I want to create sales invoice in radgridview. when user start entry in item name which is combobox in radgridview which data (item name and qty) will come from item master user enter qty total should be calculated automatically at the same time grand total should shown radgridview footer.
when user press save button all entries in radgridview should save database. I need after which event footer will be updated. or if i remove radgridview row radgridview footer should be updated.