private void 日本送签时间表ToolStripMenuItem_Click(object sender, EventArgs e) { if (dataGridView1.SelectedRows.Count < 1) { return; } List <Model.Visa> list = new List <Visa>(); for (int i = 0; i < dataGridView1.SelectedRows.Count; i++) { list.Add((dataGridView1.DataSource as List <Model.Visa>)[dataGridView1.SelectedRows[i].Index]); } ExcelGenerator.GetAllCountExcel(list); }