MSFlexgrid

In your project's solution explorer:

1. Right-click on References 
2. Select Add Reference 
3. Select the COM tab 
4. Scroll down to and select Microsoft FlexGrid Control, click OK 

In your Toolbox: 

1. Right-click anywhere & select Choose Items... 
2. Select the Comm Components tab
3. Check the checkbox next to Microsoft FlexGrid Control, click OK 

You can now use it like any other control in your project, find it in the General section of your Toolbox.