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Dynamic Table - containing sap.m.Select - bind data


I have a dynamic table I am building using JS. One of the columns is based on the sap.m.Select object.

For this column I am able to bind it to a JSON array to define the available options. The issue I have is how to bind the sap.m.Select to the overall table binding, so that I can get the chosen option.

The JSON array is defined as

var trafficLights = {
    "options": [
            "Key": "",
            "Value": "Please Select..."
            "Key": "Red",
            "Value": "Red"

Below is the code to define the sap.m.Select column

var selectField=new sap.m.Select(id);
var oModel = new sap.ui.model.json.JSONModel();
var itemTemplate = new sap.ui.core.ListItem();
itemTemplate.bindProperty('key', 'Key');
itemTemplate.bindProperty('text', 'Value');
selectField.bindItems('/', itemTemplate);

I then add this object to the table via

var oColumn = new sap.ui.table.Column({
    label: new sap.ui.commons.Label({
         text: jsonObject.tableDefinition[i].columnHeader,                                }),                                
    template: selectField,                            

Initially the table is empty, so upon adding a new row, I "push" a JSON object to an array and then bind that array to the table, thus adding a blank row to the table.

Upon clicking an accept button, I need to get the content of the table back into my JSON object. I use the following to get the table content: -


This the result does not contain what drop down value was chosen.



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3 Answers

  • Best Answer
    Posted on Dec 07, 2015 at 10:57 AM

    sap.ui.getCore().byId("dynamicDataTable").getModel().getData() - This is where you can use the table selection and you should make sure that you follow 'Select' class model.

    Will this help? JS Bin - Collaborative JavaScript Debugging


    Karthik A

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  • Posted on Dec 07, 2015 at 11:18 AM

    Hi Martin,

    Will this sample help? Plunker

    Also, please don't mix up mobile and desktop controls. I see you are using, instead you can use sap.ui.commons.DropdownBox

    API - JsDoc Report - SAP UI development Toolkit for HTML5 - API Reference - sap.ui.commons.DropdownBox


    Sai Vellanki.

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    • Former Member

      Hi Sai,

      Thanks for the example. I have tried to replicate as much as your logic as I can. I am able to get the dropdown onto the dynamic column. However, I cannot choose an option. It always shows the "Please Select..." option.

      I now have the following code defined

      var oItemTemplate = new sap.ui.core.ListItem({
          text: "{Value}",
                key: "{Key}"
      var selectField= new sap.ui.commons.DropdownBox().bindProperty("value", columnName).bindItems("/", oItemTemplate);
      var oModel = new sap.ui.model.json.JSONModel();

      I suspect this is because I am setting the model against the selectField variable. If I define how you specified it in the example, then I do not get anything in the dropdown box.

         var model = new sap.ui.model.json.JSONModel(); 

      So the issue I am having now may be more related to not understanding how binding works.

      This UI5 application has many other controls so it is not just this dynamic table that I am dealing with within the app.

      Amy further help is much appreciated.



  • Posted on Dec 07, 2015 at 08:32 PM

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