I have this application for a data base application in C#, i need to delete the binding navigator toolbar along with event handler for the click event of the save button. and comment out the code in the load event handler for the forms that fills the customer tables. Also i need to delete the load event handler for the Fillsbycustomerid in the datagrid view for the invoice. And also to add a error handling code for the form. here is the code i am working with. http://pastebin.com/MhQXTsgW