I am working with Adodc control and i am using a datagrid .I also installed service Pack 3 on my system.The problem that i am facing is I have a database table and it has some columns out of which some columns does not allow nulls.The problem is when i insert a particular null value in to a not null clumn with the help o datagrid I get an error.After this error occurs I want to sdisplay a custom message and i want to clear all the fields in that particular row.I am unable to do so.More over When the form is unloading an error message is displayed.I dont want this error message to come.How can I do so.Can any one help me out.Very urgent please?