Dim myexcel As New Excel.Application()
Dim mybook As Excel.Workbook
Dim mysheet As Excel.Worksheet
mybook = myexcel.Workbooks.Add("ExcelFilename")
mysheet = mybook.Worksheets("sheet1")
mysheet.Activate()
mysheet.Range("A1").Select()
DataGridView.SelectAll()
Dim t As New System.Windows.Forms.DataObject
t = dv.GetClipboardContent()
System.Windows.Forms.Clipboard.SetDataObject(t)
mysheet.PasteSpecial(Format:="文本", Link:=False, DisplayAsIcon:=False)