BindingNavigator inserting issue

in my project i want to insert values to my table using bindingaNavigator

when i click the add button in bindingnavigator it will save data to one table.

in the save button click

this.Validate();
this.companymdtabBindingSource.EndEdit();
//this.companymdtabTableAdapter.Update(this.rejithDataSet.Companymdtab);
this.moditableBindingSource.EndEdit();
if (save())
{
MessageBox.Show("Record saved");
}
else
{
MessageBox.Show("Error");
}

me return the above code

for save()
me return one function

two break points i put (this.moditableBindingSource.EndEdit();)
then i can find the

moditable bindingsource current item is not loded

how can i solve
this problem( not using datagrid)
tnks

[815 byte] By [guest] at [2008-1-31]