klangelyc的学习备忘录

String projectfliter=null; private void toolStripComboBox2_DropDownClosed(object sender, EventArgs e) { projectfliter = toolStripComboBox2.SelectedItem.ToString(); DataSet da = new DataSet(

Using Microsoft.Office.Interop.Excel; //需要在引用里加入dll     private void toolStripMenuItem9_Click(object sender, EventArgs e) { Microsoft.Office.Interop.Excel.Application excel = new Microso