title: How to upgrade/refresh the ag-grid after row delete?
body: <p>I have an ag grid where i am trying to delete a row...I am able to remove the row from data source using "splice" technique,after that i want to refresh the table.But it is showing error.This is the code which i am using to delete a row</p>
  
  <pre><code>selectedvalue={} //this holds the selected row value
  rowData=[]; //this holds all the row data
  onRowSelected(event) {
    this.selectedvalue = event;
   }
  deletebtn() {
      for (let i = 0; i &lt; this.rowData.length; i++) {
          if (this.selectedvalue.node.data.make === this.rowData[i].make) {
              this.rowData.splice(i, 1);
              this.gridOptions.api.refreshView();
          }
      }
  }
  </code></pre>
  
  <p>It is showing erroe something like this-->  Cannot read property 'refreshView' of undefined...How can watch the changes made in table after row delete.</p>