Why ItemContainerGenerator.ContainerFromIndex() returns null and how to avoid this behavior?

Question

I\'m using this snippet to analyze the rows I\'ve selected on a datagrid.

for (int i = 0; i < dgDetalle.Items.Count; i++)
{
    DataGridRow row = (DataGri         


        

Answer 1

Try this,

DataGridRow row = (DataGridRow)grid.ItemContainerGenerator.ContainerFromIndex(index);
        if (row == null)
        {
                          grid.UpdateLayout();
            grid.ScrollIntoView(grid.Items[index]);
            row = (DataGridRow)grid.ItemContainerGenerator.ContainerFromIndex(index);
        }