getting error in following line "this.dgvReport.Invoke(delegate" 

> 
> *"Cannot convert anonymous method to type 'System.Delegate' because it is not a delegate type"*
> 
> 
> 

```
    public void FillProductGrid()
    {
        ProductSP productSP = new ProductSP();
        DataTable dtbl = new DataTable();
        string productname = "";
        dtbl = productSP.StockReport(productname, this.cbxPrint.Checked);
        this.dgvReport.Invoke(delegate
        {
            this.dgvReport.DataSource = dtbl;
        });
    }

```