Why is my bound DataGridView throwing an “Operation not valid because it results in a reentrant call to the SetCurrentCellAddressCore function” error?

Question

When binding a DataGridView control to a binding source, I\'m getting the following error in my application:

Operation is not valid becau

Answer 1

This can be caused by manipulating the datasource while the DataGridview is in BeginEdit.

Another solution is to SuspendBinding on the CurrencyManager of the DataGridView while manipulating the datasource.

CurrencyManager currencyManager = (CurrencyManager)BindingContext[dataGridView1.DataSource];
currencyManager.SuspendBinding();
// Manipulate datasource
currencyManager.ResumeBinding();