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Get Selected Row Values From Kendo Grid On Change Event

I will use the following REST service to explain how to get selected row values from kendo grid on change event REST service end point: api/productsapi.

Please refer my previous article Export grid data to excel in advance Kendo UI using MVC WEB API and Entity Framework to get an idea about how to create an ASP. NET WEB API Service.

The api/productsapi service response in POSTMAN as in the following figure 1,

  

Now it’s time to consume the REST service in the Kendo UI.

Using a Kendo Grid with remote binding

Create an HMTL page in your project, in my case I named it KendoGrid.html. 

  1. <!DOCTYPE html>  
  2. <html xmlns="http://www.w3.org/1999/xhtml">  
  3. <head>  
  4.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.common.min.css" />  
  5.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.default.min.css" />  
  6.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.dataviz.min.css" />  
  7.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.dataviz.default.min.css" />  
  8.     <script src="http://cdn.kendostatic.com/2014.3.1316/js/jquery.min.js"></script>  
  9.     <script src="http://cdn.kendostatic.com/2014.3.1316/js/kendo.all.min.js"></script>  
  10.     <script src="http://cdn.kendostatic.com/2014.3.1029/js/jszip.min.js"></script>  
  11.     <title></title>  
  12. </head>  
  13. <body>  
  14.     <div class="container" id="example">  
  15.         <div class="row">  
  16.   
  17.             <div id="test-grid" data-role="grid"  
  18.                  data-scrollable="true"  
  19.                  data-editable="false"  
  20.                  data-selectable="true"  
  21.                  data-columns="[  
  22.   
  23.                        { 'field': 'ProductName','width':'100px' },  
  24.                     { 'field': ' UnitPrice','width':'100px'},  
  25.                  ]"  
  26.                  data-pageable='true'  
  27.                  data-bind="source:products"  
  28.                  style="height: 300px"></div>  
  29.   
  30.         </div>  
  31.         </div>  
  32. </body>
    </html>
JavaScript with MVVM Model 
  1. $(document).ready(function(){  
  2.   var viewModel = kendo.observable({  
  3.       isVisible: true,  
  4.     
  5.   products: new kendo.data.DataSource({  
  6.           schema: {  
  7.               model: {  
  8.                   id: "ProductID",  
  9.                   fields: {  
  10.                       ProductName: { type: "string" },  
  11.                       UnitPrice: { type: "string" }  
  12.                   }  
  13.               }  
  14.           },  
  15.           batch: true,  
  16.           pageSize: 5,  
  17.   
  18.           transport: {  
  19.               read: {  
  20.                   url: "api/Productsapi",  
  21.                   dataType: "json"  
  22.               },  
  23.               parameterMap: function (options, operation) {  
  24.                   if (operation !== "read" && options.models) {  
  25.                       return { models: kendo.stringify(options.models) };  
  26.                   }  
  27.               }  
  28.           }  
  29.       })  
  30.   
  31.   });  
  32.   kendo.bind($("#example"), viewModel);  
  33.   
  34.     
  35.       })  

Result in browser

   
Now we are going to see how to fetch the selected row details from above grid. To perform this first we need to enable data-selectable property and add the change event in kendo grid as in the following code,

  1. <div class="container" id="example">  
  2.         <div class="row">  
  3.   
  4.             <div id="test-grid" data-role="grid"  
  5.                  data-scrollable="true"  
  6.                  data-editable="false"  
  7.                  data-selectable="true"  
  8.                  data-columns="[  
  9.   
  10.                        { 'field': 'ProductName','width':'100px' },  
  11.                     { 'field': ' UnitPrice','width':'100px'},  
  12.                  ]"  
  13.                  data-pageable='true'  
  14.                  data-bind="source:products, events:{change:onchange}"  
  15.                  style="height: 300px"></div>  
  16.   
  17.         </div>  
  18. </div>  
The Change event function script as in the following code,

  1. onchange:function(e)  
  2.       {  
  3.           this.set("selectedRow", e.sender.dataItem(e.sender.select()));                      
  4.       },  

From the above code you can observe that selected data Item in the grid will be set to selectedRow object, Now it’s time to design the form to bind the selected row values from kendo Grid.

