transport-create url="${createUrl}" dataType="json" type="POST" contentType="application/json" />
                <kendo:dataSource-transport-read url="${readUrl}" dataType="json" type="POST" contentType="application/json"/>
                <kendo:dataSource-transport-update url="${updateUrl}" dataType="json" type="POST" contentType="application/json" />
                <kendo:dataSource-transport-destroy url="${destroyUrl}" dataType="json" type="POST" contentType="application/json" />
                <kendo:dataSource-transport-parameterMap>
                    <script>
                        function parameterMap(options,type) {                           
                            return JSON.stringify(options);                         
                        }
                    </script>
                </kendo:dataSource-transport-parameterMap>
            </kendo:dataSource-transport>
        </kendo:dataSource>
    </kendo:grid>

Step 5 Specify the properties of the model as well as the unique identifier (primary key).

Example
    <kendo:grid name="grid">
        <kendo:grid-toolbar>
            <kendo:grid-toolbarItem name="create"/>
        </kendo:grid-toolbar>
        <kendo:grid-editable mode="inline"/>
        <kendo:grid-columns>
            <kendo:grid-column title="Product Name" field="productName" />
            <kendo:grid-column title="Unit Price" field="unitPrice" format="{0:c}" />
            <kendo:grid-column title="Units In Stock" field="unitsInStock" />
            <kendo:grid-column title="Discontinued" field="discontinued" />
            <kendo:grid-column title="&nbsp;">
                <kendo:grid-column-command>
                    <kendo:grid-column-commandItem name="edit" />
                    <kendo:grid-column-commandItem name="destroy" />
                </kendo:grid-column-command>
            </kendo:grid-column>
        </kendo:grid-columns>
        <kendo:dataSource pageSize="10">
            <kendo:dataSource-transport>
                <kendo:dataSource-transport-create url="${createUrl}" dataType="json" type="POST" contentType="application/json" />
                <kendo:dataSource-transport-read url="${readUrl}" dataType="json" type="POST" contentType="application/json"/>
                <kendo:dataSource-transport-update url="${updateUrl}" dataType="json" type="POST" contentType="application/json" />
                <kendo:dataSource-transport-destroy url="${destroyUrl}" dataType="json" type="POST" contentType="application/json" />
            </kendo:dataSource-transport>
            <kendo:dataSource-schema>
                <kendo:dataSource-schema-model id="productId">
                    <kendo:dataSource-schema-model-fields>
                        <kendo:dataSource-schema-model-field name="productName" type="string">
                            <kendo:dataSource-schema-model-field-validation required="true" />
                        </kendo:dataSource-schema-model-field>
                        <kendo:dataSource-schema-model-field name="unitPrice" type="number">
                            <kendo:dataSource-schema-model-field-validation required="true" min="1" />
                        </kendo:dataSource-schema-model-field>
                        <kendo:dataSource-schema-model-field name="unitsInStock" type="number">
                            <kendo:dataSource-schema-model-field-validation required="true" min="0" />
                        </kendo:dataSource-schema-model-field>
                        <kendo:dataSource-schema-model-field name="discontinued" type="boolean" />
                    </kendo:dataSource-schema-model-fields>
                </kendo:dataSource-schema-model>
            </kendo:dataSource-schema>
        </kendo:dataSource>
    </kendo:grid>

Step 6 Implement the Read action method.

Example
    @Autowired
    private ProductDao product;

    @RequestMapping(value = "/editing-inline/read", method = RequestMethod.POST)
    public @ResponseBody List<Product> read() {
        return product.getList();
    }

Step 7 Implement the Create action method.

Example
    @RequestMapping(value = "/editing-inline/create", method = RequestMethod.POST)
    public @ResponseBody Product create(@RequestBody Map<String, Object> model) {
        Product target = new Product();

        target.setProductName((String)model.get("productName"));
        target.setUnitPrice(Double.parseDouble(model.get("unitPrice").toString()));
        target.setUnitsInStock((int)model.get("unitsInStock"));
        target.setDiscontinued((boolean)model.get("discontinued"));

        product.saveOrUpdate(target);

        return target;
    }

Step 8 Implement the Update action method.

Example
    @RequestMapping(value = "/editing-inline/update", method = RequestMethod.POST)
    public @ResponseBody Product update(@RequestBody Map<String, Object> model) {
        Product target = new Product();

        target.setProductId((int)model.get("productId"));
        target.setProductName((String)model.get("productName"));
        target.setUnitPrice(Double.parseDouble(model.get("unitPrice").toString()));
        target.setUnitsInStock((int)model.get("unitsInStock"));
        target.setDiscontinued((boolean)model.get("discontinued"));
        target.setCategoryId((int)model.get("categoryId"));

        product.saveOrUpdate(target);

        return target;
    }

Step 9 Implement the Destroy action method.

Example
    @RequestMapping(value = "/editing-inline/destroy", method = RequestMethod.POST)
    public @ResponseBody Product destroy(@RequestBody Map<String, Object> model) {
        Product target = new Product();

        target.setProductId((int)model.get("productId"));

        product.delete(target);

        return target;
    }

See Also

Other articles on Telerik UI for JSP and on the Grid:

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