VB创建EXCLE表。添加sheet添加数据 保存EXCEL

private void ExceToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Excel.Application ex = new Excel.Application();
            ex.Application.Workbooks.Add(Missing.Value);

            for (int m = 0; m < 100; m++)
            {
                Redata.Row = m;
                for (int n = 0; n < 3; n++)
                {
                    Redata.Col = n;
                    ex.Cells[m + 1, n + 1] = Redata.Text;
                }
                Redata.Row = m + 1;
                Redata.Col = 0;

                if (Redata.Text == string.Empty)
                                          break;
            }
                ex.Visible = false;
                ex.DisplayAlerts = false;
                try
                {
                    ex.Save("unuse");
                }
                catch (Exception)
                {
                  
                }
                finally
                {
                    ex.Application.Workbooks.Close();
                    ex.Application.Quit();
                    ex.Quit();
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(ex);
                  
                     GC.Collect();
                    System.Diagnostics.Process[] killprocess = System.Diagnostics.Process.GetProcessesByName("EXCEL");
                    foreach (System.Diagnostics.Process p in killprocess)
                    {
                       p.Kill();
                    }
                }

        }