BindingManagerBase是对Windows 窗体上绑定到相同数据源的数据绑定控件进行同步的
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DataSet ds = DataRepository.UsersProvider.GetAll().ToDataSet(true);
BindingSource bs = new BindingSource();
bs.DataSource = ds.Tables[0];
bindingNavigator1.BindingSource = bs;
dataGridView1.DataSource = bs;
textBox1.DataBindings.Add("Text", bs, ds.Tables[0].Columns[0].ColumnName);
textBox2.DataBindings.Add("Text",bs, ds.Tables[0].Columns[1].ColumnName);