private void 模拟读表ToolStripMenuItem_Click(object sender, EventArgs e) { if (this.dataGridView1.SelectedRows.Count == 1) { FrmRead frm = new FrmRead(); frm.StartPosition = FormStartPosition.CenterParent; frm.Device = this.dataGridView1.SelectedRows[0].Tag as Device; if (frm.ShowDialog() == DialogResult.OK) { var d = new DeviceBLL(AppSettings.Current.ConnStr).GetByID(frm.Device.ID).QueryObject; ShowItemInGridViewRow(dataGridView1.SelectedRows[0], d); } } }