What happens when 'grid' property is undefined in modal?

I encountered an issue with my modal where I wanted to display pre-selected rows, but kept getting a 'cannot read 'grid' of undefined' error. The UI Grids are defined within the modal, and I have declared two Grid APIs with different names. Below is the code snippet:

This function launches the modal:

    //edit user group
    $scope.editSelectedGroup = function(){
        //get the selected row
        var row = $scope.gridApiInfo.selection.getSelectedRows();

        var modalInstance = $modal.open({
            animation: true,
            templateUrl: 'userGroupModal.html',
            controller: 'UserGroupModalController',
            resolve: {
                modalTitle: function () {
                    return "Edit User Group"
                },
                allDepartments: function () {
                    return $scope.allDepartments;
                },
                allRegions: function() {
                    return $scope.allRegions;
                },
                isEdit: function(){
                    return true;
                },
                row: function(){
                    return row[0];
                }
            }
        });

This is the content of the modal controller:

    .controller('UserGroupModalController',function($scope,$modalInstance,$modal,$window,modalTitle,allDepartments,allRegions,isEdit,row,referenceDataService){

    // Controller logic here

    });

Upon clicking the button to launch the modal, no modal appears - instead, a console error stating 'Cannot read property 'grid' of undefined' is thrown at the line involving $scope.deptGridApi.grid.rows.map. Any suggestions on how to resolve this issue? Thank you in advance!

After further testing, I found that fetching selected rows using deptGridApi and gridApiRegions works fine. As evidenced by the test function triggered by clicking a button in the modal:

        $scope.getDeptandRegions= function(form){
            $log.log($scope.gridApiRegions.selection.getSelectedRows());
            $log.log($scope.deptGridApi.selection.getSelectedRows())  
         };

Even though these operations also utilize the grid APIs, they log the selected rows correctly. Could it be that they are only activated after pressing a button?

Answer №1

When $scope.deptGridApi.grid.rows.map is causing an error saying 'Cannot read property 'grid' of undefined', it means that:

$scope.deptGridApi === undefined

This issue is likely occurring because the onRegisterApi function is either:
- Never called
- Called with "undefined" as a parameter

If you can provide a working code snippet, I may be able to offer more specific guidance.

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