The Form Design

  1. div class="form-group" id="TestProduct">  
  2.                 <div class="col-lg-8">  
  3.    
  4.   
  5.   
  6.                     <div class="form-inline k-alt">  
  7.                         <h4 style=>Product Details </h4>  
  8.                     </div>  
  9.                     <div class="form-inline">  
  10.                         <span class="editPageLabel">Product ID:</span>  
  11.                         <span style="color:green" data-bind="text: selectedRow.ProductID"></span>  
  12.                           
  13.                     </div>  
  14.                     <div class="form-inline">  
  15.                         <span class="editPageLabel">Product Name:</span>  
  16.                         <span style="color:green" data-bind="text: selectedRow.ProductName"></span>  
  17.                           
  18.                     </div>  
  19.                     <div class="form-inline">  
  20.                         <span class="editPageLabel">Unit price:</span>  
  21.                         <span style="color:green" data-bind="text: selectedRow.UnitPrice"></span>  
  22.                           
  23.                     </div>  
  24.                     
  25.                 </div>  
  26.                 </div>  
Overall HTML Design 
  1. <!DOCTYPE html>  
  2. <html xmlns="http://www.w3.org/1999/xhtml">  
  3. <head>  
  4.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.common.min.css" />  
  5.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.default.min.css" />  
  6.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.dataviz.min.css" />  
  7.     <link rel="stylesheet" href="http://cdn.kendostatic.com/2014.3.1316/styles/kendo.dataviz.default.min.css" />  
  8.     <script src="http://cdn.kendostatic.com/2014.3.1316/js/jquery.min.js"></script>  
  9.     <script src="http://cdn.kendostatic.com/2014.3.1316/js/kendo.all.min.js"></script>  
  10.     <script src="http://cdn.kendostatic.com/2014.3.1029/js/jszip.min.js"></script>  
  11.     <title></title>  
  12. </head>  
  13. <body>  
  14.     <div class="container" id="example">  
  15.         <div class="row">  
  16.   
  17.             <div id="test-grid" data-role="grid"  
  18.                  data-scrollable="true"  
  19.                  data-editable="false"  
  20.                  data-selectable="true"  
  21.                  data-columns="[  
  22.   
  23.                        { 'field': 'ProductName','width':'100px' },  
  24.                     { 'field': ' UnitPrice','width':'100px'},  
  25.                  ]"  
  26.                  data-pageable='true'  
  27.                  data-bind="source:products, events:{change:onchange}"  
  28.                  style="height: 300px"></div>  
  29.   
  30.         </div>  
  31.   
  32.           
  33.   
  34.          
  35.             <div class="form-group" id="TestProduct">  
  36.                 <div class="col-lg-8">  
  37.    
  38.   
  39.   
  40.                     <div class="form-inline k-alt">  
  41.                         <h4 style=>Product Details </h4>  
  42.                     </div>  
  43.                     <div class="form-inline">  
  44.                         <span class="editPageLabel">Product ID:</span>  
  45.                         <span style="color:green" data-bind="text: selectedRow.ProductID"></span>  
  46.                           
  47.                     </div>  
  48.                     <div class="form-inline">  
  49.                         <span class="editPageLabel">Product Name:</span>  
  50.                         <span style="color:green" data-bind="text: selectedRow.ProductName"></span>  
  51.                           
  52.                     </div>  
  53.                     <div class="form-inline">  
  54.                         <span class="editPageLabel">Unit price:</span>  
  55.                         <span style="color:green" data-bind="text: selectedRow.UnitPrice"></span>  
  56.                           
  57.                     </div>  
  58.                     
  59.                 </div>  
  60.                 </div>  
  61.        
  62.   
  63.   
  64.     </div>  
  65. </body>  
  66. </html>  
JavaScript with MVVM pattern
  1. $(document).ready(function(){  
  2.    var viewModel = kendo.observable({  
  3.        isVisible: true,  
  4.   
  5.        onchange:function(e)  
  6.        {  
  7.            this.set("selectedRow", e.sender.dataItem(e.sender.select()));  
  8.   
  9.        },  
  10.        products: new kendo.data.DataSource({  
  11.            schema: {  
  12.                model: {  
  13.                    id: "ProductID",  
  14.                    fields: {  
  15.                        ProductName: { type: "string" },  
  16.                        UnitPrice: { type: "string" }  
  17.                    }  
  18.                }  
  19.            },  
  20.            batch: true,  
  21.            pageSize: 5,  
  22.   
  23.            transport: {  
  24.                read: {  
  25.                    url: "api/Productsapi",  
  26.                    dataType: "json"  
  27.                },  
  28.                parameterMap: function (options, operation) {  
  29.                    if (operation !== "read" && options.models) {  
  30.                        return { models: kendo.stringify(options.models) };  
  31.                    }  
  32.                }  
  33.            }  
  34.        })  
  35.   
  36.    });  
  37.    kendo.bind($("#example"), viewModel);  
  38.   
  39.      
  40.        })  
Result in Browser
 
 
Hope you have enjoyed this article.

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